Patent

Patentdatenbank USA 1950

Patent:US2493786 10.01.1950 Swift, Gilbert : Mechanical position finder
Patent:US2493792 10.01.1950 Cecil Thomas Walmsley : Reckoning device
Patent:US2493799 10.01.1950 Anderson, Walter (P) Underwood (P) Corp. : Load equalizing for differential actuators
Patent:US2493862 10.01.1950 Benjamin M. Durfee IBM (P) : Dividing machine
Patent:US2494291 10.01.1950 James P. Fay Predictor Corp. : Rhythmic Cycle Indicator
Patent:US2494536 17.01.1950 Atwood Newell : Radio communication graphic calculator
Patent:US2494609 17.01.1950 Carlo Dalboni : Calculator
Patent:US2494955 17.01.1950 Mayer, Erwin; Coles, Joseph F. Neptune Meter Comp. : Resettable register
Patent:US2495139 17.01.1950 Samuel P. Saint General Railway Signal Comp. : Means for airplane approach control
Patent:US2495140 17.01.1950 Oscar S. Field Sedgwick N. Wight Ralph W. Hewes General Railway Signal Comp. : Airplane approach control system
Patent:US2495777 31.01.1950 William C. Schroeder : Pilotage computer
Patent:US2496357 07.02.1950 Clifton King Rainey Rainey Accounting Machine Comp. : Typing and printing mechanism for accounting machines and the like
Patent:US2496614 07.02.1950 Arni Arnason : Ellipsograph
Patent:US2496942 07.02.1950 Hill Keith A : Calculating Device
Patent:US2497208 14.02.1950 Coggeshall, Norman D. Gulf Research Development Comp. : Electrical logarithm computer
Patent:US2497264 14.02.1950 Klosterman, Joseph J. (P) NCR (P) : Record material equipment for cash registers
Patent:US2498308 21.02.1950 Svoboda, Antonin (P) : Mechanical computer
Patent:US2498309 21.02.1950 Svoboda, Antonin (P) : Multiplying linkage
Patent:US2498310 21.02.1950 Svoboda, Antonin (P) : Multiplying linkage
Patent:US2498311 21.02.1950 Svoboda, Antonin (P) : Mechanical divider
Patent:US2498312 21.02.1950 Svoboda, Antonin (P) : Multiplying and dividing linkage
Patent:US2499237 28.02.1950 Fink Melvin M Franklin Veatch : Adding device
Patent:US2499407 07.03.1950 : Attachment for converters
Patent:US2499678 07.03.1950 Phillips, Edmund J. : Calendar
Patent:US2500269 14.03.1950 Horace S. Beattie Francis E. Hamilton George F. Daly IBM (P) : Accumulating mechanism
Patent:US2501444 21.03.1950 Gollwitzer, Walter (P) Addressograph Multigraph : Calculating Machine
Patent:US2502919 04.04.1950 Samuel Brand James M. Cunningham Leon C. Bishop IBM (P) : Accumulator for accounting machines
Patent:US2503004 04.04.1950 Edward J. Sochaczewski IBM (P) : Unit carry device fob accumulators
Patent:US2503127 04.04.1950 Mumma Robert E NCR (P) : Electric impulse generator for calculating machines
Patent:US2503332 11.04.1950 Grip, Erik Konrad (P) AB Facit (P) : Differential gear tens transfer device
Patent:US2503387 11.04.1950 Hartwig Karl T Universal Oil Prod Co : Electrical Calculating Apparatus
Patent:US2503800 11.04.1950 Christian, Raymond A. (P) NCR (P) : Tens transfer mechanism for totalizers
Patent:US2503805 11.04.1950 John T. Davidson Jesse R. Ganger James H. Crawford Herman F. Sadgebury NCR (P) : Record material equipment for accounting machines
Patent:US2503865 11.04.1950 Christian, Raymond A. (P) NCR (P) : Differential setting mechanism for printing machines
Patent:US2503932 11.04.1950 Marie Barbey Raymond Alphonse : Electric Calculating Machine
Patent:US2504532 18.04.1950 Kahan, Benedict D. : Calculating device
Patent:US2505149 25.04.1950 Schoenberg Virgil A : Trigonometric calculator
Patent:US2505341 25.04.1950 Rankin, Ira F. : Perpetual calendar
Patent:US2506251 02.05.1950 Miller Thomas Joseph : Spherical calculator
Patent:US2506337 02.05.1950 Boyden, Robert E. (P) Clary (P) Multiplier Corp. : Cover section for oscillating type wheels
Patent:US2506390 02.05.1950 John R. Sears : Percentage computation aid apparatus
Patent:US2506876 09.05.1950 Awdry Francis Julius George Alfred Julius Automatic Totalisators Ltd. : Odds computing device for race totalizators
Patent:US2506888 09.05.1950 Patterson, Alfe : Perpetual calendar
Patent:US2507498 16.05.1950 Brown, Francis (P) : Valve actuating means for hydraulic nomographic multipliers
Patent:US2508838 23.05.1950 James T. Roberts : Solar azimuth protractor
Patent:US2508898 23.05.1950 Albert H. Stronstorff Reynolds Metals Comp. : Aircraft flight time and mileage computer
Patent:US2509493 30.05.1950 Henry Gross Samuel Gross : Key operated actuator mechanism for cash registers
Patent:US2509718 30.05.1950 Marie Barbey Raymond Alphonse : Electric calculator for studying correlative variations of quantities interconnectedby a system of mathematical relations forming a double e
Patent:US2510228 06.06.1950 Jenman Alfred G Lora Mildred Jenman : Calculating Device
Patent:US2511555 13.06.1950 William R. Wenzel Thomas A. Laquidara Joseph C. Sirkin : Menstrual calendar device
Patent:US2512184 20.06.1950 James L. Suydam : Aerial navigation computer
Patent:US2512446 20.06.1950 Joseph Spielmann : Combined and perpetual indicator of the menstrual cycle
Patent:US2512915 27.06.1950 Arthur Randolph Boutwell : Fertility and sterility indicator
Patent:US2513196 27.06.1950 Park L. Morse : Rhythm calculator
Patent:US2513491 04.07.1950 James D. Killough : Calculator
Patent:US2513878 04.07.1950 Robert R. Kelley Richard E. Schenck : Built-in-flash calculator for flash
Patent:US2514174 04.07.1950 Charles W. Adshead Setright Registers Ltd. : Totalizator registers
Patent:US2514770 11.07.1950 Raymond E. Kittredge Link Aviation, Inc. : Computer for grounded aviation trainers for converting indicated air speed to true air speed and vice versa
Patent:US2514788 11.07.1950 Martin L. Nelson Production Instrument Comp. : Zero-reset device for numerical counters
Patent:US2515995 18.07.1950 George E. Ford Powers-Samas Accounting Machines Ltd. : Pabtial product multiplying machine
Patent:US2516032 18.07.1950 Arthur Thomas Powers Samas Account Mach Ltd : Actuator for accumulators in calculating machines
Patent:US2517793 08.08.1950 John B. Lancaster : Menstrual cycle indicating device
Patent:US2518063 08.08.1950 Rabenda, Edward J. (P) Ralph E. Page Horace S. Beattie IBM (P) : Sub and grand total printing, resetting, and amount transfer mechanism
Patent:US2518358 08.08.1950 Mixer, Harold P. (P) Remington (P) Rand Inc : Crawl carry mechanism
Patent:US2519699 22.08.1950 Peterson Walter A : Rapid calculator for use with carpenters square
Patent:US2520208 29.08.1950 Abraham Green : Sterility Slide Rule
Patent:US2520428 29.08.1950 Parameswar Nilakantan : Center of gravity calculator
Patent:US2520904 05.09.1950 Boehm Jr Alfred A : Calculator
Patent:US2521408 05.09.1950 Rabenda, Edward J. (P) Ralph E. Page Horace S. Beattie IBM (P) : Accounting machine for repeating total printing cycle when error in accumulator reset is ascertained
Patent:US2521418 05.09.1950 Marcel Sens-Olive IBM (P) : Multiplying device
Patent:US2521915 12.09.1950 Hartig Henry E : Calculator
Patent:US2521930 12.09.1950 William D. McPartlin : Trig-meter
Patent:US2523206 19.09.1950 Fluette, Joseph B.A. : Perpetual calendar
Patent:US2523453 26.09.1950 Starr James H : Calculating Table and the like
Patent:US2523589 26.09.1950 Harold W. Peterson : Time and distance computer
Patent:US2523768 26.09.1950 Knut Andreas Knutsen : Keyboard for electrically controlled accounting or card punching machines
Patent:US2526730 24.10.1950 Charles Christen : Decimal point locator for slide
Patent:US2526734 24.10.1950 John T. Davidson Paul H. Williams Jesse R. Ganger James H. Crawford NCR (P) : Accounting machine
Patent:US2527241 24.10.1950 Boyden, Robert E. (P) Wharton A. Parsons Clary (P) Multiplier Corp. : Item counter for computing machines
Patent:US2527282 24.10.1950 Vetter Otto B Hagan Corp : Calculating Linkage
Patent:US2527776 31.10.1950 Laurence Taaffe John : Slide Rule
Patent:US2528010 31.10.1950 Lothman Victor O : Calculator
Patent:US2528100 31.10.1950 Williams Samuel B Bell Telephone Labor Inc : Electronic Calculator
Patent:US2528149 31.10.1950 Richard A. Kraft : Adding machine
Patent:US2528633 07.11.1950 Anderson Guy : Roofing and calculating square
Patent:US2528647 07.11.1950 Garbell, Max (P) Royal Typewriter (P) Comp. : Computing machine
Patent:US2529601 14.11.1950 Freehafer John E Gen Railway Signal Co : Flight calculator for airplanes
Patent:US2529747 14.11.1950 Toorell, Sture (P) AB Facit (P) : Aligning means for crawl-carry transfer mechanisms
Patent:US2530191 14.11.1950 André Philippe Clouez : Calculating apparatus
Patent:US2530515 21.11.1950 Ellerbeck, Grant C. Friden (P) Calculating Machine Co., Inc. : Value selecting and entering mechanism
Patent:US2531633 28.11.1950 Elmer F. Laurin : Interest computing device
Patent:US2531932 28.11.1950 Brown Dayton R E : Light and sun position calculator
Patent:US2532819 05.12.1950 Morse Park L : Rhythm cycle calculator
Patent:US2533408 12.12.1950 Wilbur Allro Steward : Multiplying apparatus
Patent:US2533443 12.12.1950 Farbman, William (P) : Computing Device
Patent:US2533569 12.12.1950 Jovino A. Espinola : Calculator
Patent:US2534601 19.12.1950 Jensen, Willard : Triangle calculator
Patent:US2535119 26.12.1950 Bush William E : Calculator
Patent:US2535178 26.12.1950 Wilbur E. Walker : Auxiliary keyboard
Patent:US2535208 26.12.1950 Hoover Richard : Moment of inertia calculating device
Patent:US2535431 26.12.1950 John B. Lancaster : Menstrual cycle indicating device
Patent:US2535743 26.12.1950 Lundahl Carl A : Tray attachment for adding machines, typewriters, and the like
Patent:US2918211 29.07.1950 Llorens, Louis M. (P) : Calculating Machine
Patent:USD158647 23.05.1950 Butler, Thomas M. (P) Burroughs (P) Adding Machine Comp. : Accounting machine
Patent:USD159808 22.08.1950 William Clair Haring : Canasta scorer
Patent:USD160722 31.10.1950 George H. Kress Carl W. Sundberg IBM (P) : Card controlled accounting machine
Patent:USRe23244 20.06.1950 Ferdinand J. Tillman : Typewriter calculating machine
Patent:USRe23259 22.08.1950 Moody, John L. (P) Friden (P) Calculating Machine Co. : Calculating machine
Patent:USRe23260 22.08.1950 Moody, John L. (P) Friden (P) Calculating Machine Co. : Calculating machine

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Patentdatenbank USA 1950