Inventor · disambiguated record
William C. Knoll
Also filed as: KNOLL WILLIAM C · VAN SCIVER JACK H
18 granted patents·454 citations·filing 1977–2005
95Inventor score
Top patents by PatentIndex Score
18 records- 0196US4109307AHigh power factor conversion circuitryGTE SYLVANIA INC·Filed 1977·Granted Aug 22, 1978·85 cites·9 claims
- 0293US4353009ADimming circuit for an electronic ballastGTE PROD CORP·Filed 1980·Granted Oct 5, 1982·77 cites·9 claims
- 0389US4127795ALamp ballast circuitGTE SYLVANIA INC·Filed 1977·Granted Nov 28, 1978·57 cites·19 claims
- 0479US4392085ADirect drive ballast with delayed starting circuitGTE PROD CORP·Filed 1980·Granted Jul 5, 1983·29 cites·16 claims
- 0567US4525649ADrive scheme for a plurality of flourescent lampsGTE PROD CORP·Filed 1984·Granted Jun 25, 1985·21 cites·5 claims
- 0667US4199710ABallast circuit for high intensity discharge (HID) lampsGTE SYLVANIA INC·Filed 1979·Granted Apr 22, 1980·21 cites·15 claims
- 0766US4931664AController for coded surface acoustical wave (SAW) security systemGTE PROD CORP·Filed 1988·Granted Jun 5, 1990·27 cites·35 claims
- 0866US4188660ADirect drive ballast circuitGTE SYLVANIA INC·Filed 1978·Granted Feb 12, 1980·20 cites·19 claims
- 0965US7202649B2High frequency switch circuitQORTEK INC·Filed 2005·Granted Apr 10, 2007·6 cites·3 claims
- 1065US4980680ACoded surface acoustical wave (saw) motor vehicle security deviceGTE PRODUCTS CORP AND GTE LAB·Filed 1990·Granted Dec 25, 1990·36 cites·11 claims
- 1156US4154791AInhibition of corrosive attack by sulfuric acid on carbon steelALLIED CHEM·Filed 1977·Granted May 15, 1979·8 cites·4 claims
- 1255US7170321B2Gate drive circuit with negative offsetQORTEK INC·Filed 2005·Granted Jan 30, 2007·3 cites·15 claims
- 1351US4532456AOutput circuit for an electronic ballast systemGTE PROD CORP·Filed 1984·Granted Jul 30, 1985·9 cites·3 claims
- 1451US4396866ALamp filament drive scheme providing for control of filament voltages by use of lamp current in solid state ballastsGTE PROD CORP·Filed 1980·Granted Aug 2, 1983·12 cites·3 claims
- 1549US4802859AElectrical connectorGTE PROD CORP·Filed 1988·Granted Feb 7, 1989·15 cites·15 claims
- 1647US4158156AElectron ballast apparatus for gaseous discharge lampsGTE SYLVANIA INC·Filed 1978·Granted Jun 12, 1979·9 cites·7 claims
- 1746US4353010ATransistor drive scheme for fluorscent lamp ballastGTE PROD CORP·Filed 1980·Granted Oct 5, 1982·9 cites·2 claims
- 1836US5115160AEasily encodable surface acoustic wave (SAW) security devicesGTE PRODUCTS·Filed 1989·Granted May 19, 1992·10 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →