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Pfeil.gif Patentdatenbank  Pfeil.gif Großbritannien  

Patente aus Großbritannien 1920 bis 1929


  • Patent:GB136179 08.01.1920 Appleyard, Rollo : Apparatus for Calculating Differences in Height Above Sea-level from Barometer Readings
  • Patent:GB136180 08.01.1920 Appleyard, Rollo : Range Calculator
  • Patent:GB136181 08.01.1920 Appleyard, Rollo : Improvements in and relating to Aircraft Air+speed Indicators.
  • Patent:GB136182 08.01.1920 Appleyard, Rollo : Apparatus for Ascertaining the Logarithmic Decrement of Damped
  • Patent:GB136183 08.01.1920 Appleyard, Rollo : Apparatus for Determining the Limiting Angle of Approach of a Vessel
  • Patent:GB137190 08.01.1920 Ravald, Leonard Palin : Apparatus for counting and indicating the points scored by players in the game of billiards and the like
  • Patent:GB137268 08.01.1920 Buffard, Charles Francois : Improvements in or relating to traffic control and ticket systems for use therein
  • Patent:GB167699 16.01.1920 Darnley, Percey Henry and Richards, Barnett : Teaching arithmetic.-A device for facilitating the learning of multiplication and division
  • Patent:GB137913 29.01.1920 Robinson, Rochfort Wybrants : A complete current and perpetual calendar
  • Patent:GB125999 05.02.1920 Odhner, Valentin Jakob Odhner : Improvements in or relating to Zeroising Mechanism for Calculating Machines
  • Patent:GB138146 05.02.1920 Ommanney, Patrick Gream Nelson : Instrument for facilitating calculations depending on the relations between the pressures, densities, temperatures and percentage compositions of gases, and the recording of observations of these quantities
  • Patent:GB138566 12.02.1920 Bradley, Edgar Davies und Gray, George und Gray, Earle : Improvements in and relating to means for measuring and indicating continuous length of material
  • Patent:GB138944 26.02.1920 Harry Cahen : Improvements in apparatus for calculating gun elevations, deflections, fuse settingsand other quantities used in gunnery
  • Patent:GB139018 26.02.1920 Webb, John Racker Ransome Ver Mehr Machinery Com : Improvements relating to mixing machines
  • Patent:GB159096 01.03.1920 Schramm, A.J. : Adding and subtracting apparatus
  • Patent:GB131602 04.03.1920 Odhner, Valentin Jakob : Improvements in or relating to Mechanism for Shifting the Totalising
  • Patent:GB139340 04.03.1920 Albert Charles Chew : Improvements in or connected with Slide Rules
  • Patent:GB139385 04.03.1920 Smithson, Thomas Henry Joseph : Improvements in counting and scoring apparatus
  • Patent:GB191328164 04.03.1920 Greve, John E. Wanderer Werke : Method of and Apparatus for Controlling the Colour Ribbons in Calculating Machines
  • Patent:GB139551 11.03.1920 Goldberg, Solomon Harry : Improvements in machine for counting and arranging hairpins or like forked articles
  • Patent:GB139689 11.03.1920 Grover, Frederick Forgrove Mach : An apparatus for counting and delivering predetermined numbers of pills
  • Patent:GB125998 01.04.1920 Odhner, Valentin Jakob : Improvements in or relating to Transfer Mechanism for Calculating Machines
  • Patent:GB149935 06.04.1920 Kemmerich, Otto : Apparatus for assisting the addition of long columns of figures
  • Patent:GB141136 09.04.1920 Arthur Trevor Dawson George Thomas Buckham Vickers Ltd. : Improvements in or relating to ordnance sighting apparatus
  • Patent:GB134217 15.04.1920 Original Odhner Ab : Improvements in or relating to the Carriage Mechanism of Calculating Machines of the Pin-wheel and Cam-disk Type
  • Patent:GB128563 22.04.1920 Svensson, Eric Elias : Improvements in Detent Mechanism for Calculating Machines
  • Patent:GB1919134833 29.04.1920 Fabrique des Montres Zénith : Improvements in circular slide rules
  • Patent:GB123725 03.05.1920 Noonan, John Joseph : Improvements in Cloth Measuring and Value Computing Machines.
  • Patent:GB126624 13.05.1920 Liedstrand, Karl Emil Leonard : Improvements in Cards adapted for Statistical or similar purposes
  • Patent:GB143462 19.05.1920 NCR : Improvements in and relating to denomination selecting mechanism for cash registers of the single key-bank type
  • Patent:GB113791 20.05.1920 Siemens und Halske AG : Improvements in or relating to Means for Checking Workmens Time.
  • Patent:GB128221 20.05.1920 Odhner, Valentin Jakob : Improvements in or relating to Revolution Counters for the Actuator Wheels in Calculating Machines of the Cam Disc and Pin Wheel Type
  • Patent:GB134221 20.05.1920 Odhner, Valentin Jakob : Improvements in or relating to Zeroizing Mechanism for Calculating Machines
  • Patent:GB143964 01.06.1920 Oswald, George Winzar : Improvements in and relating to calculating devices of the slide rule type
  • Patent:GB144361 07.06.1920 Haddan, Alfred John Henry NCR : Improvements in Cash Registers.
  • Patent:GB144367 07.06.1920 NCR : Improvements in total printing mechanism for cash registers and the like
  • Patent:GB144543 07.06.1920 NCR : Improvements in and relating to the printing mechanism of cash registers and typing machines
  • Patent:GB144161 10.06.1920 Pollen, Arthur Hungerford und Landstad, Halvor Folkestad : Improvements in and relating to indicators for distance travelled foruse in aircraft
  • Patent:GB144750 14.06.1920 Burroughs Adding Machine Co : Improvements in or relating to adding or like machines
  • Patent:GB144558 17.06.1920 Garden, William Brownie : Apparatus for the counting of coin in bulk
  • Patent:GB145139 22.06.1920 Phillips, Frederick : Improvements in or relating to taximeters
  • Patent:GB145382 22.06.1920 Phillips, Frederick : Improvements in or relating to taximeters
  • Patent:GB136150 02.07.1920 Odhner, Valentin Jakob : Improvements in or relating to Locking Means for the Operating Crank of Calculating Machines
  • Patent:GB147241 06.07.1920 Roach, Ernest : Improvements in and relating to computing apparatus for use in gunnery
  • Patent:GB139463 08.07.1920 Odhner, Valentin Jakob : Improvements in or relating to transfer mechanism for calculating machines
  • Patent:GB145810 08.07.1920 May, William James : Improvements in bomb-sighting and course-steering apparatus for use with aeroplanes and the like
  • Patent:GB145934 08.07.1920 Fitzsimons, Ricardo Robert Swaine, Walter Cecil Trevor : Improvements in and relating to counting apparatus for marine engines
  • Patent:GB146046 08.07.1920 Glover , Albert William George Glover & Co Ltd : Improvements in gas meter indicators
  • Patent:GB148455 10.07.1920 Kübler, Carl, Carl : Calculating Apparatus
  • Patent:GB172909 10.07.1920 Kübler, Carl : Calculating Apparatus
  • Patent:GB146613 12.07.1920 Toshiichi, Arimitsu : Improvements in and relating to apparatus for use in solving nautical problems or plane and spherical trigonometry
  • Patent:GB146614 12.07.1920 Toshiichi, Arimitsu : Improvements in and relating to apparatus for use in solving nautical problems or plane and spherical trigonometry
  • Patent:GB125974 19.07.1920 Odhner, Valentin Jakob : Improvements in or relating to Calculating Machines
  • Patent:GB147366 22.07.1920 Oswald, George Winzar : Improvements in and relating to calculating apparatus adapted to deal with non-decimal monetary weight, measure and like systems
  • Patent:GB126305 30.07.1920 Odhner, Valentin Jakob : Improvements in or relating to Transfer Mechanism for Calculating Machines
  • Patent:GB148678 05.08.1920 Anderson, Alexander : Improvements in means for locating the source of sounds
  • Patent:GB149414 10.08.1920 Greenfield, Joseph (Wade, H.) : Improvements in or relating to indicating mechanism for gas-meters
  • Patent:GB149158 12.08.1920 Keesey, Edward Walton : Improvements in trigonometric calculators
  • Patent:GB149501 19.08.1920 Forbes, John Hynd : Improvements in apparatus for registering and indicating distances
  • Patent:GB149505 19.08.1920 Ahern, Albert Michael : Improvements in and relating to means for feeding and counting sheets
  • Patent:GB128207 26.08.1920 Lasker, William Walter : Improvements in Machines for Sorting Statistical Cards and the like.
  • Patent:GB150060 26.08.1920 Kilburn, B. E. D. Ford Instrument Company : Improvements in or relating to electric step-by-step signalling apparatus
  • Patent:GB150021 30.08.1920 Phillips, Frederick : Improvements in or relating to devices for use in giving change
  • Patent:GB123989 02.09.1920 Poor Charles Lane : Improvements in Calculating Instruments
  • Patent:GB128217 02.09.1920 Odhner, Valentin Jakob : Improvements in or relating to Locking Devices in Calculating Machines of the Cam-disk and Pin-wheel Type
  • Patent:GB150103 02.09.1920 Leonard Charles Bygrave : A calculating instrument for aerial navigation purposes
  • Patent:GB150813 06.09.1920 Stevens, William James : Improvements in or relating to course and distance calculators and the like
  • Patent:GB151058 07.09.1920 Burdick, Charles Laurence : Improvements in coin counting and packeting machines
  • Patent:GB139201 09.09.1920 Blaustein, Joseph : Improvements in calculating machines
  • Patent:GB139202 09.09.1920 Blaustein, Joseph : Adding and subtracting apparatus
  • Patent:GB150470 09.09.1920 Orme, Thomas Armitage und Stansfield, Albert Meters Ltd : Improvements in and relating to counting apparatus
  • Patent:GB150471 09.09.1920 Wimperis, Harry Egerton und Horsley, Edward Cecil : Mechanism for solving spherical triangles
  • Patent:GB150507 09.09.1920 Thornton, A. A. Measuregraph Company : Improvements relating to apparatus for measuring off lengths of cloth
  • Patent:GB150970 11.09.1920 Kuhrt, Ernst : Multiplying and Typing Apparatus
  • Patent:GB128220 13.09.1920 Odhner, Valentin Jakob : Improvements in or relating to Means for Shifting the Totalizing-counter Carriage in Calculating Machines of the Pin-wheel and Cam-disc Type
  • Patent:GB128564 16.09.1920 Ford, Hannibal Choate : Improvements in or relating to Range Keeping or Predicting Instruments
  • Patent:GB128565 16.09.1920 Ford, Hannibal : Improvements in or relating to Calculating Instruments for use in Gunnery
  • Patent:GB151670 16.09.1920 Sidney Bernard Burns und Walter Francis Baker : Improvements in and relating to calculating apparatus for computing wages, percentages and the like
  • Patent:GB128569 17.09.1920 Hannibal Choate Ford : Improvements in or relating to Range Keepers or like Instruments
  • Patent:GB129290 04.10.1920 Ford, Hannibal Choate : Improvements in or relating to Apparatus for Electric Step-by-step Signalling Systems
  • Patent:GB129291 04.10.1920 Odhner, Valentin Jakob : Improvements in or relating to Revolutions-counting Mechanism for Calculating Machines of the Pin-wheel and Cam-disk Type
  • Patent:GB152390 04.10.1920 Barker, John Paul : Improvements in ticket punches.
  • Patent:GB151908 07.10.1920 Leyland, John Lawton : Improvements in shaft couplings
  • Patent:GB126308 14.10.1920 Lasker, William Walter : Improvements in Machines for Automatically Compiling, Recording and reckoning Statistics by means of sharped ot perforated Cards
  • 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
  • Patent:GB152533 21.10.1920 Pickard, Ernest Aktiebolaget Orginal-Ohdner : Improvements in and applicable to cages for pit shafts and like
  • Patent:GB153344 02.11.1920 Rogers, F. H. Liberty Systems Corp : Improvements in and relating to apparatus for selecting or checking statistical cards
  • Patent:GB131607 18.11.1920 Odhner, Valentin Jakob : Improvements in or relating to Arresting Devices for the Operating Crank in Calculating machines
  • Patent:GB154297 22.11.1920 McKellen, Samuel Dunseith und Woodall, Henry : Improvements in or relating to instruments for indicating speeds and registering distances
  • Patent:GB154336 27.11.1920 Brown, George Lawton : Improvements in and relating to card index systems
  • Patent:GB154248 29.11.1920 Wilkinson Brothers And Co Inc : Improvements in and relating to calculating machines
  • Patent:GB155344 08.12.1920 Charles Herbert Booth Halstead Best : Improved calculating device or slide rule
  • Patent:GB154756 09.12.1920 John St Vincent Pletts : Improvements in Slide Rules
  • Patent:GB155352 13.12.1920 Drake, Tom Linotype Machinery Ltd : Improvements in or relating to the keyboard mechanism of typographical composing and other key controlled machines
  • Patent:GB155355 13.12.1920 Koop, Paul Gerhard : Improved means for indicating the quantity of oil in liquid fuel tanks
  • Patent:GB155329 14.12.1920 Charles Henry Tallmadge : Improvements in and relating to methods of summation in card
  • Patent:GB146312 16.12.1920 Krupp AG : Percussion fuse for projectiles
  • Patent:GB155379 20.12.1920 John MacGillivray : Improvements in calculating instruments
  • Patent:GB143559 23.12.1920 Trinks, Franz : Improvements in or relating to calculating machines
  • Patent:GB152640 29.12.1920 Peirce, John Royden : Statistical data representation systems and co-operating differential mechanism for perforated record card controlled statistical machines.
  • Patent:GB156311 29.12.1920 Frank Edward Guy : Improvements in and relating to calculating machines
  • Patent:GB155713 30.12.1920 Sokal, S. Maschinenwerke zu Frankfurt am Main : Improvements in and relating to surface measuring machines
  • Patent:GB149285 06.01.1921 William Walter Lasker : Improvements in and relating to stop motions and clutch mechanism for calculating apparatus, machines for automatically compiling, recording
  • Patent:GB151263 06.01.1921 Krupp AG : Improvements in and relating to apparatus for the measurement of plane surfaces
  • Patent:GB155996 06.01.1921 Griffiths, James : A coding and decoding device
  • Patent:GB156033 06.01.1921 Robert Allon Eldridge : Improvements in apparatus for use in solving problems in nautical astronomy or navigation
  • Patent:GB156052 06.01.1921 Burroughs Adding Machine Co : Improvements in adding and listing machines
  • Patent:GB156715 07.01.1921 Rechnitzer, Alexander Autarit GMBH : Calculating-machine
  • Patent:GB147111 20.01.1921 Trinks, Franz : Improvements in line-spacing mechanism for calculating machines
  • Patent:GB148770 20.01.1921 Mouren, Lucien Joseph Louis : Apparatus for mechanically solving spherical triangles
  • Patent:GB158084 27.01.1921 NCR : Totalizer selecting mechanism for calculating apparatus controlled by punched record sheets or the like
  • Patent:GB158180 27.01.1921 NCR : Improvements in and relating to differential mechanism for calculating apparatus controlled by punched record sheets or the like
  • Patent:GB142436 03.02.1921 Pein, E. J. von NCR : Improvements in printing mechanism for cash registers
  • Patent:GB149287 03.02.1921 William Walter Lasker : Improvements in and relating to printing mechanism for calculating apparatus, machines for automatically compiling, recording, and reckoning
  • Patent:GB152630 24.02.1921 Morse, R. V. Morse Instrument Company Inc : Improvements relating to fuse setting apparatus for anti-aircraft artillery
  • Patent:GB139203 03.03.1921 Blaustein, Joseph : Improvements in Calculating Machines
  • Patent:GB141012 03.03.1921 Pein, E. J. von NCR : Improvements in Cash Registers.
  • Patent:GB142113 17.03.1921 Isnow, D. A; Altschuler, J. Kodak Ltd : An improved method of and apparatus for numbering or identifying kinematograpy films
  • Patent:GB160186 24.03.1921 Francis James Anderson : Improvements in or relating to logarithmic computing apparatus
  • Patent:GB145510 31.03.1921 Mairich, Hans : Improvements in apparatus for registering the consumption of motor spirit and the like
  • Patent:GB185171 31.03.1921 Hebern, Edward Hugh : Electric coding machine
  • Patent:GB144685 07.04.1921 Fed Adding Machine Corp : Improvements in printing mechanism for calculating machines
  • Patent:GB153326 07.04.1921 State of France : Improvements relating to the aiming of anti-aircraft guns
  • Patent:GB161306 13.04.1921 Telling, Henry George : Improvements in or relating to mechanical coding and decoding or ciphering apparatus
  • Patent:GB142114 21.04.1921 Altschuler, J. Kodak Ltd : Improvements in or relating to apparatus for numbering kinematograph films
  • Patent:GB156204 21.04.1921 William Walter Lasker : Improvements in and relating to transfer or carrying-over mechanism for calculating apparatus, machines for automatically compiling, recordin
  • Patent:GB140441 28.04.1921 Le Sort, Henri Thomas Marie : A machine for solving spherical triangles
  • Patent:GB148166 28.04.1921 Werkstätten für Prazisions-Mechanik und Optik C. Bamberg : Improvements in or relating to instruments for assisting in the Measurement of Long Base Distances
  • Patent:GB149286 28.04.1921 William Walter Lasker : Improvements in and relating to calculating apparatus, more especially adapted for use in machines for automatically compiling, recording, an
  • Patent:GB147139 05.05.1921 Thun, Hermann : Surface measuring machine particularly for leather
  • Patent:GB147764 05.05.1921 Grimme Natalis : Improvements in or relating to calculating machines
  • Patent:GB149672 05.05.1921 Krupp AG : Improvements in machines for measuring areas of leather or the like
  • Patent:GB162347 05.05.1921 Burroughs Adding Machine Co : Improvements in or connected with paper-carriages for calculating machines
  • Patent:GB147115 12.05.1921 Trinks, Franz : Improvements in calculating machines
  • Patent:GB162895 12.05.1921 Bygrave, Leonard Charles Air Ministry Laboratory : Improvements in calculating apparatus
  • Patent:GB162979 12.05.1921 Peirce, John Royden : Total printing mechanism for adding and like registering machines
  • Patent:GB180653 23.05.1921 Scherbius, Arthur : Electric Cyphering Apparatus
  • Patent:GB164442 01.06.1921 Edward Jones : Improvements in Slide Rules
  • Patent:GB146884 02.06.1921 Trinks, Franz : Multiplying and Dividing Apparatus
  • Patent:GB147114 02.06.1921 Trinks, Franz : Improvements in calculating machines
  • Patent:GB164398 15.06.1921 Percy Willis Gray Vickers Ltd. : Improvements in or relating to apparatus for obtaining data for gunnery purposes
  • Patent:GB157825 16.06.1921 Fuller, Frederick Remington Arms Union Metallic Cartridge Co. Inc. : Improvements in and relating to indicators for cash registers and the like
  • Patent:GB139477 23.06.1921 Liedstrand, Karl Emil Leonard : Improvements in or relating to machines for summing up numerical data
  • Patent:GB164765 23.06.1921 Peter William Willians : Improvements in, or relating to, gunnery computing and predicting apparatus
  • Patent:GB150689 30.06.1921 Krupp AG : Improvements in or relating to area measuring machines particularly intended for the measurement of leather
  • Patent:GB153868 30.06.1921 Krupp AG : Improvements in and relating to surface measuring machines
  • Patent:GB147766 07.07.1921 Trinks, Franz : Multiplying and Dividing Apparatus, Zeroizing Mechanism
  • Patent:GB135465 11.07.1921 Fuller, Frederick Remington Arms Union Metallic Cartridge Co. Inc. : Improvements in cash registers
  • Patent:GB157823 11.07.1921 Fuller, Frederick Remington Arms Union Metallic Cartridge Co. Inc. : Improvements in and relating to control devices for cash registers and the like
  • Patent:GB157824 11.07.1921 Fuller, Frederick Remington Arms Union Metallic Cartridge Co. Inc. : Improvements in and relating to combined printing and autographic record mechanism for cash registers and the like
  • Patent:GB166056 11.07.1921 Peirce, John Royden : Improvements in and relating to card operated selective control
  • Patent:GB166173 11.07.1921 Percy Willis Gray : Improvements in trigonometrical calculating machines
  • Patent:GB166486 11.07.1921 Rauchwetter, Franz : Division mechanism for calculating machines
  • Patent:GB166489 11.07.1921 Rauchwetter, Franz : Improvements in calculating machines
  • Patent:GB146440 28.07.1921 Pestourie, Pierre : Improvements in or relating to Odometers.
  • Patent:GB147762 04.08.1921 Grimme Natalis : Improvements in or relating to calculating machines
  • Patent:GB167099 04.08.1921 August Straub, Andreas Hochstrasser : Improvements in or relating to sliding rules
  • Patent:GB143251 11.08.1921 Schildt, Wilhelm : Improvements in and relating to calculating machines of the pin wheel and cam disc type
  • Patent:GB167843 17.08.1921 Brotherton , Frank : A device for calculating or computing purposes
  • Patent:GB167801 23.08.1921 George Thomas Buckham, Arthur Trevor Dawson : Improvements in or relating to instruments for use in the laying of ordnance
  • Patent:GB150351 25.08.1921 Mang, Gerard & Fournier, Louis : Calculator
  • Patent:GB146948 19.09.1921 Bloch, Georg Bloch : Improvements in calculating apparatus
  • Patent:GB146382 03.10.1921 , J.W. Internat Time Recording Comp. : Improvements relating to machines for compiling statistics by means of perforated cards
  • Patent:GB169794 03.10.1921 Burroughs Adding Machine Comp. : Improvemens in or relating to Calculating-machines
  • Patent:GB147112 06.10.1921 Trinks, Franz : Improvements in calculating machines
  • Patent:GB147765 10.10.1921 Trinks, Franz : Adding Apparatus
  • Patent:GB147835 10.10.1921 Grimme Natalis : Improvements in or relating to calculating machines
  • Patent:GB147883 10.10.1921 Moire, Paul : Improvements in and relating to counting apparatus
  • 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
  • Patent:GB146273 24.10.1921 Optische Anstalt C. P. Goerz : Improvements in and relating to keyboard setting mechanism for adding-machines
  • Patent:GB170808 24.10.1921 NCR : Improvements relating to transaction counters for cash registers and like machines
  • Patent:GB188527 08.11.1921 Christopher Hodgson Booth : Improvements in and relating to mechanism for resolving and compounding velocities
  • Patent:GB148207 09.11.1921 Myers, Eugene Van Aiken : Improvements in lubrication-indicators
  • Patent:GB171475 14.11.1921 de Giglio, Gaetano : Improvements in adding machines
  • Patent:GB150685 21.11.1921 Krupp AG : Improvements in and relating to surface measuring machines
  • Patent:GB146438 05.12.1921 Abel, August : Monetary item subtracting and recording apparatus for use in issuing cheques.
  • Patent:GB147477 08.12.1921 Reisser, Alexander : Multiplying and Dividing Apparatus
  • Patent:GB172043 08.12.1921 Arthur Leonard Pailthorpe Accounting und Tabulating Corp. of Great Britain Ltd. : Improvements in statistical machines
  • Patent:GB172236 08.12.1921 Mattinson, James Hugh : Apparatus for use in Calculating the Food Requirements of Animals
  • Patent:GB173198 16.12.1921 NCR : Improvements in and relating to Indicator and Alarm Mechanism for Cash Registers
  • Patent:GB199411 22.12.1921 Gray, P. W. Vickers, Ltd. : Improvemts in or Relating to Apparatus for use in the Laying of anti-Aircraft Guns
  • Patent:GB146285 28.12.1921 Rauchwetter, Franz : Improvements in and relating to item printing arrangements for calculating machines
  • Patent:GB172020 28.12.1921 Rauchwetter, Franz : Improvements in item and total printing arrangements for adding machines
  • Patent:GB172990 28.12.1921 Adolph Edward Vidal : Improvements in item and total printing arrangements for calculating machines
  • Patent:GB183723 03.01.1922 King, Otis : Improvements in and relating to Calculating Apparatus
  • Patent:GB148292 09.01.1922 Turck, Joseph Abraham Valentine Felt und Tarrant : Improvements in or connected with Calculating machines
  • Patent:GB169178 09.01.1922 Reisser, Alexander : Improvements in the transfer mechanism of calculating machines
  • Patent:GB175064 10.02.1922 William James Smith Bliss Co : Improvements in Slide Rules
  • Patent:GB175581 13.02.1922 Kuhrt, Ernst : Improvements in or relating to calculating machines and printing mechanism therefor
  • Patent:GB162259 07.03.1922 Fed Adding Machine Corp : Improvements in motor driven calculating machines
  • Patent:GB176915 23.03.1922 : Ellipsograph
  • Patent:GB177040 23.03.1922 Grand Rapids Show Case Company : A cloth measuring or computing device
  • Patent:GB154603 27.03.1922 Turck, Joseph Abraham Valentine Felt und Tarrant :
  • Patent:GB170857 30.03.1922 Fried. Krupp AG : Improvements in apparatus for measuring plane surfaces
  • Patent:GB177411 30.03.1922 William Thomas Palmer : An improved calulator
  • Patent:GB178273 20.04.1922 Robert Stanley Capon : Improvements in apparatus for calculating the ground speed of aircraft
  • Patent:GB157845 10.05.1922 Jay Randolph Monroe Monroe Calculating Machine Co : Calculating machines
  • Patent:GB181043 06.06.1922 Felt und Tarrant : Improvements in Calculating Machines
  • Patent:GB163983 08.06.1922 Louis Frederic Amez Droz : Copy carrier for writing machines, adding machines and the like
  • Patent:GB182537 30.06.1922 Christopher Henry Ellis : Improvements in movable desk-supports for typewriters, adding machines and the like
  • Patent:GB177151 06.07.1922 Fried. Krupp AG : Improvements in drives for leather measuring machines
  • Patent:GB182841 07.07.1922 Peters Morse Mfg Corp : Improvements in and relating to adding machines
  • Patent:GB183867 26.07.1922 Tabulating Mach Co Ltd : Improvements relating to apparatus for compiling and printing statistics from perforated record cards
  • Patent:GB183347 27.07.1922 Arthur William Judge : Improvements in calculators for solving vector triangles
  • Patent:GB183881 08.08.1922 Greve, John E. : Improvements in or relating to the actuating mechanism of calculating machines
  • Patent:GB184432 08.08.1922 Greve, John E. : Improvements in and relating to zero-registering arrangements for adding-machines
  • Patent:GB178078 24.08.1922 Fried. Krupp AG : Improvements in surface measuring machines
  • Patent:GB185075 28.08.1922 NCR : Improvements in totalizing-counter selecting and actuating mechanism for calculating machines
  • Patent:GB203699 05.09.1922 Bergmann, Jean Bergmann Universal Ges., CBR : Cases convertible into supports (for an adding-device)
  • Patent:GB179933 14.09.1922 Augustin, Wilhelm Bing Werke : Improvement in or connecting with calculating machines
  • Patent:GB185852 14.09.1922 Friden, Carl Mauritz Fredrick : Improvements in or relating to Differential Mechanism for Calculating Machines
  • Patent:GB187312 16.10.1922 Henkels, Albert : Improvements in or relating to cyphering machines
  • Patent:GB187702 23.10.1922 Landsiedel, Harry : Improved printing mechanism for adding and recording machines
  • Patent:GB187703 23.10.1922 Landsiedel, Harry : Improved printing-mechanism for adding and recording machines
  • Patent:GB168311 16.11.1922 Tabulating Machine Co : Improvements in transfer mechanism for totalizers of calculating and other registering machines
  • Patent:GB189518 29.11.1922 Gaston, Beauvais : Improvements in or relating to logarithmic calculating devices
  • Patent:GB213947 09.12.1922 Bergh, Samuel Johannes van den : Improvements in and relating to apparatus for directing the fire of guns at rapidly moving targets
  • Patent:GB174369 21.12.1922 Daemen, Victor : Improvements in logarithmic computing apparatus
  • Patent:GB176774 28.12.1922 Fried. Krupp AG : Improvements in machines for measuring surface areas
  • Patent:GB191346 04.01.1923 NCR : Improvements in and relating to keyboard and differential mechanism for cash registers and like machines
  • Patent:GB191349 04.01.1923 NCR : Improvements in and relating to Transaction Counters for Cash Registers
  • Patent:GB191350 04.01.1923 NCR : Improvements in and relating to multiple totalizer mechanism for cash registers and like machines
  • Patent:GB191351 04.01.1923 NCR : Improvements in and relating to total-taking mechanism for cash registers and like machines
  • Patent:GB172640 11.01.1923 Optische Anstalt C. P. Goerz : Improvements in and relating to electromotive drives for calculating machines
  • Patent:GB191645 18.01.1923 : Improved Ellipsograph
  • Patent:GB186570 25.01.1923 Fried. Krupp AG : Improvements in and connected with stamping apparatus for the automatic stamping of the results of measurement, particularly for leather measuring machines of the Sawyer type
  • Patent:GB192282 01.02.1923 Metcalfe, Robert Munkman : Planimeter
  • Patent:GB192433 01.02.1923 Edwin Franklin Britten Jr. : Improvements in or relating to calculating machines
  • Patent:GB192434 01.02.1923 Britten, Edwin : Improvements in or relating to calculating machines
  • Patent:GB193035 03.02.1923 Scherbius, Arthur NV Ingenieursbureau Securitas : Ciphering Machine
  • Patent:GB171101 05.02.1923 Defrance, Jean Etienne Abraham : Improvements in machines for measuring leather and hides
  • Patent:GB186309 15.02.1923 Fried. Krupp AG : Improvements in and relating to surface measuring machines, particularly intended for the measurement of leather
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  • Patent:GB263097 12.01.1928 Burroughs Adding Machine Co : An improved platen mechanism and ribbon feed mechanism for calculating machines
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  • Patent:GB284804 09.02.1928 James Weir French Barr and Stroud Ltd : Calculating-apparatus for the solution of triangles
  • Patent:GB285322 16.02.1928 Fiacchi. Francesco : Improvements in logarithmic calculating apparatus
  • Patent:GB262794 23.02.1928 Marcel Jacob : Process and apparatus for automatically effecting statistical and reckoning operations
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  • Patent:GB275251 23.02.1928 Tauschek, Gustav : A machine for the numerical compilation of data from perforated cards
  • Patent:GB271935 06.03.1928 Thomas, Arthur Accounting & Tabulating Corp. : Statistical, calculating, and like machine controlled by mechanical records
  • Patent:GB274805 06.03.1928 Knotz, Alois : Improvements relating to adding machines and cash-registers
  • Patent:GB287035 06.03.1928 Knotz, Alois : Improvements relating to ink-ribbon guides for use in adding machines
  • Patent:GB287243 19.03.1928 Arthur Thomas Accounting and Tabulating Corp : Improvements in and relating to machines suitable for checking or verifying mechanical records for use with statistical, calculating and like
  • Patent:GB270350 29.03.1928 Robertson, William NCR : Improvements in or relating to cash registers
  • Patent:GB288360 02.04.1928 Charles Campbell British Tabulating Machine Comp. Ltd. : Improvements in or relating to record-card-controlled statistical machines
  • Patent:GB288515 02.04.1928 Charles Campbell British Tabulating Machine Comp. Ltd. : Improvements in or relating to record-card-controlled statistical machines
  • Patent:GB288516 02.04.1928 Charles Campbell British Tabulating Machine Comp. Ltd. : Improvements in or relating to record-card-controlled statistical machines
  • Patent:GB288672 02.04.1928 William Ball : Improvements in calculating machines
  • Patent:GB280177 26.04.1928 Alexander Von Castell Ruedingh : Improvements in Slide Rules
  • Patent:GB278380 10.05.1928 Roger Lanquetin : Improved apparatus for determining the ratio between the linear functions of two temperatures
  • Patent:GB290746 21.05.1928 Ruben Brusch : Calculating cylindrical slide rules with slider
  • Patent:GB283175 24.05.1928 Govare, Harry Paul and Salomon, Francois : Logarithmic apparatus for determining quotients
  • Patent:GB290897 24.05.1928 Karl Albin Abraham Johansson : Improvements in and relating to means for mounting type-writers, calculating machines, and other office machines on tables or desks
  • Patent:GB291324 31.05.1928 : Improved Ellipsograph
  • Patent:GB291841 05.06.1928 Hugh Warren Lee Henry George Andrew Scott W.G. Armstrong, Whitworth und Comp. Ltd. : Improvements in director control mechanism for ordnance, torpedo tubes, and other apparatus involving differential correcting devices
  • Patent:GB292223 14.06.1928 Jonas Harald Faxen : Improvements in and relating to calculating discs
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  • Patent:GB292333 21.06.1928 Lewis, William Blomfield : Improvements in or relating to calculating devices for facilitating the setting out or centering of type-written or similar matter
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  • Patent:GB313128 07.07.1928 C. P. Goerz Optische Anstalt : Apparatus for mechanically solving right-angled triangles
  • Patent:GB295122 09.08.1928 Ploner, Friedrich : Improvements in astronomical calculating apparatus
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  • Patent:GB298173 24.09.1928 Anderson, Thomas Frederic ; OBrien, Henry; George Harry Brown, Bertram : Apparatus for mechanically producing a resultant of two or more curves
  • Patent:GB285456 18.10.1928 Tauschek, Gustav : Improvements relating to machines for the arithmetical calculation of the indications shown on perforated cards
  • Patent:GB295595 18.10.1928 Rheinmetall (Rheinische Metallwaaren und Maschinenfabrik) : Improvements relating to calculating machines
  • Patent:GB289055 25.10.1928 Tauschek, Gustav : Improvements in record-card-controlled statistical machines
  • Patent:GB290181 01.11.1928 Jean Ansermot : Apparatus for measuring surfaces
  • Patent:GB291023 24.11.1928 NV Nederlandsche Instrumenten-Compagnie : Improvements in devices for ascertaining the angular velocity of a shaft, coupled to a sighting device
  • Patent:GB302209 12.12.1928 Charles Henry Preston : Improvements in rules, measuring gauges and the like
  • Patent:GB272547 13.12.1928 Goldberg, Maximilian Meyer NCR : Improvements in or relating to cash registers and like accounting machines
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  • Patent:GB331895 13.02.1929 Henderson, Sir J. B.; Perham, A. L. : Improvements in Apparatus for Sighting and/or Controlling Guns particularly Anti-Aircraft Guns
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  • Patent:GB280955 19.02.1929 Tabulating Machine Company : Accounting machine for punching totals
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  • Patent:GB307975 18.03.1929 Turner Tanning Machinery Comp. : Improvements in or relating to area-measuring machines for leather and other sheet material
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  • Patent:GB309309 11.04.1929 Saunders Gervase Weir : An appliance for computing and indicating the effect of load and ballast on the draft and trim of marine vessels
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  • Patent:GB295699 30.04.1929 Burroughs Adding Machine Co : Improvements in or relating to printing mechanism for calculating machines
  • Patent:GB285383 13.05.1929 Nestle & Anglo Swiss Condensed : Improved means for ascertaining the percentage composition of substances after a given dilution, and vice versa
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