Patent
Suchergebnisse für: COUNTER
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Patent:CA692621
18.08.1964 Ross H. Cantley
: Line counter for adding machine print or the like [28.70%]
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Patent:CH447672
30.11.1967 : Rechenmaschine [15.19%]
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Patent:CH479122
30.09.1969 Fuan, Jacques (P), Kaiser, Josef (P) : Appareil électronique pour calculer le taux de variation dune grandeur et utilisation de cet appareil [28.03%]
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Patent:CH517982
15.01.1972 Thevis-Eigelshofen, Karola (P) Schildkroet (P) : Lern- und Spielgeraet zum Rechnen [6.49%]
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Patent:CH530676
15.11.1972 Clark, John C. (P), Kuijsten, Han (P), Schaer, Werner (P) : Machine à calculer. [21.59%]
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Patent:GB1001096
11.08.1965 Max, Jacques (P) und Chevalier, Henri (P) Commissariat Energie Atomique : Apparatus for calculating automatically correlation factors and functions [15.45%]
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Patent:GB100279
09.11.1916 Johanson, Gustaf Emanuel (P) : Improvements relating to Registering or Counting Apparatus for Machines [17.64%]
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Patent:GB100542
24.05.1917 Jaeger, Edmond (P) : Improvements in Speed Indicating Apparatus. [16.33%]
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Patent:GB100570
01.06.1916 Haddan, Alfred John Henry (P) NCR (P) : Improvements in and relating to Means for Feeding Record Material in Recording, Registering and the like Machines [6.24%]
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Patent:GB1007374
13.10.1965 Richter Karl, Richter Manfred Buchungsmaschinenwerk Veb : An electronic store adapted to receive sub-products from calculating [15.08%]
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Patent:GB101013
18.01.1917 Soc. Chateau Freres (P) et Cie : Improvements in Calculating Machines [22.46%]
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Patent:GB102013
09.11.1916 Mustart, John William Simpson (P) und Mackenzie, Munro (P) : Improved Gear for Giving Motion to Indicators [5.91%]
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Patent:GB102062
12.04.1917 Jaeger, Edmond (P) : Improvements in or relating to Revolution Counter Apparatus. [32.74%]
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Patent:GB102480
03.05.1917 Skerl, Francesco (P) NCR (P) : Improvements in Value and Number Totalizing Apparatus for Ticket Issuing Machines. [21.04%]
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Patent:GB1029011
11.05.1966 Contraves AG : Improvements in and relating to increment adding means [7.00%]
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Patent:GB1029953
18.05.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [25.20%]
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Patent:GB1029956
18.05.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [20.09%]
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Patent:GB1029959
18.05.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [13.38%]
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Patent:GB1031235
02.06.1966 Wyle, Lab Inc (P) : Calculator apparatus [15.41%]
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Patent:GB103517
29.01.1917 Lea James Edward (P) : Improvements in Means for Registering and (or) Recording the Amount of Feed of Granular or like substances [22.80%]
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Patent:GB1036947
20.07.1966 Kienzle (P) Apparate GmbH : Indicating device for counting and/or calculating apparatus [18.45%]
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Patent:GB1042788
14.09.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [16.24%]
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Patent:GB1042789
14.09.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [28.21%]
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Patent:GB1055297
18.01.1967 Olympia (P) Werke AG : Improvements in or relating to calculating and accounting machines [15.68%]
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Patent:GB105969
03.05.1917 NCR (P) : Improvements in Cash or Sales Registering and Recording Machines. [6.29%]
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Patent:GB109067
27.08.1917 Lea James Edward (P) : Improvements in Apparatus for Registering the Amount of Fuel Fed into a Boiler Furnace or the like [41.70%]
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Patent:GB1090761
15.11.1967 Friden (P) : Calculator [30.19%]
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Patent:GB1093132
29.11.1967 Aquitaine Petrole : Accumulative flow calculator [29.14%]
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Patent:GB1105695
13.03.1968 Computron, Corp : Calculating machine [6.80%]
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Patent:GB1110070
18.04.1968 List, Hans (P) : Apparatus for calculating the integrals of time-dependent functions [20.75%]
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Patent:GB112145
28.12.1917 Flavell, Leo Edward (P) und Priest, Clarence Sidney (P) : Improvements in Totalizing Apparatus. [12.36%]
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Patent:GB1124623
21.08.1968 Fripp, Alan (P) und Drage, James John (P) : Improvements in or relating to calculating machines [17.24%]
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Patent:GB112577
17.01.1918 Boyd, Archibald Edward (P) : An Improved Automatic Counter. [14.36%]
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Patent:GB112920
23.01.1918 Hucks, William (P) : Improvements in connection with Apparatus for Aerating or Charging Gas [16.67%]
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Patent:GB113178
14.02.1918 Cowey, Leonard Eugene (P) : Improvements in or relating to Distance Registers or Odometers. [18.66%]
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Patent:GB115029
11.04.1918 Blaustein, Joseph (P) : Improvements in Calculating Machines [3.42%]
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Patent:GB115090
25.04.1918 Baltisser, Jacob (P) : Improvements in or relating to Calculating Machines, especially Devised for Computations relating to Geodetic Measurements [16.54%]
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Patent:GB115093
26.04.1918 Higgins, Albert (P) und Cattle, Percy Stanley (P) : Apparatus for Registering the Variable Movements of Parts of Weighing [34.28%]
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Patent:GB118396
29.08.1918 Visconti-Prasca, Giulio (P) : Improvements in Computing Apparatus. [6.31%]
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Patent:GB118455
29.08.1918 Hollerith, Hermann (P) : Improvements relating to Tabulating Machines. [15.91%]
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Patent:GB118982
19.09.1918 Ridderstad, Carl Fredrik Gustaf (P) : Improvements in or relating to Apparatus for Indicating the Length of the outrunning wire of fishing Smacks [15.58%]
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Patent:GB119041
11.09.1917 Compteurs De Voitures Taximetres : Improvements in Revolution Counters or Mileage Registers. [16.11%]
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Patent:GB120999
05.12.1918 Fawssett, Evelyn (P) : Improvements in or relating to Electrical Instruments of the Recording [17.08%]
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Patent:GB122884
04.02.1919 Maunde-Thompson, Francis George (P) : Improvements in Counters Applicable for Gravity Runways and similar [26.08%]
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Patent:GB123390
20.02.1919 Burdick, Charles Laurence (P) und Parnham, John Benjamin (P) : Improvements in Coin Actuated Machines. [16.09%]
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Patent:GB126090
08.05.1919 Isaki, Fukutaro (P) Nihon Suitoki Kabushiki Kaisha : Improvements in and relating to Transfer or Carrying-over Mechanism [6.54%]
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Patent:GB127237
22.07.1919 Fuller, Frederick (P) NCR (P) : Improvements in Cash Registers or the like. [17.10%]
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Patent:GB127314
05.06.1919 Brillie Freres Sa Des Atel : Improved Apparatus for Regulating the Aiming of Guns at Aerial Targets [15.83%]
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Patent:GB128045
19.06.1919 Andersson, Wictor Oskar Julius (P) : Improvements in Calculating Machines of the Cam-disc and Pin-wheel Type [11.75%]
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Patent:GB128062
19.06.1919 Andersson, Wictor Oskar Julius (P) : Improvements in Calculating Machines of the Cam-disc and Pin-wheel Type [6.91%]
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Patent:GB128217
02.09.1920 Odhner, Valentin Jakob (P) : Improvements in or relating to Locking Devices in Calculating Machines of the Cam-disk and Pin-wheel Type [7.15%]
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Patent:GB128220
13.09.1920 Odhner, Valentin Jakob (P) : Improvements in or relating to Means for Shifting the Totalizing-counter Carriage in Calculating Machines of the Pin-wheel and Cam-disc Type [4.47%]
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Patent:GB128563
22.04.1920 Svensson, Eric Elias (P) : Improvements in Detent Mechanism for Calculating Machines [22.24%]
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Patent:GB128565
16.09.1920 Ford, Hannibal (P) : Improvements in or relating to Calculating Instruments for use in Gunnery [6.32%]
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Patent:GB129153
10.07.1919 Andersson, Wictor Oskar Julius (P) : Improvements in Calculating Machines of the Pin-wheel and Cam-disc Type [27.84%]
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Patent:GB130123
17.07.1919 Haddan, Alfred John Henry (P) : Improvements in Coin Controlled Machines for Issuing Tickets and the like [13.46%]
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Patent:GB131222
13.12.1918 Courty, R. : Odometer [12.87%]
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Patent:GB131277
16.08.1918 Lake, C. D. Tabulating Machine Co. : Statistical Machines [33.23%]
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Patent:GB133314
22.12.1916 Sperry, L. B. Sperry Gyroscope Co. : Counting Apparatus, Stop Mechanism [27.10%]
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Patent:GB138097
20.01.1919 Odhner (P) Aktiebolaget : Multiplying and Dividing Apparatus [16.21%]
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Patent:GB138959
13.01.1919 Gardiner, F. T. : Counting Apparatus [6.17%]
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Patent:GB139576
11.02.1919 Vermehren, J : Multiplying and Dividing Apparatus [17.06%]
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Patent:GB142114
21.04.1921 Altschuler, J. Kodak (P) Ltd : Improvements in or relating to apparatus for numbering kinematograph films [42.13%]
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Patent:GB143559
23.12.1920 Trinks, Franz (P) : Improvements in or relating to calculating machines [17.59%]
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Patent:GB143884
28.05.1919 Trinks, Franz (P) : Multiplying and Dividing Apparatus [19.69%]
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Patent:GB144161
10.06.1920 Pollen, Arthur Hungerford (P) und Landstad, Halvor Folkestad (P) : Improvements in and relating to indicators for distance travelled foruse in aircraft [5.69%]
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Patent:GB145509
19.08.1918 Optische Anstalt Goerz (P) AG : Transfer Mechanism [16.07%]
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Patent:GB145934
08.07.1920 Fitzsimons, Ricardo Robert (P) Swaine, Walter Cecil Trevor (P) : Improvements in and relating to counting apparatus for marine engines [26.58%]
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Patent:GB146790
10.04.1919 Mays, James Francis (P) : Improvements in overthrow-preventing mechanism for calculating apparatus [16.81%]
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Patent:GB146792
10.04.1919 Mays, James Francis (P) : Improvements in calculating apparatus for performing the operation of division [17.82%]
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Patent:GB146884
02.06.1921 Trinks, Franz (P) : Multiplying and Dividing Apparatus [30.54%]
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Patent:GB146893
15.10.1918 Optische-Anstalt C. P.Goerz (P) Akt.-Ges. : Printing Totals and Sub Totals [35.70%]
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Patent:GB147112
06.10.1921 Trinks, Franz (P) : Improvements in calculating machines [28.65%]
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Patent:GB147115
12.05.1921 Trinks, Franz (P) : Improvements in calculating machines [15.36%]
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Patent:GB147477
08.12.1921 Reisser, Alexander (P) : Multiplying and Dividing Apparatus [28.33%]
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Patent:GB147762
04.08.1921 Grimme Natalis (P) : Improvements in or relating to calculating machines [17.05%]
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Patent:GB147835
10.10.1921 Grimme Natalis (P) : Improvements in or relating to calculating machines [16.24%]
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Patent:GB147883
10.10.1921 Moire, Paul (P) : Improvements in and relating to counting apparatus [40.44%]
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Patent:GB148376
10.10.1921 Brasseur, E. J. A.B. Dick Company : Apparatus for counting the number of sheets passing into a rotary duplicator or like printing machine [26.54%]
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Patent:GB149505
19.08.1920 Ahern, Albert Michael (P) : Improvements in and relating to means for feeding and counting sheets [13.72%]
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Patent:GB149848
11.09.1919 Laupitz, Robert (P) : Adding and Subtracting Apparatus [16.37%]
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Patent:GB151058
07.09.1920 Burdick, Charles Laurence (P) : Improvements in coin counting and packeting machines [16.42%]
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Patent:GB152174
14.10.1920 Avery, W; Avery, T; Burrows, J Avery Ltd W & T Jesse Josiah Burrows : Improvements in counting mechanism particularly applicable for use in combination with automatic weighing scales [22.90%]
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Patent:GB152390
04.10.1920 Barker, John Paul (P) : Improvements in ticket punches. [16.00%]
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Patent:GB156715
07.01.1921 Rechnitzer, Alexander (P) Autarit (P) GMBH : Calculating-machine [17.54%]
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Patent:GB169178
09.01.1922 Reisser, Alexander (P) : Improvements in the transfer mechanism of calculating machines [26.44%]
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Patent:GB183127
16.08.1923 Maschinenbau Fritz Koch Bing (P) Werke : Improvements in or connecting with calculating machines [27.75%]
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Patent:GB185075
28.08.1922 NCR (P) : Improvements in totalizing-counter selecting and actuating mechanism for calculating machines [17.29%]
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Patent:GB190414716
04.05.1905 Wolodarsky, Hirsh (P) : An Improved Counting Frame or Apparatus [18.43%]
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Patent:GB190414979
25.08.1904 Pike, William Henry (P) : Improvements in Calculating Mechanism applicable to Typewriting Machines and the like [32.32%]
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Patent:GB190422824
15.12.1904 Ensign, Emory (P) : Improvements in Calculating Machines [35.50%]
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Patent:GB190514115
07.07.1906 Wales, Charles (P) : Improvements in and relating to Adding Machines [27.65%]
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Patent:GB190514116
14.06.1906 Wales, Charles (P) : Improvements in and relating to Adding Machines [18.62%]
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Patent:GB190516651
16.10.1906 Bundy Manufacturing (P) Comp. : Improvements relating to Adding Machines [28.05%]
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Patent:GB190517640
15.02.1906 Kaiser, Gabriel (P) : Improvements in and relating to Adding Machines [17.14%]
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Patent:GB190518341
05.07.1906 Laganke, Charles Frederick und Smith, John Asbury Elliott-Fisher (P) : Combined Typewriting and Adding Machine [15.93%]
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Patent:GB190521743
01.03.1906 Trinks, Franz (P) : Improvements in Calculating Machines for English Currency [28.22%]
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Patent:GB190608000
28.03.1907 Goldberg, Hyman Eli (P) : Calculating Machines [30.45%]
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Patent:GB190612370
28.02.1907 Janik, Eduard (P) : Improvements in Calculating Machines [16.86%]
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Patent:GB190615532
25.04.1907 Rinsche, Frank Charles (P) : Improvements in Calculating Machines [17.34%]
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Patent:GB190620728
12.09.1907 Burroughs (P) : Improvements in or relating to Adding or Calculating Machines [17.60%]
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Patent:GB190623173
19.09.1907 Salcher, Alois (P) : Improvements in and relating to a Calculating Machine [16.32%]
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Patent:GB190703764
14.11.1907 Gorin, Frederick Proctor (P) : Calculating Machine [17.63%]
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Patent:GB190705206
23.01.1908 John Asbury Smith Elliott Fisher (P) : Calculating Attachments for Typewriting Machines [19.66%]
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Patent:GB190707018
23.03.1908 Leder, Ernst (P) : A New or Improved Calculator [30.16%]
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Patent:GB190711696
18.05.1908 Wahl, John C. (P) : Improvements relating to Calculating Attachments for Typewriters [18.42%]
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Patent:GB190711999
23.01.1908 Trinks, Franz (P) : Improvements in Calculating Machines [27.94%]
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Patent:GB190716997
28.05.1908 Hoskins, Benjamin (P) : Improvements in Calculating and Number Listing Machines [16.14%]
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Patent:GB190718516
31.07.1908 Burroughs (P) : Improvements in or relating to Calculating Machines [20.09%]
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Patent:GB190719094
17.09.1908 McFarland, Charles Numan (P) : Improvements in or relating to Adding Machines [35.34%]
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Patent:GB190720725
18.09.1908 Gledhill, Arthur Henry (P) : Improvements in the Transfer Mechanism of Cash Registers Adding Machines and the like [16.97%]
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Patent:GB190721573
28.05.1908 Sefton-Jones, Herbert (P) Adder Machine Company : Improvements in and relating to Adding Machines [30.74%]
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Patent:GB190723343
22.10.1908 Riedl, Camillo (P) : An Improved Calculating Machine [16.12%]
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Patent:GB190723623
16.07.1908 Justice Philip Middleton : Improvements in Item Counters for Calculating Machines [15.54%]
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Patent:GB190725219
12.11.1908 Ensign, Emory (P) : Improvements in Calculating Machines [29.24%]
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Patent:GB190727481
14.05.1908 Trinks, Franz (P) : Improvements in Calculating Machines [30.17%]
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Patent:GB190728308
24.12.1908 Blum, Max (P) : Improvements in Combined Adding and Recording Machines [34.37%]
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Patent:GB190810232
17.12.1908 Adder Machine Company : Improvements in and relating to Adding Machines [16.42%]
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Patent:GB190810665
01.10.1908 Duplex Adding Machine Comp. : Improvements in Adding Machines and the like [27.80%]
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Patent:GB190816374
17.12.1908 Tourtel, John Mesny (P) : Improved Adding Machine [19.50%]
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Patent:GB190823895
11.02.1909 Trinks, Franz (P) : Improvements in Calculating Machines [18.17%]
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Patent:GB190826763
09.12.1909 Walter Henry Browning British Adding Machine : Improvements in Apparatus for Adding or Calculating [15.87%]
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Patent:GB190905387
06.06.1910 Felt, Dorr E. (P) : Improvements in Calculating Machines [18.35%]
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Patent:GB190909509
21.04.1910 Felt, Dorr E. (P) : Improvements relating to Calculating Machines [18.90%]
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Patent:GB190913100
02.06.1910 Daniel Lawrence Milton und Daniel Robert Milton : Improvements in and relating to Adding Machine Attachments for Typewriters [15.53%]
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Patent:GB190915409
30.09.1909 Vuillemin, Jules (P) : An Improved Method of, and Means for, Totalizing and Calculating [16.69%]
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Patent:GB190922464
29.09.1910 White, Nelson (P) und Vincent, Jesse Gurney (P) : Improvements in or relating to Adding and Listing Machines [17.18%]
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Patent:GB191001622
13.10.1910 Felt, Dorr E. (P) : Calculating Machine [19.49%]
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Patent:GB191017471
05.09.1910 Burnett, Arthur John Herbert (P) : Improvements in and relating to Calculating Machines [17.59%]
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Patent:GB191030391
14.12.1911 Barrett, Glenn (P) J. : Improvements in Calculating Machines [16.49%]
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Patent:GB191116077
11.07.1912 Burroughs (P) : Improvements in or relating to Adding and Listing Machines [16.42%]
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Patent:GB191125068
11.11.1912 Burroughs (P) : Improvements in or relating to Adding and Listing Machines [17.38%]
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Patent:GB191128365
29.08.1912 Schaller, Carl (P), Trinks, Franz (P) : Improvements in Calculating Machines [27.33%]
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Patent:GB191129217
18.07.1912 Trinks, Franz (P) : Improvements in Calculating Machines [8.75%]
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Patent:GB191129373
28.11.1912 Burroughs (P) : Improvements in or relating to Adding and Listing or like Machines [17.44%]
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Patent:GB191200001
01.08.1912 Burroughs (P) : Improvements in or relating to Adding and Listing Machines [36.51%]
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Patent:GB191204680
19.07.1912 McCaskey Electric Calculator Co. (P) : Improvements in Calculating and like Machines [16.40%]
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Patent:GB191208368
17.10.1912 Acrey, Charles Marien (P), Acrey, Washington Bronar (P), Acrey, Benjamin Lee (P) : Improvements in or relating to Tax and Interest Calculating Machines [27.09%]
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Patent:GB191211598
07.11.1912 Buchert, Adolf (P) : Improvements in Calculating Apparatus for Teaching Arithmetic [15.14%]
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Patent:GB191217368
24.07.1913 Newton, George Tuurlow (P), Nicholls, Ernest Cliffe (P) : Improvements in or relating to the Adding and Subracting Mechanism Fitted to Typewriters [17.09%]
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Patent:GB191219276
17.04.1913 Greve, John E. (P) Wanderer (P) Werke : Improvements in Devices for Controlling the Engagement and Disengagement of the Counting Mechanism with the Actuating Segments of Adding a [18.15%]
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Patent:GB191219506
20.02.1913 Matjeka, Otto Rudolf (P) : Improvements relating to Calculating Machines [11.85%]
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Patent:GB191227231
20.11.1913 Baldwin, Frank Stephen (P) : Improvements in Calculating Machines [17.59%]
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Patent:GB191229020
16.10.1913 Trinks, Franz (P) : Improvements in Setting Mechanism for Calculating Machines [15.95%]
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Patent:GB191315291
11.08.1913 Bannehr, Leonard William (P) und Watson, George (P) Dolton : Improvements in or relating to the Totalising Devices and Carrying Over Mechanism of Calculating and like Machines [16.36%]
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Patent:GB191316146
11.06.1914 Huber, Hans (P) : Improvements in or relating to Tens-carrying Mechanism in Adding Machines [15.60%]
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Patent:GB191317890
05.08.1913 Montessori, Maria (P) : Abacuses [10.75%]
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Patent:GB191319815
10.06.1915 Trinks, Franz (P) : Improvements in Calculating Machines having Revolutions Counting Mechanisms [16.89%]
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Patent:GB191323575
24.06.1915 Bunzel Delton (P) Werk : Improvements in Calculating Machines [32.79%]
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Patent:GB191325754
08.07.1915 Trinks, Franz (P) : A Tens Transfer Mechanism for the Counting Mechanisms of Calculating and like Machines [15.83%]
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Patent:GB191328399
09.12.1914 Gatewood, William Fleming (P) und Mcadams, John Dougherty (P) : Calculating Machine [16.35%]
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Patent:GB191400037
22.07.1915 Trinks, Franz (P) : Improvements in Calculating Machines [27.89%]
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Patent:GB191400869
15.07.1915 Wanderer (P) Werke vormals Winklhofer : Improvements in and relating to Calculating Machines [25.80%]
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Patent:GB191401326
29.07.1915 Rasmussen, Carl (P) : Improvements in and relating to Calculating Machines [15.68%]
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Patent:GB191403601
28.05.1914 Hall, Charles Gilbert (P) : Improvements in or relating to Transfer Mechanism for Cash Registers and other Mechanical Adding Machines [25.47%]
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Patent:GB191407963
24.06.1915 Trinks, Franz (P) : Improvements in Transfer Mechanism for Calculating and like Machines [17.30%]
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Patent:GB191505674
17.07.1916 Bramston, Maurice Alfred (P) und Barr, Mark (P) und Bell, Robert Arthur (P) : An Improved Adding and Subtracting Machine [15.63%]
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Patent:GB191512460
30.08.1916 Addometer Corporation (P) : Improvements in and relating to the Carrying or Transfer Mechanism of Calculating Machines [29.18%]
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Patent:GB191512527
02.10.1916 Burroughs (P) Adding Machine Comp. : Improvements in or relating to Adding or like Machines [16.40%]
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Patent:GB199783
25.06.1923 Odhner, Valentin Jakob (P) : Improvements in or relating to calculating machines [9.36%]
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Patent:GB203236
06.09.1923 James Mark Mcginnis Barr : Improvements in calculating machines [18.62%]
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Patent:GB203351
03.09.1923 James Mark Mcginnis Barr : Improvements in connection with the key-boards of calculating machines [29.72%]
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Patent:GB210468
01.02.1924 James Mark Mcginnis Barr : Improvements in calculating machines [16.60%]
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Patent:GB211089
07.02.1924 Odhner, Valentin Jakob (P) : Improvements in transfer mechanisms for calculating machines [6.64%]
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Patent:GB212207
04.03.1924 Friden, Carl Mauritz Fredrick (P) : Improvements in and relating to the lateral shift mechanism for the totalizing counter carriage of calculating machines [26.45%]
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Patent:GB213553
04.09.1924 : [20.98%]
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Patent:GB214142
17.04.1924 Lyadoff, Peter (P) : Improvements in or relating to calculating apparatus [12.85%]
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Patent:GB214571
10.11.1924 British Tabulating (P) Mach Co Ltd : Improvements in or relating to counters for record+card+controlled [16.40%]
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Patent:GB216143
14.08.1925 Cair Dennison Lake British Tabulating (P) Machine Comp. Ltd. : Improvements in or relating to counter-resetting mechanism [26.98%]
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Patent:GB217203
07.05.1925 Carl Lindstroem Ag : Improvements in and relating to printing mechanism for calculating machines [28.79%]
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Patent:GB218705
09.07.1924 Perpete, Georges Victor Lambert (P), Puttemans, Hubert Auguste (P) : Improvements in or relating to adding machines [19.24%]
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Patent:GB231093
26.03.1925 Rosenthal, Louis (P) & Messlang, Otto (P) : Interlocking mechanism for calculating machines of the pin-wheel and cam-disc type [16.32%]
-
Patent:GB232192
28.05.1925 Trinks, Franz (P) : Improvements in calculating machines [27.55%]
-
Patent:GB232254
08.04.1926 Trinks, Franz (P) : Improvements in calculating machines [27.29%]
-
Patent:GB232566
01.10.1925 Trinks, Franz (P) : Improvements relating to counters in calculating machines [9.02%]
-
Patent:GB232577
25.03.1926 Grimme Natalis (P) : Improvements in tens transfer devices for calculating machines of the pin wheel and cam disc type [13.18%]
-
Patent:GB234672
04.06.1925 Elliott Fisher (P) : Clear signal mechanism for writing adding machines [16.85%]
-
Patent:GB2353514
28.02.2001 Spaeth Helmut, Abel Peter, Conradt Neithard Liebherr Werk Ehingen : Calculating crane loading [19.57%]
-
Patent:GB253968
28.06.1926 Goffin, Sydney Frederick Herbert (P) : Improvements in and relating to adding machines [15.63%]
-
Patent:GB270343
20.05.1927 Reisser, Alexander (P) Reder, Rudolf (P) : An Improved Calculating Machine [21.38%]
-
Patent:GB288580
04.07.1929 Goldberg, Emanuel (P) Zeiss Ikon Ag : Improvements in or relating to adding, sorting, statistical and like machines [15.97%]
-
Patent:GB303483
03.07.1930 Siemens (P) : Improvements in or relating to calculating machines [29.28%]
-
Patent:GB303775
08.01.1929 Percy Herbert : Improvements in or relating to calculating machines [16.03%]
-
Patent:GB305579
07.02.1928 Herzstark, Samuel (P) : Adding and subtracting apparatus [27.19%]
-
Patent:GB308768
22.05.1930 Marcel Jacob : Improvements in or relating to record controlled calculating machines [15.81%]
-
Patent:GB343323
19.02.1931 Hugo Jung : Improvements in and relating to beads or counters for abacuses [27.08%]
-
Patent:GB344919
09.03.1931 Siemens (P) : Improvements relating to calculating machines, especially statistical machines, controlled by perforated code cards [26.58%]
-
Patent:GB347938
05.06.1930 Brunsviga (P) : Zeroizing-mechanism [16.76%]
-
Patent:GB363246
17.12.1931 Krupp (P) AG : Improvements in and relating to timing-control arrangements for the sub-operations cash registers and calculating machines [6.65%]
-
Patent:GB363470
06.11.1929 Avery, Harold (P) Marchant (P) : Calculating Machines [16.11%]
-
Patent:GB380756
29.04.1932 Brunsviga (P) : Improvements in and relating to Calculating Machines [16.94%]
-
Patent:GB392207
15.05.1933 Marie Emile Alfred Baule : Improvements in rheostats for use in electric calculating apparatus [17.20%]
-
Patent:GB400947
02.11.1933 Ohmoto, Torajiro (P) Tiger : Improvements in actuating devices for the multiplier register of a calculating machine [18.13%]
-
Patent:GB409006
23.04.1934 Robert Joseph Brooks Keig Linen Ind Res Ass : Improvements in calculating apparatus for calculations relating to statistics [26.20%]
-
Patent:GB410129
09.05.1934 Valtat, Raymond Louis Andre (P) : Improvements in or retlating to Calculating and like Apparatus [16.62%]
-
Patent:GB417632
09.10.1934 Adrema Maschinenbau : Improvements in and relating to address-printing machines [16.19%]
-
Patent:GB428391
13.05.1935 British Tabulating (P) Mach Co Ltd : Improvements in or relating to statistical, calculating or like machines [27.38%]
-
Patent:GB429605
04.06.1935 British Tabulating (P) Mach Co Ltd : Improvements in or relating to statistical calculating and like apparatus [36.37%]
-
Patent:GB431623
27.12.1934 Facit (P) : Improvements in Multiplying Machines [29.28%]
-
Patent:GB431627
01.02.1935 Facit (P) : Improvements in or relating to Multiplying Machines [27.71%]
-
Patent:GB446179
24.04.1936 British Tabulating (P) Mach Co Ltd : Improvements in or relating to counters or registers [19.66%]
-
Patent:GB450599
18.12.1934 Marchant (P) : Calculating Machine [16.59%]
-
Patent:GB454248
28.09.1936 Campbell, Charles (P) British Tabulating (P) Mach Co Ltd : Improvements in or relating to calculating mechanism [32.70%]
-
Patent:GB454249
28.09.1936 Campbell, Charles (P) British Tabulating (P) Mach Co Ltd : Improvements in or relating to calculating machines [16.02%]
-
Patent:GB454250
28.09.1936 Campbell, Charles (P) British Tabulating (P) Mach Co Ltd : Improvements in or relating to counters for calculating machines [26.80%]
-
Patent:GB454938
08.04.1935 Maier, Lorenz (P) Astra (P) : Improvements in and relating to Calculating Machines [35.92%]
-
Patent:GB480112
17.02.1938 Arthur Joseph Hughes Henry Hughes And Son Ltd : Improvements in calculating mechanism for measuring instruments [34.88%]
-
Patent:GB483021
11.04.1938 British Tabulating (P) Mach Co Ltd : Improvements in or relating to counters for tabulating and other calculating machines [36.99%]
-
Patent:GB483234
11.04.1938 Arthur Thomas : Improvements in or relating to calculating machines [35.44%]
-
Patent:GB485103
13.05.1938 British Tabulating (P) Mach Co Ltd : Improvements in or relating to counters for tabulating and other calculating machines [32.52%]
-
Patent:GB493842
12.10.1938 Remington Rand (P) Inc : Improvements in or relating to calculating machines [26.52%]
-
Patent:GB494522
26.10.1938 Remington Rand (P) Inc : Improvements in or relating to record card controlled calculating machines [25.48%]
-
Patent:GB509045
10.07.1939 W L Maxson Corp : Improvements in calculating apparatus [27.39%]
-
Patent:GB514181
01.11.1939 Frederic Victor British Tabulating (P) Mach Co Ltd : Improvements in or relating to calculating machines [31.63%]
-
Patent:GB519843
08.04.1940 British Tabulating (P) Mach Co Ltd : Improvements in or relating to counters [44.50%]
-
Patent:GB519898
09.04.1940 British Tabulating (P) Mach Co Ltd : Improvements in or relating to counters and registers [16.05%]
-
Patent:GB520291
19.04.1940 Louis Manuel Llorens : Improvement in computing machine [6.05%]
-
Patent:GB522630
24.06.1940 Edgar Moffat Elwell : Improvements in or relating to indicating apparatus for scoring games [15.68%]
-
Patent:GB525955
09.09.1940 Addressograph Multigraph : Improvements in or relating to record card controlled computing [16.00%]
-
Patent:GB533586
17.02.1941 Harold Hall Keen British Tabulating (P) Mach Co Ltd : Improvements in or relating to adding and subtracting mechanisms [26.07%]
-
Patent:GB551707
05.03.1943 Felt und Tarrant (P) : Improvements in or relating to numeral wheels or the like [17.17%]
-
Patent:GB558787
20.01.1944 W L Maxson Corp : Variable ratio gearing [15.71%]
-
Patent:GB566942
21.10.1942 Broido, Daniel (P) : Calculating - apparatus [15.90%]
-
Patent:GB575100
30.11.1942 Facit (P) : Calculating machines [26.04%]
-
Patent:GB575324
10.12.1943 Broido, Daniel (P) : Calculating apparatus [15.73%]
-
Patent:GB591930
02.09.1947 John St Leger Philpot, Roger William Lee, Harold : Improvements in or relating to navigational instruments [20.42%]
-
Patent:GB593730
23.10.1947 NCR (P) : Improvements in or relating to calculating apparatus [16.16%]
-
Patent:GB601146
28.04.1948 NCR (P) : Improvements in or relating to calculating apparatus [31.07%]
-
Patent:GB656185
31.12.1947 Herzstark, Curt (P) : Calculating Apparatus [29.29%]
-
Patent:GB665612
30.01.1952 British Tabulating (P) Mach Co Ltd : Improvements in or relating to calculating machines [29.14%]
-
Patent:GB672288
21.05.1952 Sodeco (P), Societe des Compteurs de Geneve : An improved drum counter for apparatus indicating telephone charges [27.25%]
-
Patent:GB674952
02.07.1952 David Thomas Davis British Tabulating (P) Mach Co Ltd : Improvements in and relating to calculating apparatus [27.15%]
-
Patent:GB683765
03.12.1952 David Thomas Davis British Tabulating (P) Mach Co Ltd : Improvements in and relating to calculating apparatus [31.77%]
-
Patent:GB693909
08.07.1953 Rey, Thomas Julius (P) und Spencer, Rolf Edmund (P) Emi Ltd : Improvements relating to electrical apparatus for adding numbers and registering thetotal [14.97%]
-
Patent:GB706436
31.03.1954 Electronique and Automatisme Sa : Improvements in electric adding devices [15.76%]
-
Patent:GB707804
04.05.1919 Ateliers Vaucanson (P) : [34.56%]
-
Patent:GB717432
27.10.1954 Altenburger, Ernst (P), Hirt, Otto (P), Westinger, Karl (P) : Calculating machine for the four arithmetical operations (addition, subtraction, multiplication and division) [16.59%]
-
Patent:GB753170
18.07.1956 NCR (P) : Paper feeding equipment for accounting or similar calculating machines [16.23%]
-
Patent:GB760883
07.11.1956 Atvidaberg Facit (P) Ab : Improvements in calculating machines [16.27%]
-
Patent:GB770034
13.03.1957 Elphick, George Stanley (P) Cinema Television Ltd : Improvements in or relating to electrical calculating apparatus [24.71%]
-
Patent:GB777440
19.06.1957 IBM (P) : Tabulating and calculating machine [18.01%]
-
Patent:GB817597
06.08.1959 Standard Telephones Cables Ltd : Calculating means [45.31%]
-
Patent:GB830979
23.03.1960 Gen Electric Co Ltd : Improvements in or relating to electrical adding circuits [39.27%]
-
Patent:GB840018
06.07.1960 C Olivetti (P) and C Societa Per Azi : Driving device for hand-operated adding and like business machines [16.26%]
-
Patent:GB844894
17.08.1960 Westinghouse, Electric Corp (P) : Improvements in or relating to electrical calculator apparatus [16.14%]
-
Patent:GB852182
26.10.1960 Gerhard Dirks : Cyclically operable electrical calculating apparatus [34.62%]
-
Patent:GB862338
08.03.1961 Kienzle (P) Apparate GmbH : Electric calculating apparatus [17.25%]
-
Patent:GB914330
02.01.1963 Philips Electrical Ind Ltd : Improvements in or relating to decimal-point indicators for calculating machines [16.38%]
-
Patent:GB925164
01.05.1963 Kitz, Norbert (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [19.40%]
-
Patent:GB925309
08.05.1963 Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [19.43%]
-
Patent:GB942219
20.11.1963 Clark, Gordon Albert (P) Mullard Ltd : Improvements in or relating to digital electrical calculating apparatus [33.47%]
-
Patent:GB956057
22.04.1964 Marcel Levy Lebar : Mechanical and electronic calculator [25.93%]
-
Patent:GB981717
27.01.1965 Henri Boutillon Boutillon S A Ets : Improved indicating and calculating apparatus [16.59%]
-
Patent:GB993934
02.06.1965 IBM (P) : Improvements relating to punched-card-operated calculating machines [21.22%]
-
Patent:US1007350
31.10.1911 W. H. Goodin : Adding and Registering Device [15.10%]
-
Patent:US1011073
05.12.1911 Moe, Adolf Thorwald (P) Knudsen & Bommen, Addo Norwegen (P) : Calculating Machine [4.35%]
-
Patent:US1016276
06.02.1912 Kilpatrick, William J. (P) : Adding and Listing Machine [6.77%]
-
Patent:US1024071
23.04.1912 G. W. Goss : Tax Calculating Device [11.05%]
-
Patent:US1028135
04.06.1912 Rein, Robert (P) : Calculating Machine [17.50%]
-
Patent:US1030304
25.06.1912 Hollerith, Hermann (P) : Registering Apparatus [9.27%]
-
Patent:US1049929
07.01.1913 F. L. H. Sims : Key Operated Mechanism for Actuating, Recording, or Indicating Apparatus [12.19%]
-
Patent:US1058148
08.04.1913 W. S. Buvinger : Calculating Instrument [3.58%]
-
Patent:US1069271
05.08.1913 W. W. Lillard : Marking Tally [21.52%]
-
Patent:US1072500
09.09.1913 H. Richardson : Automatic Traveling Load Scale [12.66%]
-
Patent:US1075124
07.10.1913 J. A. Scheibli : Slide Disk Calculator [4.14%]
-
Patent:US1083991
13.01.1914 F. N. Connet : Indicating, Integrating, and Recording Manometer [11.42%]
-
Patent:US1087135
17.02.1914 G. M. Nell : Adding Machine [3.48%]
-
Patent:US1103923
14.07.1914 F. N. Connet : Speed Changing Device [4.20%]
-
Patent:US1108119
25.08.1914 Barrett, Glenn (P) Barrett (P) Adding Machine Co. : Item-counter for calculating-machines [25.76%]
-
Patent:US1112388
29.09.1914 Foster J. Sibley Thos. C. Dunn : Computing counter-scale and cash-register [27.81%]
-
Patent:US1112459
06.10.1914 J. E. Lea : Meter or Measuring Instrument [11.27%]
-
Patent:US1119404
01.12.1914 Cordt, Hugo (P) : Regulating Device for the Keys of Calculating Machines [14.22%]
-
Patent:US1127677
09.02.1915 Rauchwetter, Franz (P) : Calculating Machine [12.72%]
-
Patent:US1137919
04.05.1915 Francesco Skerl NCR (P) : Multiple counter cash register [28.70%]
-
Patent:US1151956
31.08.1915 J. E. Lea : Apparatus for Measuring Granular or Powdered Materials [13.79%]
-
Patent:US1171535
15.02.1916 Edd Oliver : Mechanical Counter [29.01%]
-
Patent:US1183671
16.05.1916 C. W. Ripsch : Computing Device [14.78%]
-
Patent:US1186639
13.06.1916 D. R. Yarnall : Constant Speed Integrator [9.64%]
-
Patent:US1190701
11.07.1916 E. G. Bailey : Integrator [7.98%]
-
Patent:US1204729
14.11.1916 R. F. Arnott : Recording and Integrating Instrument [6.60%]
-
Patent:US1206059
28.11.1916 Wales, Charles (P) : Calculating Machine [4.34%]
-
Patent:US1209567
19.12.1916 A. R. Dodge : Flow Meter [6.73%]
-
Patent:US1218376
06.03.1917 J. R. Combs : Computing Machine [18.77%]
-
Patent:US1220029
20.03.1917 Trinks, Franz (P) : Calculating Instrument [4.32%]
-
Patent:US1232705
10.07.1917 Haakon A. Martin NCR (P) : multiple-counter cash-register [28.70%]
-
Patent:US1238809
04.09.1917 A. Pentecost : Calculating Machine [10.21%]
-
Patent:US1243224
16.10.1917 F. W. Rodolf : Adding and Subtracting Machine [16.33%]
-
Patent:US1243843
23.10.1917 J. W. Ledoux : Integrating Mechanism [6.33%]
-
Patent:US1244113
23.10.1917 F. L. Martindale : Recorder [9.73%]
-
Patent:US1260486
26.03.1918 M. Van Meter : Planimeter [5.93%]
-
Patent:US1264522
30.04.1918 E. G. Jay, Jr. : Registering and Recording Instrument for Meters [3.63%]
-
Patent:US1267043
21.05.1918 P. B. Arrington : Calculating Appliance [6.02%]
-
Patent:US1271927
09.07.1918 David L. Murchey : Game-counter [29.33%]
-
Patent:US1278994
17.09.1918 F. E. Pendleton : Variable Speed Power Transmission Device [9.22%]
-
Patent:US1282282
22.10.1918 A. Pentecost : Calculating Machine [3.18%]
-
Patent:US1293130
04.02.1919 J. E. Lea : Meter or Registrating Apparatus [16.92%]
-
Patent:US1317467
30.09.1919 Wahl, John C. (P) Wahl (P) Comp. : Automatic item-counter for calculating-machines [26.01%]
-
Patent:US1326504
30.12.1919 Horton, Allen (P) : Adding Machine [3.57%]
-
Patent:US1327044
06.01.1920 Mae Hosch Annie Measuregraph Company (P) : Calculating Apparatus [7.78%]
-
Patent:US1332210
02.03.1920 Ford, Hannibal (P) Ford Instr Co Inc : Calculating Instrument [4.13%]
-
Patent:US1339542
11.05.1920 Charles Birth, W F Mckinley Wales Adding Machine Company : Calculating Machine [9.57%]
-
Patent:US1349081
10.08.1920 Middleton Charles S : Interest Calculator [3.92%]
-
Patent:US1369145
22.02.1921 Thomas Edward G Toledo Scale Co : Price-calculating weighing-scale [6.61%]
-
Patent:US1372087
22.03.1921 F. A. Roddy : Apparatus for Illustrating and Demonstrating the Principles of Pure Arithmetic [4.28%]
-
Patent:US1385292
19.07.1921 J. E. Whitaker : Counter [12.23%]
-
Patent:US1400105
13.12.1921 Trinks, Franz (P) : Calculating Machine [4.04%]
-
Patent:US1400197
13.12.1921 Andrew C. Wood Stewart-Warner Speedometer Corp. : Revolution-counter resetting [27.81%]
-
Patent:US1415174
09.05.1922 Horton, Allen (P) : Adding Machine [3.64%]
-
Patent:US1426434
22.08.1922 Walter Williamson Crosby Steam Gage und Valve Company : Counter [27.81%]
-
Patent:US143184
23.09.1873 S. Pool : Adding Machine [5.62%]
-
Patent:US1448809
20.03.1923 William Moeller Wales Adding Machine Company : Calculating Machine [6.15%]
-
Patent:US1458141
12.06.1923 H. Meredith-Jones : Adding Machine [6.67%]
-
Patent:US1464683
14.08.1923 Nelson C. Ovaitt Payometer Comp. : Counter attachment for accounting machines [28.10%]
-
Patent:US1469932
09.10.1923 Arthur A. Adams Frank A. Emery : Counter [28.40%]
-
Patent:US1472590
30.10.1923 Ford, Hannibal (P) Ford Instr Co Inc : Calculating Instrument [13.18%]
-
Patent:US1482152
29.01.1924 T. W. Ross : Calculating Machine [17.45%]
-
Patent:US1482153
29.01.1924 T. W. Ross : Calculating Machine [13.17%]
-
Patent:US1482539
05.02.1924 Joseph H. Bair : Counter [29.65%]
-
Patent:US1484823
26.02.1924 Ford, Hannibal (P) : Calculating Instrument [6.41%]
-
Patent:US1486983
18.03.1924 Donald McDonald : Game counter [29.33%]
-
Patent:US1487069
18.03.1924 J. L. Landenberger : Adding Machine [3.91%]
-
Patent:US1487703
25.03.1924 Mcginnis Barr James Mark : Calculating Machine [14.66%]
-
Patent:US1498121
17.06.1924 H. Rieck : Educational Appliance [7.74%]
-
Patent:US1498309
17.06.1924 W. H. Smith : Calculating Machine [3.82%]
-
Patent:US1506939
02.09.1924 William G. Pankonin : Counter [29.65%]
-
Patent:US1507907
09.09.1924 A. B. Cosad : Calculator for Pencils [7.31%]
-
Patent:US1514721
11.11.1924 A. Pentencost : Eliminating Mechanism for Calculating Machines [6.03%]
-
Patent:US1520874
30.12.1924 C. C. Lauritsen : Recording and Indicating Mechanism [3.72%]
-
Patent:US1526871
17.02.1925 W. H. Schuerman : Adding Machine [6.53%]
-
Patent:US1526931
17.02.1925 Rauchwetter, Franz (P) : Totalizer Engaging Machansim for Calculating Machines [11.46%]
-
Patent:US1534531
21.04.1925 Lake, Clair (P) Tabulating Machine (P) Company : Relayless counter [28.10%]
-
Patent:US1534532
21.04.1925 Lake, Clair (P) Tabulating Machine (P) Company : Relayless counter [28.10%]
-
Patent:US1540151
02.06.1925 G. Walker : Apparatus for Averaging Velocities of Rotating Elements [3.67%]
-
Patent:US1540737
02.06.1925 F. N. Connet : Flow Meter [7.72%]
-
Patent:US1545254
07.07.1925 Hammond William P Quincy Moses Edmund : Fare calculator and register [3.55%]
-
Patent:US1560747
10.11.1925 Weinbach Mendel P : Vector calculator [3.83%]
-
Patent:US1563284
24.11.1925 G. Laurin : Counter for Pulleys [27.22%]
-
Patent:US1566628
22.12.1925 Stosick, Edmund C. Durant (P) Mfg. Co. : Counter [29.33%]
-
Patent:US1567985
29.12.1925 Reisser, Alexander (P) Calculus Ab : Calculating Machine [14.95%]
-
Patent:US1568640
05.01.1926 Francis B. Sweeney : Stroke counter [29.33%]
-
Patent:US1599582
14.09.1926 A. F. Moyer : Slider rule for Determining Balance [3.95%]
-
Patent:US1607537
16.11.1926 J. L. Hodgson : Integrator [12.72%]
-
Patent:US1612969
04.01.1927 Felt, Dorr E. (P) et al : Calculating Machine [6.63%]
-
Patent:US1630134
24.05.1927 Puccioni, Corrado : Flow Integrator and Recorder [5.86%]
-
Patent:US1637827
02.08.1927 Kottmann, August (P) Rheinmetall (P) (Rheinische Metallwaaren- und Maschinenfabrik) : Coupling device for calculating machines [5.50%]
-
Patent:US1650490
22.11.1927 Brown, Willis C. and Spink, Leland K. Foxboro Co. of Foxboro (MA) : Planimeter [3.81%]
-
Patent:US1657411
24.01.1928 Scherbius, Arthur (P) Chiffriermaschinen AG : Ciphering Machine [6.48%]
-
Patent:US1659901
21.02.1928 A. T. Winquist : Counter Pencil [7.71%]
-
Patent:US1676731
10.07.1928 J. Harrison : Denominating Machine [9.75%]
-
Patent:US1686351
02.10.1928 J. M. Spitzglass : Coal Meter [12.92%]
-
Patent:US1690487
06.11.1928 Horton, Allen (P) Burroughs (P) : Attachment for calculating machines [8.30%]
-
Patent:US1690488
06.11.1928 Horton, Allen (P) Burroughs (P) : Cushioning mechanism for calculating machines [7.77%]
-
Patent:US1694877
11.12.1928 Le Roi E. Hutchings : Stock Indicating Device [3.99%]
-
Patent:US1700027
22.01.1929 F. N. Connet : Reversible Flow Meter [10.09%]
-
Patent:US1700784
05.02.1929 Bennett Earl G : Supporting structure for typewriters, adding machines, bookkeeping machines, and the like [3.94%]
-
Patent:US1732231
22.10.1929 Horton, Allen (P) Burroughs (P) : Keyboard for calculating machines [4.20%]
-
Patent:US1734069
05.11.1929 Barrett, Glenn (P) Portable Adding Machine Compan : Listing mechanism for adding machines [3.70%]
-
Patent:US1742824
07.01.1930 A. Rozman : Calculating Machine [3.75%]
-
Patent:US1748783
25.02.1930 Mcgaughy John B : Gas-orifice meter-chart calculating machine [8.22%]
-
Patent:US1779774
28.10.1930 George Alfred Julius, Francis Julius Awdry : Means for calculating the ratio of variable quantities [5.75%]
-
Patent:US1781689
18.11.1930 Horton, Allen (P) Burroughs (P) : Controlling mechanism for power-driven calculating machines [8.46%]
-
Patent:US1794514
03.03.1931 Chase, George Clinton (P) Monroe (P) : Driving mechanism for calculating machines [3.72%]
-
Patent:US1802927
28.04.1931 Rinsche, Frank Charles (P) : Calculating Machine [6.63%]
-
Patent:US1803464
05.05.1931 A. S. Dennis : Attachement for Calculating Machines [11.72%]
-
Patent:US1806763
26.05.1931 G. L. McCarthy : Photographing Apparatus [10.10%]
-
Patent:US1807192
26.05.1931 E. F. Britten, Jr. : Attachement for Calculating Machines [7.65%]
-
Patent:US1811607
23.06.1931 E. F. Britten, Jr. : Calculating Machine [7.60%]
-
Patent:US1816957
04.08.1931 H. Chrisman et al : Fluid Meter [3.53%]
-
Patent:US1818548
11.08.1931 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [3.95%]
-
Patent:US1827890
20.10.1931 Horton, Allen (P) Burroughs (P) : Calculating Machine [16.62%]
-
Patent:US1829036
27.10.1931 L. A. Biehler : Integrating Device [7.28%]
-
Patent:US1830087
03.11.1931 E. Buckingham : Instrument for Exhibiting a Function of a Variable [3.68%]
-
Patent:US1830161
03.11.1931 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [6.84%]
-
Patent:US1832791
17.11.1931 Rudin, Karl Viktor (P) : Calculating Machine [3.49%]
-
Patent:US1837785
22.12.1931 F. Masch : Switch Mechanism for Calculating Machines [7.87%]
-
Patent:US1840378
12.01.1932 C. Wittenmyer Felt und Tarrant (P) : Calculating Machine [6.69%]
-
Patent:US1842975
26.01.1932 A. Matticoli : Multiplying Mechansim for Calculating Machines [4.17%]
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Patent:US1843552
02.02.1932 G. H. Gibson et al : Apparatus for Handling Material in Measured Quantities [5.85%]
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Patent:US1848106
08.03.1932 Carroll, Fred M. (P) Tabulating Machine (P) : Key adding device for tabulating machines [6.29%]
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Patent:US1849169
15.03.1932 E. F. Britten, Jr. : Calculating Machine [8.67%]
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Patent:US1853051
12.04.1932 Horton, Allen (P) Burroughs (P) : Keyboard for calculating machines [3.96%]
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Patent:US1854177
19.04.1932 J. Büchter : Total Printing Mechanism [6.62%]
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Patent:US1856039
26.04.1932 T. R. Harrison : Integrating Mechanism for Metering Instruments [7.63%]
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Patent:US1860490
31.05.1932 E. F. Britten, Jr. : Attachement for Calculating Machines [7.84%]
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Patent:US1864967
28.06.1932 F. Wagner et al : Measuring Apparatus [3.43%]
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Patent:US1865147
28.06.1932 Shipley, Bernis (P) : Cash Register [6.79%]
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Patent:US1869872
02.08.1932 Turck, Joseph Abraham Valentine (P) : Calculating Machine [11.38%]
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Patent:US1874700
30.08.1932 Gardner, Edna (P) Gardner (P) Company : Calculating Machine [6.79%]
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Patent:US1874719
30.08.1932 E. J. Von Pein : Cash Register [3.39%]
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Patent:US1880523
04.10.1932 Tauschek, Gustav (P) Tabulating Machine (P) Comp. : Setting device for calculating machines and the like [11.37%]
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Patent:US1887254
08.11.1932 A. E. Young : Measuring Apparatus [3.41%]
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Patent:US1892183
27.12.1932 H. H. Gorrie : Integrating Mechanism [3.75%]
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Patent:US1898996
28.02.1933 Chase, George Clinton (P) : Calculating Machine [11.21%]
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Patent:US1908881
16.05.1933 T. S. Bindschedler : Electric Switch [8.17%]
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Patent:US1909715
16.05.1933 Pasinski, Walter (P) Burroughs (P) Adding Machine Comp. : Selecting mechanism for multiple counter calculating machines [26.98%]
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Patent:US1911863
30.05.1933 Webner Frank E Webner Devices Inc : Mechanical calculator [10.02%]
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Patent:US1912512
06.06.1933 L. E. Church : Integrating Orifice Meter [12.35%]
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Patent:US1913510
13.06.1933 Racz, Ernest (P) Burroughs (P) : Calculating Machine [3.76%]
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Patent:US1920024
25.07.1933 H. J. Stehl : Integrating Mechanism [3.77%]
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Patent:US1922971
15.08.1933 G. Mez : Multiplication Device [3.93%]
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Patent:US1926896
12.09.1933 E. A. Ford : Printing Counter for Sorting Machines [44.34%]
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Patent:US1927269
19.09.1933 G. Lerch : Calculating Machine [8.43%]
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Patent:US1927856
26.09.1933 Ferris Roy (P), Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Calculating Machine [3.50%]
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Patent:US1936904
28.11.1933 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [3.82%]
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Patent:US1940069
07.01.1928 Bair, Joseph H. (P) The Arithmetician, Bair-Fulton Co. York PA. : Calculating Machine [6.53%]
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Patent:US1940134
19.12.1933 Louis Levin Max E. Zimmon : Golf score counter [28.70%]
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Patent:US1942106
02.01.1934 Kottmann, August (P) Rheinmetall (P) (Rheinische Metallwaaren und Maschinenfabrik) : Total Printing Device [11.36%]
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Patent:US1944659
23.01.1934 Ford, Eugene A. (P) IBM (P) : Printing counter [29.01%]
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Patent:US1945027
30.01.1934 Crosman, Loring Pickering (P) Gardner (P) Calculator Company : Listing Calculator [3.70%]
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Patent:US1946505
13.02.1934 Sundstrand, Oscar (P) Sundstrand (P) Corp. : Plural-counter computing machine [26.09%]
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Patent:US1946823
13.02.1934 Sundstrand, Oscar (P) Sundstrand (P) Corp. : Automatic counter control [26.13%]
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Patent:US1949740
06.03.1934 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [6.65%]
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Patent:US1951682
20.03.1934 Alexander Varren : Zero printing device for cash registers and calculating machines [10.78%]
-
Patent:US1956126
24.04.1934 Jacob Lundgren Tinius Olsen Testing Machine C : Dynamic balance calculator [3.91%]
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Patent:US1956825
01.05.1934 J. C. Diehl : Computing Mechanism [10.24%]
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Patent:US1958970
15.05.1934 Luttropp, Conrad (P), Anders Lindahl : Calculating Machine [3.82%]
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Patent:US1968539
31.07.1934 G. G. H. Rydberg : Measuring Apparatus [6.92%]
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Patent:US1969262
07.08.1934 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [10.84%]
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Patent:US1975774
13.02.1934 Anderson, Walter (P) Underwood Elliott-Fisher (P) Comp. : Plural counter computing machine [27.25%]
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Patent:US1981226
20.11.1934 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [7.15%]
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Patent:US1982722
04.12.1934 M. L. Zimmer : Computing Machine [8.04%]
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Patent:US1986193
01.01.1935 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [3.91%]
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Patent:US1990633
12.02.1935 J. Brandl : Device for Measuring the Volume of Flowing Gas [9.90%]
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Patent:US1993707
05.03.1935 C. Z. Rosecrans : Measuring System [3.70%]
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Patent:US1993834
12.03.1935 Friden, Carl Mauritz Fredrick (P) Marchant (P) Calculating Machine Company : Calculating Machine [8.18%]
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Patent:US2003839
04.06.1935 E. S. Smith, Jr. : Apparatus for Metering Through the Medium of the Versed Sine [6.79%]
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Patent:US2004282
11.06.1935 Horton, Allen (P) Burroughs (P) : Driving mechanism for calculating machines [6.23%]
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Patent:US2004881
11.06.1935 Edward A. Slye Veeder-Root (P) Inc. : Counter [28.70%]
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Patent:US2008921
23.07.1935 Muller, Robert (P) Burroughs (P) : Calculating Machine [8.52%]
-
Patent:US2012320
27.08.1935 Racz, Ernest (P) Burroughs (P) : Calculating Machine [3.85%]
-
Patent:US2022823
03.12.1935 Racz, Ernest (P) Burroughs (P) : Calculating Machine [3.74%]
-
Patent:US2027565
14.01.1936 B. C. Stickney : Tabulating Device [6.56%]
-
Patent:US2028529
21.01.1936 Smith, Clyde (P) Int Communications Lab Inc : Calculating Mechanism [8.03%]
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Patent:US2028540
21.01.1936 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [3.89%]
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Patent:US2029271
28.01.1936 E. H. Messiter : Conveyer Weighing Apparatus [11.25%]
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Patent:US2034085
17.03.1936 Chase, George Clinton (P) : Calculating Machine [3.93%]
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Patent:US2040026
05.05.1936 Harvey L. Spaunburg Veeder-Root (P) Inc. : Counter [29.01%]
-
Patent:US2040027
05.05.1936 Frank E. Northrop Veeder-Root (P) Inc. : Counter e [29.01%]
-
Patent:US2040031
05.05.1936 Harvey L. Spaunburg Veeder-Root (P) Inc. : Counter [28.70%]
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Patent:US2042249
26.05.1936 A. Constantine : Counter [23.04%]
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Patent:US2052764
01.09.1936 T. R. Harrison : Measuring Apparatus [4.00%]
-
Patent:US2055551
29.09.1936 Muller, Robert (P) Burroughs (P) : Calculating Machine [3.94%]
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Patent:US2056690
06.10.1936 Edward A. Slye Veeder-Root (P) Inc. : Counter mechanism [28.40%]
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Patent:US2058056
20.10.1936 Brubaker, Walter S.; Saarinen, Armas J. Granberg Meter Corp. : Counter-setting means [27.53%]
-
Patent:US2063080
08.12.1936 Christian, Raymond A. (P) Emil J. Ens NCR (P) : Counter control for calculating machines [28.10%]
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Patent:US2063287
08.12.1936 H. A. Aikins : Calculating Device [6.18%]
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Patent:US2068899
26.01.1937 Erik Anneren Rolf, Carlström, Bengt Facit (P) : Calculating Machine [3.75%]
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Patent:US2072989
09.03.1937 G. Lerch et al Marchant (P) : Calculating Machine [19.48%]
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Patent:US2076409
06.04.1937 Jay D. McClure Frank W. Putnam Ora J. Gardner Claude H. Kaysen : Game counter [27.81%]
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Patent:US2086425
06.07.1937 G. B. Linderman, Jr. : Integrating Apparatus [3.56%]
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Patent:US2087860
20.07.1937 John T. Nichols American Sheet & Tin Plate Comp. : Automatic counter [28.10%]
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Patent:US2093142
14.09.1937 Bolongaro, James (P) : Calculating apparatus for use in printing [6.32%]
-
Patent:US2096035
19.10.1937 O. T. Handwerk : Measuring Instrument [6.45%]
-
Patent:US2097065
26.10.1937 Adolf Holzner : Counter [29.65%]
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Patent:US2103077
21.12.1937 W. L. Herron : Meter [3.95%]
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Patent:US2107142
01.02.1938 Crosman, Loring Pickering (P) Gardner (P) Calculator Company : Listing Adding Machine [3.91%]
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Patent:US2112683
29.03.1938 R. E. Woolley : Measuring Apparatus [3.72%]
-
Patent:US2117168
10.05.1938 Adolf Holzner : Counter with telescoped number wheels [28.70%]
-
Patent:US2118354
24.05.1938 E. E. Mansur : Catamenial Calendar [4.02%]
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Patent:US2118773
24.05.1938 Ball, Robert (P) : Calculator [4.00%]
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Patent:US2121082
21.06.1938 T. R. Harrison : Integrator Mechanism for Measuring Instruments [3.66%]
-
Patent:US2121683
21.06.1938 Britten, Edwin (P) Gardner (P) Calculator Company : Calculating Machine [3.80%]
-
Patent:US2123142
05.07.1938 Mcmaster Archie J G M Lab Inc : Indicating and calculating system [6.75%]
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Patent:US2134298
25.10.1938 S. C. Brown : Variator for Weight Integrating Devices [6.04%]
-
Patent:US2139131
06.12.1938 Muller, Robert (P) Burroughs (P) : Calculating Machine [3.68%]
-
Patent:US2140336
13.12.1938 Shoup, Ransom P. Shoup Voting Machine Corp. : Counter [26.11%]
-
Patent:US2140839
20.12.1938 Hennessy, Mark M. Durant (P) Mfg. Co. : Counter [29.33%]
-
Patent:US2142341
03.01.1939 Arnold, Charles (P) NCR (P) : Switch for electric drives for calculating machines [6.17%]
-
Patent:US2142401
03.01.1939 Luhn, Hans P. (P) : Measuring Device [4.25%]
-
Patent:US2142892
03.01.1939 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [7.02%]
-
Patent:US2145347
31.01.1939 Francis Everitt Philip Hughes Henry and Son Ltd : Calculating mechanism for measuring instruments [8.01%]
-
Patent:US2150442
14.03.1939 Rupert Christian Herzog : Calorie counter [29.01%]
-
Patent:US2159314
23.05.1939 Harvey N. Bliss Veeder-Root (P) Inc. : Counter [28.70%]
-
Patent:US2159882
23.05.1939 M. M. Borden : Integrator [10.64%]
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Patent:US2162238
13.06.1939 Avery, Harold (P) et al Marchant (P) : Clutch and Power Transmission [6.18%]
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Patent:US2166845
18.07.1939 Martin William F : Calculating Machine [3.65%]
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Patent:US2173436
19.09.1939 O. T. Handwerk : Measuring Instrument [11.05%]
-
Patent:US2177176
24.10.1939 H. Gilmore : Endless Slide Rule [3.94%]
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Patent:US2192324
05.03.1940 Muller, Robert (P) Burroughs (P) : Paper equipment for calculating machines [3.62%]
-
Patent:US2195267
26.03.1940 Bush Eugene S Bush Mfg Company : Calculating Machine [6.42%]
-
Patent:US2206239
02.07.1940 Charles A. Rossberg Veeder-Root (P) Inc. : Computing counter [28.40%]
-
Patent:US2206252
02.07.1940 R. H. Gould : Electrical Meter [11.72%]
-
Patent:US2212323
20.08.1940 Martin William F : Calculator [11.18%]
-
Patent:US2216659
01.10.1940 Avery, Harold (P) Marchant (P) : Calculating Machine [15.06%]
-
Patent:US2220159
05.11.1940 C. E. Kolb : Price Computing Mechanism [11.96%]
-
Patent:US2220399
05.11.1940 Erik Fagerholm Henry Wild Surveying Instr Sup : Nomomechanical calculating apparatus [6.31%]
-
Patent:US2222164
19.11.1940 Avery, Harold (P) Marchant (P) : Calculating Machine [10.86%]
-
Patent:US2228068
07.01.1941 E. J. White : Integrating Apparatus [3.49%]
-
Patent:US2228554
14.01.1941 C. A. Brown : Abacus [17.48%]
-
Patent:US2229889
28.01.1941 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [11.98%]
-
Patent:US2229901
28.01.1941 A. I. Richards Friden (P) : Calculating Machine [22.83%]
-
Patent:US2238920
22.04.1941 Victor C. Studley Waltham Watch Comp. : Counter resetting device [26.09%]
-
Patent:US2239363
22.04.1941 R. W. Gilbert : Integrating Apparatus [12.30%]
-
Patent:US2252621
12.08.1941 Eichler, Ulrich (P) (Diehl (P)) : Calculating Machine [19.23%]
-
Patent:US2253563
26.08.1941 Francis A. Humphreys Thomas Hadden Humphreys : Game counter [26.11%]
-
Patent:US2255621
09.09.1941 Landsiedel Walter W Remington Rand (P) Inc : Total control means for adding machines [3.76%]