Patent

Patentdatenbank USA 1931

Patent:US1787489 06.01.1931 Robert L. Muller Burroughs (P) Adding Machine Co. : Carriage equipment for accounting machines
Patent:US1787721 06.01.1931 Carroll, Fred M. (P) Tabulating Machine (P) Company : Printing mechanism for accounting machines
Patent:US1787889 06.01.1931 J. H. White : Adding Machine
Patent:US1788192 06.01.1931 Hamann, Christel (P) DeTeWe (P) : Computing machine
Patent:US1788376 13.01.1931 Barrett, Glenn (P) Portable Adding Machine Compan : Ribbon feeding and reversing mechanism for adding machines
Patent:US1789418 20.01.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1790569 27.01.1931 J. Asper : Slide Rule
Patent:US1790790 03.02.1931 Breitling, Ernst (P) Fried. Krupp (P) AG : Zero printing device
Patent:US1791265 03.02.1931 Frederick Dame Burroughs (P) : Key mechanism for calculating machines
Patent:US1791675 10.02.1931 Kottmann, August (P) Rheinmetall (P) (Rheinische Metallwaaren und Maschinenfabrik) : Drive for the stepped drums of calculating machines
Patent:US1791762 10.02.1931 Peirce, John Royden (P) IBM (P) : Tabulating machine
Patent:US1791875 10.02.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1791905 10.02.1931 Robertson, William (P) NCR (P) : Cash register
Patent:US1791907 10.02.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1792047 10.02.1931 Jesse A.B. Smith Elliott-Fisher (P) Comp. : Combined typewriting and computing machine
Patent:US1792232 10.02.1931 Lee, Royal B. : Calendar
Patent:US1792391 10.02.1931 Overbury, Austin A. (P) : Register
Patent:US1792569 17.02.1931 Breitling, Ernst (P) Krupp (P) AG : Differential mechanism for cash registers and calculating machines
Patent:US1792644 17.01.1931 Kuhrt, Ernst (P) : Calculating Machine
Patent:US1793155 17.02.1931 E. F. Britten Jr. : Calculating Machine
Patent:US1793795 24.02.1931 Green, Charles (P) Remington (P) Arms Comp. : Cash register
Patent:US1794514 03.03.1931 Chase, George Clinton (P) Monroe (P) : Driving mechanism for calculating machines
Patent:US1795115 03.03.1931 Green, Charles (P) Raymond E. Rice Remington (P) Arms Comp. : Cash register
Patent:US1795509 10.03.1931 Robertson, William (P) NCR (P) : Cash register
Patent:US1797699 24.03.1931 Schmidt, Hermann (P) Rheinmetall (P) : Step toothed drum calculating machine
Patent:US1798329 31.01.1931 Kuhrt, Ernst (P) : Totalizer for Calculating Machine
Patent:US1798589 31.03.1931 E. S. Cole : Flow Recording and Registering Device
Patent:US1798610 31.03.1931 Lasker, William Walter (P) Remington (P) Rand Inc : Back space and column normalizing mechanism for card perforating machines
Patent:US1798953 31.03.1931 Otto Rennicke : Magnifying device
Patent:US1799037 31.03.1931 F. Bley : Mechanism for Adjusting Decimal Signs in Calculating Machines
Patent:US1799134 31.03.1931 A. C. Hardy Gen Electric : Mechanical Integrating Device
Patent:US1799328 07.04.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1799329 07.04.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1799330 07.04.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1800197 14.04.1931 Harrison O. Blaisdell Elliott-Fisher (P) Comp. : Combined typewriting and computing machine
Patent:US1800865 14.04.1931 Landsiedel, Harry (P) Remington Rand (P) : Combined cash register and adding machine
Patent:US1801484 21.04.1931 John Bricken Monroe (P) Calculating Machine Comp. : Keyboard for calculating machines
Patent:US1801902 21.04.1931 E. F. Britten, Jr. : Calculating Machine
Patent:US1802440 28.04.1931 G. H. Morse : Calculating Machine
Patent:US1802603 28.04.1931 O. G. Herm : Engineers Instrument
Patent:US1802927 28.04.1931 Rinsche, Frank Charles (P) : Calculating Machine
Patent:US1802969 28.04.1931 Jerome Fee Daniel : Stadia calculator
Patent:US1802974 28.04.1931 C. W. Gooch et al : Calculating Machine
Patent:US1803185 28.04.1931 M. P. Hendricks : Calculating Device
Patent:US1803464 05.05.1931 A. S. Dennis : Attachement for Calculating Machines
Patent:US1803959 05.05.1931 Carroll, Fred M. (P) IBM (P) : Tabulating machine
Patent:US1804460 12.05.1931 Raymond Cordier : Chord finder
Patent:US1804650 12.05.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1804736 12.05.1931 Barrett, Glenn (P) Portable Adding Machine Compan : Manual paper feeding mechanism for adding machines
Patent:US1805060 12.05.1931 Walter, Edward C. (P) Monroe (P) Calculating Machine Comp. : Calculating machine
Patent:US1805061 12.05.1931 E. C. Walter : Register
Patent:US1806070 10.05.1931 Conrad Luttropp Anders Lindahl : Calculating machine
Patent:US1806756 26.05.1931 Dana E. Harding Harding-Walcott Comp. : Leather grading machine
Patent:US1806763 26.05.1931 G. L. McCarthy : Photographing Apparatus
Patent:US1807192 26.05.1931 E. F. Britten, Jr. : Attachement for Calculating Machines
Patent:US1807627 02.06.1931 Lasker, William Walter (P) Remington (P) Rand Inc : Carriage return for punching machines
Patent:US1808213 02.06.1931 Eichenauer, Konrad (P) Rheinmetall (P) (Rheinische Metallwaaren und Maschinenfabrik) : Calculating machine for all species
Patent:US1808398 02.06.1931 Brand, Samuel (P) NCR (P) : Cash register
Patent:US1808432 02.06.1931 Peirce, John Royden (P) IBM (P) : Accounting machine
Patent:US1808720 02.06.1931 Hans Huber : Counting mechanism for calculating machines and the like
Patent:US1808934 09.06.1931 Pasinski, Walter (P) Burroughs (P) Adding Machine Comp. : Calculating machine
Patent:US1808981 09.06.1931 Glass Clifton A : Calculating Device
Patent:US1810213 16.06.1931 Johantgen, Oliver David (P) Victor (P) Adding Machine Co. : Calculating machine
Patent:US1810317 16.06.1931 Lasker, William Walter (P) Remington (P) Rand Inc : Clutch mechanism for card punches
Patent:US1810737 16.06.1931 Sundstrand, Oscar (P) Sundstrand (P) Corp. : Cash register
Patent:US1811227 23.06.1931 Foothorap, Harry Arthur (P) Elliott-Fisher (P) Comp. : Key and actuator lock for writing adding machines
Patent:US1811353 23.06.1931 Friden, Carl Mauritz Fredrick (P) : Calculating Machine
Patent:US1811397 23.06.1931 L. W. Langford : Record Making Mechanism
Patent:US1811607 23.06.1931 E. F. Britten, Jr. : Calculating Machine
Patent:US1811688 23.06.1931 Percy Willis Gray Vickers (P) Ltd. : Apparatus for use in the laying op antiaircraft guns
Patent:US1811840 30.06.1931 Barrett, Glenn (P) Portable Adding Machine Compan : Adding Machine
Patent:US1812020 30.06.1931 Robertson, William (P) NCR (P) : Cash register
Patent:US1812129 30.06.1931 Barrett, Glenn (P) Portable Adding Machine Compan : Calculating mechanism for adding and listing machines
Patent:US1812130 30.06.1931 Barrett, Glenn (P) Portable Adding Machine Compan : Adding and listing machine
Patent:US1812161 30.06.1931 Orin Mapel Clarence Portable Adding Machine Compan : Printing Mechanism for Calculating Machines
Patent:US1812194 30.06.1931 Brand, Samuel (P) NCR (P) : Cash register
Patent:US1812838 30.06.1931 Bryce, James (P) Tabulating Machine (P) Company : Printing mechanism for accounting machines
Patent:US1813037 07.07.1931 Emil John Ens Ellis (P) Adding Typewriter Comp. : Rack controlling means for calculating machines
Patent:US1813534 07.07.1931 Ford, Hannibal (P) Ford Instrument Comp. Inc. : Fire control system
Patent:US1813830 07.07.1931 Bernhard Weiner : Calculating Machine
Patent:US1814009 14.07.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1814462 14.07.1931 Trenor Albert und John Hays Hammond : Torpedo course calculator
Patent:US1814708 14.07.1931 Knotz, Alois (P) : Feed device for the paper strip of adding machines and cash registers
Patent:US1815352 21.07.1931 Emil John Ens Ellis (P) Typewriter Co. : Automatic accumulator selector for calculating machines
Patent:US1815997 28.07.1931 Downs Williams Clyde : Keyboard for perforating, adding, and calculating machines
Patent:US1816263 28.07.1931 Robertson, William (P) NCR (P) : Cash register
Patent:US1816950 04.08.1931 A. E. Young : Measuring Apparatus
Patent:US1816957 04.08.1931 H. Chrisman et al : Fluid Meter
Patent:US1817221 04.08.1931 C. A. Young : Combination Lock Adding Bank
Patent:US1817434 04.08.1931 Bryce, James (P) Tabulating Machine (P) Company : Tabulating machine
Patent:US1817451 04.08.1931 Gubelmann, William S. (P) : Calculating machine
Patent:US1817501 04.08.1931 Hermann Adalbert Weinlich Tabulating Machine (P) Company : Printing mechanism for accounting machines
Patent:US1817770 04.08.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1817815 04.08.1931 Green, Charles (P) Remington (P) Arms Comp. Inc. : Cash register
Patent:US1817816 04.08.1931 Green, Charles (P) Remington (P) Arms Comp. Inc. : Cash register
Patent:US1817824 04.08.1931 George Jakopec Josip Samu : Magic cards and planetary calculator
Patent:US1817883 04.08.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1818338 11.08.1931 Kropff, Wilhelm (P) NCR (P) : Cash register
Patent:US1818425 11.08.1931 Niemann, Frederick (P) Felt und Tarrant (P) Mfg. Co. : Calculating machine
Patent:US1818473 11.08.1931 Goldberg, Maximilian Meyer (P) NCR (P) : Auditing machine
Patent:US1818548 11.08.1931 Friden, Carl Mauritz Fredrick (P) : Calculating Machine
Patent:US1818790 11.08.1931 Chase, George Clinton (P) : Calculating Machine
Patent:US1819042 18.08.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1819066 18.08.1931 Bernau, Frederick (P) Ellis (P) Adding Typewriter Comp. : Overdraft numeral key locking mechanism
Patent:US1819067 18.08.1931 Bernau, Frederick (P) Ellis (P) Adding Typewriter Compan : Overdraft and signal printing mechanism for calculating machines
Patent:US1819068 18.08.1931 Bernau, Frederick (P) Ellis (P) Adding Typewriter Compan : Overdraft and signal printing mechanism for calculating machines
Patent:US1819084 18.08.1931 Emil John Ens Ellis (P) Typewriter Co. : Quadruplex accumulator calculating machine
Patent:US1819088 18.08.1931 Goldberg, Maximilian Meyer (P) NCR (P) : Speed control switch for cash registers
Patent:US1819921 18.08.1931 Elbert G. Rice : Interest calculator
Patent:US1821089 01.09.1931 Carroll, Fred M. (P) Tabulating Machine (P) Company : Selective column tabulating machine
Patent:US1821339 01.09.1931 Charles W. Green Remington Arms Comp. Inc. : Cash register
Patent:US1821870 01.09.1931 Herbert Addison William Blaine Luard : Navigating instrument
Patent:US1821968 08.09.1931 Percy Willis Gray Vickers (P) Ltd. : Apparatus for use in the fire control of antiaircraft guns
Patent:US1822031 08.09.1931 Hoffmeister, Hermann (P) : Calculating Machine
Patent:US1822156 08.09.1931 Lasker, William Walter (P) Remington (P) Rand Inc : Printing tabulator
Patent:US1822457 08.09.1931 Kenneth Ferguson-Roberts : Harmony calculator
Patent:US1822594 08.09.1931 Lake, Clair (P) Tabulating Machine (P) Company : Tabulating machine
Patent:US1823262 15.09.1931 Errera, Attilio SIR - Società Italiana Registratori : Computing Machine
Patent:US1823552 15.09.1931 Luttropp, Conrad (P) : Calculating Machine
Patent:US1823715 15.09.1931 von Reppert, Richard (P) Elliott-Fisher (P) Comp. : Combined typewriting and computing machine
Patent:US1823859 15.09.1931 Hosack, Francis (P) : Calculating Machine
Patent:US1824382 22.09.1931 Joseph H. Taylor Frank R. Bradford : Mechanical computer
Patent:US1824581 22.09.1931 Charles A. Tripp Tabulating Machine (P) Company : Punched card accounting machine
Patent:US1825444 29.09.1931 Alfons Dietrich : Ellipsograph
Patent:US1825783 06.10.1931 Dunning, William (P), Ray Middleton McCaskey Register Company : Adding Machine
Patent:US1826291 06.10.1931 Robert H. Strother Remington (P) Accounting Machine Comp. : Calculating machine
Patent:US1826520 06.10.1931 Edward M. McGowan : Tally device
Patent:US1826878 13.10.1931 H. Hanson : Combined Typewriting and Computing Machine
Patent:US1826901 13.10.1931 Shipley, Bernis (P) NCR (P) : Cash register
Patent:US1827128 13.10.1931 Wege Peter M Metal Office Furniture Company : Calculator desk construction
Patent:US1827259 13.10.1931 Peirce, John Royden (P) Tabulating Machine (P) Company : Card Feeding mechanism
Patent:US1827812 20.10.1931 Ford, Hannibal (P) Ford Instrument Comp., Inc. : Range and bearing keeper
Patent:US1827836 20.10.1931 Boutet, René Edmond : Electrical calculating machine
Patent:US1827837 20.10.1931 Chase, George Clinton (P) : Calculating Machine
Patent:US1827890 20.10.1931 Horton, Allen (P) Burroughs (P) : Calculating Machine
Patent:US1828180 20.10.1931 Gardner, Clyde (P) Gardner (P) Comp. : Calculating machine
Patent:US1828807 27.10.1931 Robert E. Kennedy : Compass course and ground speed indicator
Patent:US1828954 27.10.1931 Sylvester Blackburn Mcmaster Geophysical Petroleum Corp : Gravity calculator
Patent:US1829036 27.10.1931 L. A. Biehler : Integrating Device
Patent:US1829084 27.10.1931 Breitling, Ernst (P) Fried. Krupp (P) AG : Blocking the setting means of cash registers
Patent:US1829210 27.10.1931 Chase, George Clinton (P) Monroe (P) : Automatic Carriage Shifting Mechanism for Calculators
Patent:US1829461 27.10.1931 Sundstrand, Oscar (P) Sundstrand (P) Corp. : Means to control printing of signals
Patent:US1829727 03.11.1931 Barrett, Glenn (P) Portable Adding Machine Compan : Paper rewind for adding machines
Patent:US1829817 03.11.1931 von Pein, Edward (P) NCR (P) : Cash register
Patent:US1829925 03.11.1931 Golod Maurice P Joseph Nash : Machine for counting restaurant checks and adding highest amounts indicated thereon
Patent:US1830087 03.11.1931 E. Buckingham : Instrument for Exhibiting a Function of a Variable
Patent:US1830161 03.11.1931 Friden, Carl Mauritz Fredrick (P) : Calculating Machine
Patent:US1830413 03.11.1931 F. Wagner et al : Measuring Apparatus
Patent:US1830699 03.11.1931 Hollerith, Herman (P) Tabulating Machine (P) Company : Automatic control for tabulating machines
Patent:US1830756 10.11.1931 Eugene A. Ford Tabulating Machine (P) Company : Counting attachment for accounting machines
Patent:US1831595 10.11.1931 Percy Willis Gray Vickers (P) Ltd. : Apparatus for use in the fire control of antiaircraft guns
Patent:US1832791 17.11.1931 Rudin, Karl Viktor (P) : Calculating Machine
Patent:US1833467 24.11.1931 Harold P. Mixer Gardner (P) Comp. : Calculating machine
Patent:US1834121 01.12.1931 Chase, George Clinton (P) et al : Calculating Machine
Patent:US1834561 01.12.1931 T. J. Watson : Accounting Machine and Punching Mechanism Controlled thereby
Patent:US1834562 01.12.1931 T. J. Watson : Accounting Machine with Punchin Attachement
Patent:US1834745 01.12.1931 Nicholas Shifner : Slide Rule
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Patent:US1835165 08.12.1931 Kurowski, Alfred (P) Elliott-Fisher (P) Comp. : Combined typewriting and computing machine
Patent:US1835170 08.12.1931 Mehan, Thomas O. (P) : Total key mechanism
Patent:US1835183 08.12.1931 Adolf Rist NCR (P) : Cash register
Patent:US1835373 08.12.1931 Bryce, James (P) et al TABULATING MACHINE CO : Time Controlled Accounting Machine
Patent:US1836477 15.12.1931 Walter E. Lippert Remington (P) Arms Comp. Inc. : Cash register
Patent:US1836671 15.12.1931 Leonard W. Langford Langford Sales Audit Machine Comp. : Auditing machine
Patent:US1837785 22.12.1931 F. Masch : Switch Mechanism for Calculating Machines
Patent:US1837912 22.12.1931 Mann Robert : Ellipsograph
Patent:US1838209 29.12.1931 Ball, William (P) : Calculating machine
Patent:US1838389 29.12.1931 Goldberg, Emanuel (P) : Statistical Machine
Patent:US1838617 29.12.1931 Goldberg, Maximilian Meyer (P) NCR (P) : Auditing machine
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Patent:US1839138 20.12.1931 Breitling, Ernst (P) Wilhelm Brauer Karl August Lehmann Bruno Bornkessel Krupp (P) AG : Bookkeeping machine
Patent:US1884814 13.05.1931 Niemann, Frederick; Ziehm, Kurt F. Felt und Tarrant (P) : Device for distribution of accounts
Patent:US1944657 23.01.1931 Howard C. Einstein IBM (P) : Control device for accounting machines
Patent:US1961053 20.08.1931 Kübler, Carl Addiator (P) : Pocket Calculating Machine
Patent:USRe18130 21.07.1931 Chase, George (P) Monroe (P) Calculating Machine Comp. : Full cycle positioning mechanism

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Patentdatenbank USA 1931