Assignee
TELETYPE CORP
US·132 granted patents·2,357 citations·filing 1945–1983
Top patents by PatentIndex Score
132 records- 0197US3983317AAstigmatizer for laser recording and reproducing systemTELETYPE CORP·Filed 1974·Granted Sep 28, 1976·88 cites·13 claims
- 0296USD273110STeleprinter keyboard and telephoneTELETYPE CORP·Filed 1981·Granted Mar 20, 1984·41 cites·1 claims
- 0394US4063307ADirect current power converter with start-up and protection circuitsTELETYPE CORP·Filed 1976·Granted Dec 13, 1977·62 cites·11 claims
- 0493US3961269AMultiple phase clock generatorTELETYPE CORP·Filed 1975·Granted Jun 1, 1976·45 cites·18 claims
- 0592US3977007AGray tone generationTELETYPE CORP·Filed 1975·Granted Aug 24, 1976·87 cites·11 claims
- 0690USD278239SStand-alone keyboardTELETYPE CORP·Filed 1982·Granted Apr 2, 1985·32 cites·1 claims
- 0789US4065773AMethod and apparatus for generating gray tones in an ink jet printerTELETYPE CORP·Filed 1976·Granted Dec 27, 1977·32 cites·4 claims
- 0889US4011465AMOSFET detecting and synchronizing circuit for asynchronous digital dataTELETYPE CORP·Filed 1975·Granted Mar 8, 1977·31 cites·5 claims
- 0987US4079828AApparatus for controlling the bi-directional transport of a flexible webTELETYPE CORP·Filed 1976·Granted Mar 21, 1978·31 cites·15 claims
- 1087US4031524ARead-only memories, and readout circuits thereforTELETYPE CORP·Filed 1975·Granted Jun 21, 1977·26 cites·26 claims
- 1186US4496200ADesk top keyboard display terminal with an articulated keyboardTELETYPE CORP·Filed 1982·Granted Jan 29, 1985·77 cites·3 claims
- 1286US4244083ACable clampTELETYPE CORP·Filed 1979·Granted Jan 13, 1981·43 cites·4 claims
- 1386US4229617AAssembly for processing punched paper tapeTELETYPE CORP·Filed 1978·Granted Oct 21, 1980·61 cites·3 claims
- 1485US4134695APrinter carriageTELETYPE CORP·Filed 1977·Granted Jan 16, 1979·32 cites·7 claims
- 1585US4101018APaper edge sensorTELETYPE CORP·Filed 1977·Granted Jul 18, 1978·28 cites·2 claims
- 1684US3961337ADisposable ink supply and nozzle system using a simple pumpTELETYPE CORP·Filed 1974·Granted Jun 1, 1976·38 cites·1 claims
- 1784US3952152ACRT shieldTELETYPE CORP·Filed 1974·Granted Apr 20, 1976·48 cites·10 claims
- 1883US4464681AMethod and apparatus for adjusting a facsimile document scannerTELETYPE CORP·Filed 1982·Granted Aug 7, 1984·38 cites·8 claims
- 1983US4408914APrinter ribbon cartridge mounting assemblyTELETYPE CORP·Filed 1982·Granted Oct 11, 1983·49 cites·9 claims
- 2082US4498767AApparatus for measuring lightTELETYPE CORP·Filed 1982·Granted Feb 12, 1985·39 cites·11 claims
- 2182USD272624STeleprinter keyboardTELETYPE CORP·Filed 1981·Granted Feb 14, 1984·17 cites·1 claims
- 2282USD258131STeleprinter cabinetTELETYPE CORP·Filed 1978·Granted Feb 3, 1981·15 cites·1 claims
- 2382US3931610ACapacitive keyswitch sensor and methodTELETYPE CORP·Filed 1973·Granted Jan 6, 1976·44 cites·18 claims
- 2480US4107594AStep motor velocity controlTELETYPE CORP·Filed 1977·Granted Aug 15, 1978·27 cites·10 claims
- 2580US4046247APrinter ribbon cartridgeTELETYPE CORP·Filed 1976·Granted Sep 6, 1977·22 cites·10 claims
- 2680US3946245AFast-acting feedforward kicker circuit for use with two serially connected invertersTELETYPE CORP·Filed 1975·Granted Mar 23, 1976·20 cites·20 claims
- 2779US4471931ACRT Monitor tilt mechanismTELETYPE CORP·Filed 1983·Granted Sep 18, 1984·39 cites·8 claims
- 2878US4392083ARadiation shield for a cathode ray tubeTELETYPE CORP·Filed 1981·Granted Jul 5, 1983·26 cites·9 claims
- 2978US4175145AMaking memory structure for laser recording systemTELETYPE CORP·Filed 1978·Granted Nov 20, 1979·31 cites·1 claims
- 3077US4197024AAcoustical damping for printerTELETYPE CORP·Filed 1977·Granted Apr 8, 1980·20 cites·4 claims
- 3177US3938052ADigital demodulator for phase-modulated waveformsTELETYPE CORP·Filed 1974·Granted Feb 10, 1976·32 cites·7 claims
- 3276US4004284ABinary voltage-differential sensing circuits, and sense/refresh amplifier circuits for random-access memoriesTELETYPE CORP·Filed 1975·Granted Jan 18, 1977·19 cites·7 claims
- 3376US3982195AMethod and apparatus for decoding diphase signalsTELETYPE CORP·Filed 1975·Granted Sep 21, 1976·29 cites·13 claims
- 3475US4107595ACurrent control system for a stepping motorTELETYPE CORP·Filed 1977·Granted Aug 15, 1978·32 cites·10 claims
- 3575US3977262ADrive mechanism for a carriageTELETYPE CORP·Filed 1975·Granted Aug 31, 1976·27 cites·16 claims
- 3675US3958735AMethod and apparatus for detecting paper drive malfunctioning in an automatic printerTELETYPE CORP·Filed 1975·Granted May 25, 1976·18 cites·17 claims
- 3774US4140927ANon-overlapping clock generatorTELETYPE CORP·Filed 1977·Granted Feb 20, 1979·23 cites·10 claims
- 3874US4001884AApparatus and method for recording and reproducing digital-dataTELETYPE CORP·Filed 1975·Granted Jan 4, 1977·20 cites·4 claims
- 3973US4157224ARibbon advancing mechanismTELETYPE CORP·Filed 1977·Granted Jun 5, 1979·17 cites·7 claims
- 4073US3935938ALine feed mechanism for printerTELETYPE CORP·Filed 1975·Granted Feb 3, 1976·17 cites·17 claims
- 4172US4486856ACache memory and control circuitTELETYPE CORP·Filed 1982·Granted Dec 4, 1984·32 cites·11 claims
- 4270US4274237AHolder for a decorative trim stripTELETYPE CORP·Filed 1979·Granted Jun 23, 1981·23 cites·3 claims
- 4370US4247209APrinter ribbon cartridge having lap spliced ribbon and reinking meansTELETYPE CORP·Filed 1979·Granted Jan 27, 1981·16 cites·6 claims
- 4470US4197023AFlexible paper guiding apparatusTELETYPE CORP·Filed 1977·Granted Apr 8, 1980·16 cites·1 claims
- 4570US4157178AMethod and apparatus for removing paper from a rotating drumTELETYPE CORP·Filed 1976·Granted Jun 5, 1979·16 cites·6 claims
- 4670US4114751APrinting machine with automatic off-center crown roller ribbon-wear compensationTELETYPE CORP·Filed 1976·Granted Sep 19, 1978·22 cites·3 claims
- 4770US3942145ASnap-action switchTELETYPE CORP·Filed 1974·Granted Mar 2, 1976·23 cites·15 claims
- 4869US4485553AMethod for manufacturing an integrated circuit deviceTELETYPE CORP·Filed 1983·Granted Dec 4, 1984·27 cites·7 claims
- 4969US4418371ARolling bias springTELETYPE CORP·Filed 1981·Granted Nov 29, 1983·15 cites·8 claims
- 5068US4286836AConnector block with strain preventionTELETYPE CORP·Filed 1979·Granted Sep 1, 1981·26 cites·7 claims
Showing the top 50 of 132 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →