Assignee
GTE SYLVANIA INC
598 granted patents·9,179 citations·filing 1970–1988
Top patents by PatentIndex Score
598 records- 0199US4090216AAmbient light contrast and color control circuitGTE SYLVANIA INC·Filed 1976·Granted May 16, 1978·289 cites·10 claims
- 0297US4393505AGas discharge laser having a buffer gas of neonGTE SYLVANIA INC·Filed 1981·Granted Jul 12, 1983·68 cites·4 claims
- 0397US4048537AProtective ultraviolet-transmitting sleeve for fluorescent lampGTE SYLVANIA INC·Filed 1976·Granted Sep 13, 1977·60 cites·21 claims
- 0497US4017347AMethod for producing ceramic cellular structure having high cell densityGTE SYLVANIA INC·Filed 1975·Granted Apr 12, 1977·115 cites·5 claims
- 0596US4109307AHigh power factor conversion circuitryGTE SYLVANIA INC·Filed 1977·Granted Aug 22, 1978·85 cites·9 claims
- 0696US4047180ABroadband corrugated horn antenna with radomeGTE SYLVANIA INC·Filed 1976·Granted Sep 6, 1977·205 cites·4 claims
- 0795US4219870AFront loading projection unitGTE SYLVANIA INC·Filed 1978·Granted Aug 26, 1980·82 cites·11 claims
- 0895US4017728AMultilamp photoflash unit having radiant-energy-activated quick-disconnect switchGTE SYLVANIA INC·Filed 1975·Granted Apr 12, 1977·42 cites·24 claims
- 0995US4006546ABack-lighted display arrangementGTE SYLVANIA INC·Filed 1976·Granted Feb 8, 1977·157 cites·5 claims
- 1094US4131657AElectric automotive chokeGTE SYLVANIA INC·Filed 1977·Granted Dec 26, 1978·82 cites·9 claims
- 1194US4121192ASystem and method for determining position and velocity of an intruder from an array of sensorsGTE SYLVANIA INC·Filed 1974·Granted Oct 17, 1978·63 cites·12 claims
- 1294US4080027AElectrical contact and connectorGTE SYLVANIA INC·Filed 1976·Granted Mar 21, 1978·77 cites·6 claims
- 1394US3974389ATerbium-activated rare earth oxysulfide X-ray phosphorsGTE SYLVANIA INC·Filed 1974·Granted Aug 10, 1976·65 cites·8 claims
- 1493US4197152AAttaching self-supporting emissive film to cathode supportGTE SYLVANIA INC·Filed 1979·Granted Apr 8, 1980·58 cites·9 claims
- 1593US3951903AModified polycarbonate resinGTE SYLVANIA INC·Filed 1974·Granted Apr 20, 1976·34 cites·6 claims
- 1692US4116516AMultiple layered connectorGTE SYLVANIA INC·Filed 1977·Granted Sep 26, 1978·74 cites·15 claims
- 1792US4070184AProcess for producing refractory carbide grade powderGTE SYLVANIA INC·Filed 1976·Granted Jan 24, 1978·45 cites·5 claims
- 1892US4056750AMercury dispenser for discharge lampsGTE SYLVANIA INC·Filed 1976·Granted Nov 1, 1977·33 cites·2 claims
- 1992US4025462ACeramic cellular structure having high cell density and catalyst layerGTE SYLVANIA INC·Filed 1975·Granted May 24, 1977·55 cites·1 claims
- 2092US3931536AEfficiency arc discharge lampGTE SYLVANIA INC·Filed 1974·Granted Jan 6, 1976·29 cites·5 claims
- 2191US4183010APressure compensating coaxial line hydrophone and methodGTE SYLVANIA INC·Filed 1977·Granted Jan 8, 1980·64 cites·5 claims
- 2291US4163176AEnergy saving fluorescent lampGTE SYLVANIA INC·Filed 1977·Granted Jul 31, 1979·32 cites·6 claims
- 2391US4075476ASinusoidal wave oscillator ballast circuitGTE SYLVANIA INC·Filed 1976·Granted Feb 21, 1978·62 cites·10 claims
- 2491US4073845AHigh density high strength S13 N4 ceramics prepared by pressureless sintering of partly crystalline, partly amorphous S13 N4 powderGTE SYLVANIA INC·Filed 1976·Granted Feb 14, 1978·54 cites·15 claims
- 2590US4009815AApparatus for maintaining vertically moving strip at established tensionGTE SYLVANIA INC·Filed 1976·Granted Mar 1, 1977·92 cites·7 claims
- 2690US3974245AProcess for producing free flowing powder and productGTE SYLVANIA INC·Filed 1975·Granted Aug 10, 1976·99 cites·5 claims
- 2789US4179301ASi3 N4 containing intergranular phase nucleating agent and methodGTE SYLVANIA INC·Filed 1979·Granted Dec 18, 1979·41 cites·14 claims
- 2889US4127795ALamp ballast circuitGTE SYLVANIA INC·Filed 1977·Granted Nov 28, 1978·57 cites·19 claims
- 2989US4110560ACommunication apparatusGTE SYLVANIA INC·Filed 1977·Granted Aug 29, 1978·51 cites·15 claims
- 3089US4083400AHeat recuperative apparatus incorporating a cellular ceramic coreGTE SYLVANIA INC·Filed 1976·Granted Apr 11, 1978·49 cites·11 claims
- 3189US4074201ASignal analyzer with noise estimation and signal to noise readoutGTE SYLVANIA INC·Filed 1976·Granted Feb 14, 1978·82 cites·15 claims
- 3289US4065413AFire resistance wood-based boards, process for producing same and compositions useful thereforGTE SYLVANIA INC·Filed 1975·Granted Dec 27, 1977·56 cites·8 claims
- 3389US3967153AFluorescent lamp having electrically conductive coating and a protective coating thereforGTE SYLVANIA INC·Filed 1974·Granted Jun 29, 1976·37 cites·3 claims
- 3488US4224478AData transmission circuit for establishing a bidirectional data path in a telephone systemGTE SYLVANIA INC·Filed 1978·Granted Sep 23, 1980·32 cites·15 claims
- 3588US4051544AFail-safe ground fault receptacle circuitGTE SYLVANIA INC·Filed 1976·Granted Sep 27, 1977·49 cites·2 claims
- 3688US4019160ASignal attenuator circuit for TV tunerGTE SYLVANIA INC·Filed 1975·Granted Apr 19, 1977·38 cites·7 claims
- 3788US3985965ADigital signal generatorGTE SYLVANIA INC·Filed 1975·Granted Oct 12, 1976·40 cites·5 claims
- 3888US3943994ACeramic cellular structure having high cell density and method for producing sameGTE SYLVANIA INC·Filed 1974·Granted Mar 16, 1976·40 cites·5 claims
- 3987US4136377AFoldable photoflash lamp unitGTE SYLVANIA INC·Filed 1978·Granted Jan 23, 1979·16 cites·11 claims
- 4087US4130160AComposite ceramic cellular structure and heat recuperative apparatus incorporating sameGTE SYLVANIA INC·Filed 1976·Granted Dec 19, 1978·45 cites·16 claims
- 4187US4045711ATuned oscillator ballast circuitGTE SYLVANIA INC·Filed 1976·Granted Aug 30, 1977·47 cites·13 claims
- 4286US4146388AMolybdenum plasma spray powder, process for producing said powder, and coatings made therefromGTE SYLVANIA INC·Filed 1977·Granted Mar 27, 1979·38 cites·17 claims
- 4386US4045156APhotoflash lampGTE SYLVANIA INC·Filed 1974·Granted Aug 30, 1977·44 cites·11 claims
- 4485US4201438ASpring contact for arc discharge tube baseGTE SYLVANIA INC·Filed 1978·Granted May 6, 1980·26 cites·1 claims
- 4585US4164007AMultilamp photoflash unitGTE SYLVANIA INC·Filed 1977·Granted Aug 7, 1979·15 cites·8 claims
- 4685US4145719AMulti-channel video switch using dual-gate MOS-FETSGTE SYLVANIA INC·Filed 1977·Granted Mar 20, 1979·41 cites·1 claims
- 4785US4100514ABroadband microwave polarizer deviceGTE SYLVANIA INC·Filed 1977·Granted Jul 11, 1978·35 cites·6 claims
- 4885US4095198AImpedance-matching networkGTE SYLVANIA INC·Filed 1977·Granted Jun 13, 1978·30 cites·13 claims
- 4985US4003716ACast cemented refractory metal carbides having improved sintered densityGTE SYLVANIA INC·Filed 1974·Granted Jan 18, 1977·24 cites·13 claims
- 5084US4180751AMode-locked optical parametric oscillator apparatusGTE SYLVANIA INC·Filed 1978·Granted Dec 25, 1979·50 cites·9 claims
Showing the top 50 of 598 patent records by PatentIndex Score.
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