Patentdatenbank   USA   1951

• Patent:US2536267 02.01.1951 John T. Davidson Jesse R. Ganger James H. Crawford Herman F. Sadgebury NCR : Line spacing mechanism for accounting machines
• Patent:US2536512 02.01.1951 Nyberg, Ernst Vilhelm AB Cryptoteknik : Tens transfer mechanism for calculating machines
• Patent:US2536524 02.01.1951 Anderson, Walter Underwood Corp. : Front-feed device
• Patent:US2536837 02.01.1951 Edward J. Carey Lawrence D. Kilheffer NCR : Accounting machine
• Patent:US2536906 02.01.1951 Brand, Samuel, Cunningham, James IBM : Record controlled dividing machine
• Patent:US2536951 02.01.1951 Luhn, Hans P. IBM : Record controlled multiplying machine
• Patent:US2547063 03.01.1951 Turck, Joseph Abraham Valentine : Key-Driven Calculating Machine
• Patent:US2566835 04.01.1951 Herzstark, Curt Contina : Locking Device
• Patent:US2544426 06.01.1951 Herzstark, Curt : Visible Setting Control Mechanism for Calculating Machines
• Patent:US2537227 09.01.1951 Lundin, S. A. E. : Carriage Shift Mechanism
• Patent:US2537471 09.01.1951 Lydfors, John AB Dixma : Tens transfer device in calculating machines
• Patent:US2537580 09.01.1951 Garnier, E. F. G. : Servo Anemometer Device
• Patent:US2537718 09.01.1951 Graeme Trorey, Lyle : Photogrammetric apparatus
• Patent:US2538502 16.01.1951 Boehm, Paul F. : Cursor
• Patent:US2538826 23.01.1951 Avery, Harold Marchant : Calculating Machine
• Patent:US2538896 23.01.1951 Britten, E. F., Jr. : Multiplier Magazine
• Patent:US2538988 23.01.1951 Max E. Toby Philip R. Beutel John C. Wills : Predetermining counter
• Patent:US2539025 23.01.1951 Lobb, J. B. : Childs Instructional or Amusement Device
• Patent:US2539659 30.01.1951 Deutsch, Fritz Albert : Ordinal Trans-Setting Mechanism for Registers
• Patent:US2539948 30.01.1951 Ellerbeck, Grant Clawson Friden Calculating Machine Co., Inc. : Power-operated sign adjusting means
• Patent:US2539949 30.01.1951 Ericsson, Ruben : Cash register
• Patent:US2540111 06.02.1951 Glover, R. E. : Reflex Integraph
• Patent:US2540189 06.02.1951 John T. Davidson Paul E. Williams Laurence N. Lehman NCR : Accounting machine
• Patent:US2540198 06.02.1951 Frederick Gantner Joseph J. Klosterman John B. Geers NCR : Differential type setting means
• Patent:US2540226 06.02.1951 Samuel B. Williams NCR : Electromechanical storage mechanism
• Patent:US2540297 06.02.1951 Nadine Freeman Robert E. Boyden Clary Multiplier Corp. : Collapsible office machine frame
• Patent:US2540310 06.02.1951 Wolf, A. : Integration Device for Radioactivity Measurements
• Patent:US2540624 06.02.1951 Le Blanc, E. J. : Mechanism for Tallying Lumber
• Patent:US2540808 06.02.1951 Bliss, Harvey N. : Counting Mechanism
• Patent:US2540848 06.02.1951 Turner, F. L. A. : Curve Describing Instrument
• Patent:US2540942 06.02.1951 Grimes, W. G. : Variable Friction Gearing
• Patent:US2540989 06.02.1951 Newell, William : Motion Reproducing Device
• Patent:US2541161 13.02.1951 Lyndus E. Harper : Revolution counter casing
• Patent:US2541243 13.02.1951 Gruetjen Frederick A Smith Corp A O : Balance weight calculator
• Patent:US2541463 13.02.1951 Philip Cummins : Plastic adding machine
• Patent:US2541587 13.02.1951 Awdry Francis Julius George Alfred Julius Automatic Totalisators Ltd. : Adding unit for race totalizators
• Patent:US2541596 13.02.1951 Lopez Warren, Martin Gilbert : Roof-framing calculator
• Patent:US2541858 13.02.1951 Boehm, P. F. : Cursor with Lock
• Patent:US2542131 20.02.1951 Ubaldo Gatti Ing C. Olivetti und C. : Total transfer mechanism for calculating machines
• Patent:US2542235 20.02.1951 Mortimer L. Clopton : Indicating mechanism
• Patent:US2542658 20.02.1951 Garbell, Max Royal Typewriter Comp. : Selector mechanism for registering computing machines
• Patent:US2542943 20.02.1951 Emil Reiner : Time interval indicating calendar
• Patent:US2543313 27.02.1951 Joseph E. Dietzgen Eugene Dietzgen Co. : clip
• Patent:US2543872 06.03.1951 Hans Frederick Schaefer, Jr. Link Aviation Inc. : Computer for aviation trainers
• Patent:US2543899 06.03.1951 Dickinson, A. H. : Keyboard
• Patent:US2544126 06.03.1951 Baldwin, Richard Everest Powers Samas Account Mach Ltd : Calculating Machine
• Patent:US2544224 06.03.1951 Hachmuth, K. H. : Circular Slide Rule
• Patent:US2544389 06.03.1951 Lipkin, Charles : Aid for carrying out multiplication
• Patent:US2544863 13.03.1951 Svoboda, Antonin : Computing Linkage
• Patent:US2545364 13.03.1951 Kimes George B : Calculator for determining fish activity peaks
• Patent:USD162377 13.03.1951 Budlong Victor : Calculating Machine Casing
• Patent:US2545550 20.03.1951 Jordan, K. : Calculating Machine
• Patent:US2545555 20.03.1951 Perillo, F. J. : Pocket Adding Device
• Patent:US2545636 20.03.1951 Sundstrand, Oscar Underwood Corp : Printing and punching means for accounting machines
• Patent:US2545649 20.03.1951 Capellaro, Natale : Multifunction Control Key
• Patent:US2545935 20.03.1951 Louis Allen Warner : Navigational instrument
• Patent:US2546243 27.03.1951 Ralph Tarshis, Sophie Lehman, David Laub : Slide Rule with flexible calibrationcarrying element
• Patent:US2546641 27.03.1951 Llanso Francisco J : Draft calculator
• Patent:US2546836 27.03.1951 Robert L. Saloschin : Aircraft flight determining instrument
• Patent:US2546884 27.03.1951 Britten, E. F., Jr. : Function Control Mechanism
• Patent:US2546893 27.03.1951 Hilder, S. : Operating Control and Terminating Mechanism
• Patent:US2547955 10.04.1951 Marsh Hallock S : Vectorial and mathematical calculator
• Patent:US2548039 10.04.1951 Morgan, W. C. : Ellipse Compass
• Patent:US2548319 10.04.1951 Kenneth A. Osterberg : Navigation instrument and computer
• Patent:US2548478 10.04.1951 Kavanagh, F. W. : Apparatus for Counting Bacterial Colonies
• Patent:US2548553 10.04.1951 Neves, Alfred S. : Perpetual calendar
• Patent:US2548789 10.04.1951 Hergenrother, R. C. : Electronic Storage Device
• Patent:USD162779 10.04.1951 Robert E. Boyden Holland H. Freeman Clary Multiplier Corp. : Cash register
• Patent:USD162780 10.04.1951 Robert E. Boyden Nadine T. Freeman Clary Multiplier Corp. : Office machine
• Patent:US2549186 17.04.1951 Fleming, Howard M. Monroe Calculating Machine Comp. : Total taking means for calculating machines
• Patent:US2549512 17.04.1951 Hans Neumann-Lezius Ernst-Eberhard Wilberg Brunsviga Maschinenwerke AG : Punctuating device for registers
• Patent:US2549739 17.04.1951 Elmer L. Wise Underwood Corp. : Register control locking means for accounting machines
• Patent:US2550103 24.04.1951 George W. White Veeder-Root Inc. : Shutter mechanism
• Patent:US2550133 24.04.1951 George W. Allan : Bookkeeping machine
• Patent:US2550458 24.04.1951 Dresher Robert J : Tonnage calculator
• Patent:US2550581 24.04.1951 Mehan, Thomas O. Victor Adding Machine Co. : Credit balance mechanism fob calculating machines
• Patent:US2550675 01.05.1951 Wilfred A. Curtis : Game scoring device
• Patent:US2550786 01.05.1951 Lloyd N. Curtis : Column printing attachment for record controlled machines
• Patent:US2551093 01.05.1951 Bryce, James John N. Wheeler IBM : Combined typewriter and computing machine with accumulators of the relay type
• Patent:US2551440 01.05.1951 Kreitner, John : Computing apparatus
• Patent:USD163135 01.05.1951 K. R. Pangburn : Pocket Adding Apparatus
• Patent:USD163136 01.05.1951 K. R. Pangburn : Pocket Adding Apparatus Unit
• Patent:US2551690 08.05.1951 Rudolph J. Moser NCR : Dual control of differential mechanism for accounting machines
• Patent:US2551997 08.05.1951 Cody Therald E : Flight data calculator for airplanes
• Patent:US2552201 08.05.1951 Mixer, Harold P. Remington Rand Inc. :
• Patent:US2552760 15.05.1951 George Thomas Baker Automatic Electric Laboratories Inc. : Binary calculator
• Patent:US2552789 15.05.1951 Hopkins, G. W. : Key-Responsive Cycle Initiating Means
• Patent:US2553338 15.05.1951 George E. Shaw : Income tax computing chart
• Patent:US2553526 15.05.1951 Kenneth H. Chapple Raymond E. Kittredge Link Aviation, Inc. : Maximum available manifold pressure and brake horse power computer
• Patent:US2553653 22.05.1951 Graham William D : Time calculator
• Patent:US2553884 22.05.1951 Toorell, Sture : Overdraft Sensing and Control Mechanism for Crawl-Carry Accumulators
• Patent:US2554103 22.05.1951 Grip, Erik Konrad AB Åtvidaberg Facit : Clearing device in calculating machines
• Patent:US2555293 29.05.1951 Raymond, W. H. et al : Percentage and Profit Computer
• Patent:US2555728 05.06.1951 Bradt, Charles Smith and Corona Typewriters : Paper supporting, feeding, and severing means for calculating and the like machines
• Patent:US2555740 05.06.1951 Gollwitzer, Walter Addressograph-Multigraph Corp. : Tens-carry mechanism for
• Patent:US2556374 12.06.1951 Koechel, W. P. : Accumulating Means for Sequential Sampling
• Patent:US2556501 12.06.1951 Limyr, G. A. : Calculating Frame
• Patent:US2556762 12.06.1951 Lydfors, John : Selectively Operable Shiftable Totalizer Arrangement
• Patent:US2556803 12.06.1951 Eckman, D. P. : Flow Integrating Meter
• Patent:US2556806 12.06.1951 Gaire, P. E. Keuffel and Esser : Magnifying Runner for Slide Rules
• Patent:US2557457 19.06.1951 Nolde, G. V. : Multiplying Machine
• Patent:US2557478 19.06.1951 Gordon N. Smith Stereocraft Engineering Co. : Exposure indicator
• Patent:US2557585 19.06.1951 William Wockenfuss Control Instrument Comp. : Carry over mechanism for tabulators
• Patent:US2557804 19.06.1951 Robert H. Strother Remington Rand Inc : Means fob adapting decimal accumulators to nondecimal systems of notation
• Patent:US2557965 26.06.1951 Joseph Hilsenrath Samuel Globe : Azimuth computer
• Patent:US2558425 26.06.1951 Droz, Marcel E. USA, Secretary of the Navy : Equation solver
• Patent:US2558457 26.06.1951 Pekar, Frank : Computator
• Patent:US2558458 26.06.1951 Pitman, Henry Underwood Computing Machine Com. : Combined typewriting and computing machine
• Patent:US2558631 26.06.1951 Heinrich Suter H.W. Egli AG : Decimal-transfer mechanism in calculating machines
• Patent:US2558646 26.06.1951 Egli, Rudolf Reuge and Cie : Calculator for determining maximum cutting speeds of machine tools
• Patent:US2558721 03.07.1951 Allen, P. A. et al : Optical Value-Comparing and Operation Control Mechanism
• Patent:US2558950 03.07.1951 Grip, Erik Konrad Ahtiebolaget Facit : Full-stroke mechanism
• Patent:US2558953 03.07.1951 William Henninger Herbert J. Hollsberg IBM : Record controlled register
• Patent:US2559723 10.07.1951 Anthony R. Litrell : Signalling counter
• Patent:US2559820 10.07.1951 Hopkins, G. W. : Keyboard Sealing Means
• Patent:US2560590 17.07.1951 John M. Ocker : Instrument for ship zigzag operations
• Patent:US2560910 17.07.1951 Toorell, Sture et al Facit : Automatic Multiplying Machine
• Patent:US2561020 17.07.1951 Gerber, Heinz Joseph : Instrument for Measuring, Interpolating and the like
• Patent:US2561263 17.07.1951 Babcock, F. A. : Printers Calculator and Circular Slide Rule
• Patent:US2561552 24.07.1951 Anderson, Walter Underwood Corp. : Power carriage return mechanism and safety features
• Patent:US2561646 24.07.1951 Benninger, Eugen Precisa : Setting device for the type levers in calculating machines
• Patent:US2561794 24.07.1951 Lawrence E. Gurney : Great circle navigation instrument
• Patent:US2562049 24.07.1951 Lambert, H. L. : Calculating Machine
• Patent:US2562172 31.07.1951 Campos, Francisco Societe Civil des Brevets Logabax : Calculating machine
• Patent:US2562232 31.07.1951 Karl J. Braun Control Instruments Comp. Inc. : Card analyzer and printing means in a tabulator
• Patent:US2562251 31.07.1951 William Wockenfuss Control Instrument Comp. : Card analyzing mechanism for tabulators
• Patent:US2563110 07.08.1951 Grundlehner, E. : Calculating Device
• Patent:US2563512 07.08.1951 Bock, R. G. : Slide Rule for Indicating Productivity of Operator or Machine and/or the Quality Level of a Process
• Patent:US2563668 07.08.1951 Walter Abel Measure Meters Ltd. Dobson & Barlow Ltd. : Counting apparatus
• Patent:USD164150 07.08.1951 S. A. Ayres : Tax Computer
• Patent:US2563840 14.08.1951 Hundhausen, Robert : Spherical triangle calculator
• Patent:US2564144 14.08.1951 Thomas Desmond Hudson Andrews Davis, Wynn & Andrews Ltd. : Counting mechanism
• Patent:US2564227 14.08.1951 Pepper, P. M. : Calculating Device
• Patent:US2564616 14.08.1951 Joseph Telasco : Slide Rule
• Patent:US2564991 21.08.1951 Paul Robert H : Calculator
• Patent:US2565266 21.08.1951 Potts, L. M. : High-Speed Photoelectric Transmitter
• Patent:US2565295 21.08.1951 Arthur Leon Booten Underwood Corp. : Paper feeding mechanism for accounting machines
• Patent:US2567098 04.09.1951 Boyden, Robert E. Clary Multiplier Corp. : Carrying means for office machine
• Patent:US2567120 04.09.1951 Nolde, G. V. : Value Indexing Mechanism
• Patent:US2567133 04.09.1951 Studley, C. K., Jr. Marchant : Decimal Indicator
• Patent:US2567246 11.09.1951 Spilhaus Athelstan F : Calculator
• Patent:US2567882 11.09.1951 Goyan Frank M Jean Dufrenoy : Graphical calculator
• Patent:US2568350 18.09.1951 Mehan, Thomas O. Victor Adding Machine Co. : Control means for differential actuators
• Patent:US2568616 18.09.1951 Gourdon, R. : Differential Actuating Mechanism for Calculating Machines
• Patent:US2568617 18.09.1951 Gourdon, R. : Detachable Denominationally Composite Keyboard and Differential Actuator Units
• Patent:USD164609 18.09.1951 Studley Marchant : Register Carriage Cover for a Calculating Machine
• Patent:US2568709 25.09.1951 Bliss, Harvey N. Veeder-Root Inc. : Counter mechanism
• Patent:US2569099 25.09.1951 Herzstark, Curt : Yieldable lapping plate
• Patent:US2569202 25.09.1951 Solomon, C. : Slide Rule
• Patent:US2569295 25.09.1951 [[Witt, W. L. de] : Computing Instrument
• Patent:US2569454 02.10.1951 Cole, D. L. : Slide Rule
• Patent:US2569466 02.10.1951 Fischer, Karl A. : Calculator
• Patent:US2569505 02.10.1951 Thrash, M. C. : Navigational Computer
• Patent:US2569508 02.10.1951 Webb, Christopher Frederick Plus adder, Bell Punch Company, UK : Key-Operated Calculator
• Patent:US2569804 02.10.1951 Deutsch, Fritz Albert : Calculating Machine
• Patent:US2569830 02.10.1951 Rabenda, Edward J. IBM : Accounting machine with means for handling positive and negative balances
• Patent:US2570068 02.10.1951 Niemann, Frederick Felt und Tarrant Mfg. Comp. : Keyboard interlock for calculating machines
• Patent:US2570410 09.10.1951 Otto B. Vetter Hagan Corp. : Compensated measuring apparatus
• Patent:US2570456 09.10.1951 Karr, C. P. : Valve Indexing Mechanism
• Patent:US2570642 09.10.1951 Cherymisin Gerald L : Slide Rule pencil
• Patent:US2570931 09.10.1951 Fleming, Howard M. Monroe Calculating Machine Comp. : Printing tabulating mechanism
• Patent:US2571038 09.10.1951 Linus Wilhelm Högberg : Trigonometric instrument
• Patent:US2572531 23.10.1951 Steinkoenig, C. A. : Dividend Figuring Slide Rule
• Patent:US2572784 23.10.1951 Anton Van Veen : Hand-operated counter or tally
• Patent:US2572811 23.10.1951 Jullien, P. J. L. : Calculating Machine
• Patent:US2572920 30.10.1951 Gang, Herman Monroe : Operation Control Means
• Patent:US2572921 30.10.1951 Gang, Herman Monroe : Operation Control Means
• Patent:US2572922 30.10.1951 Gang, Herman Monroe : Stopping Means for Calculating Machines
• Patent:US2573022 30.10.1951 Walter Homan NCR : Operation control means for calculating machines
• Patent:US2573194 30.10.1951 Jean Goldsmith, Leo : Rapid calculator for traverse tables
• Patent:US2573312 30.10.1951 Jonas E. Dayger Orville B. Shafer Alvin E. Gray IBM : Combination of card controlled machines
• Patent:US2573385 30.10.1951 Nils Olof Bergquist : Time computing machine
• Patent:US2573508 30.10.1951 Sundstrand, Oscar Underwood Elliott-Fisher Corp. : Fugitive one mechanism for typewriting and accounting machines
• Patent:US2573581 30.10.1951 Clair D. Lake Wesley Pfaff Donald R. Piatt IBM : Storage unit
• Patent:US2573934 06.11.1951 Seymour, Arthur Remington Rand Inc : Totalizer selector means for computing and recording machines
• Patent:USD165068 06.11.1951 Lurelle V.A. Guild Underwood Corp. : Accounting machine
• Patent:US2574464 13.11.1951 Christie William : Ellipsograph
• Patent:US2574570 13.11.1951 Charles J. Kidder Link Aviation Inc. : Flight computer for grounded aviation trainers
• Patent:US2575288 13.11.1951 Nielsen, J. N. : Slide Rule
• Patent:US2575328 20.11.1951 Felix Bardach : Calculating or computing device
• Patent:US2575555 20.11.1951 La Plante, Paul W. : Perpetual calendar
• Patent:US2575866 20.11.1951 Valle-Arizpe, H. A. de : Calculating Machine
• Patent:US2575929 20.11.1951 Roesholm, Elizabeth : Perpetual calendar
• Patent:US2575951 20.11.1951 Gilbert, R. W. : Integrating Apparatus
• Patent:USD165220 20.11.1951 E. P. E. Deschamps : Fertility Slide Rule
• Patent:US2576149 27.11.1951 Sharp, John V. : Spherical triangle computer
• Patent:US2576452 27.11.1951 Field, O. S. et al : Airplane Approach Control System
• Patent:US2576598 27.11.1951 John H. Gruver Addressograph-Multigraph Corp. : Printing mechanism for cash registers
• Patent:US2577395 04.12.1951 Louis E. Zurbuchen NCR : Autographic register
• Patent:US2578705 18.12.1951 Johnson Sheldon : Calculating Machine
• Patent:US2579019 18.12.1951 Smidl Joseph J : Characteristic accumulator for Slide Rule cursors
• Patent:US2579220 18.12.1951 Vine, A. C. : Apparatus for Indicating Ballast Changes Necessary to Maintain Submersed Submarines in Trim
• Patent:US2579535 25.12.1951 Aurbach, Kurt Anker Werke AG : Type wheel adjusting mechanism
• Patent:US2580295 25.12.1951 Marion W. Grigsby Thomas O. Mehan Bertram J. Grigsby : Partial product machine
• Patent:US2580298 25.12.1951 Moody, John, Hopkins, George Friden : Automatic stop for calculating machines
• Patent:USD165557 25.12.1951 Sinel Marchant : Calculating Machine
• Patent:USD165564 25.12.1951 A. Van Veen : Counter

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