Inventor · disambiguated record
David W. Knoble
Also filed as: KNOBLE DAVID · KNOBLE DAVID W
30 granted patents·653 citations·filing 1975–2009
97Inventor score
Files withGEN ELECTRIC11GENLYTE THOMAS GROUP LLC9KNOBLE DAVID W4KONINKL PHILIPS ELECTRONICS NV2THOMAS LIGHTING2
Top patents by PatentIndex Score
30 records- 0197US8070328B1LED downlightKNOBLE DAVID W·Filed 2009·Granted Dec 6, 2011·174 cites·21 claims
- 0291US7988327B1LED luminaireKONINKL PHILIPS ELECTRONICS NV·Filed 2009·Granted Aug 2, 2011·47 cites·18 claims
- 0389US4691341AMethod of transferring digital information and street lighting control systemGEN ELECTRIC·Filed 1985·Granted Sep 1, 1987·152 cites·11 claims
- 0485US7631985B1Finite element and multi-distribution LED luminaireGENLYTE THOMAS GROUP LLC·Filed 2005·Granted Dec 15, 2009·24 cites·16 claims
- 0580US8040078B1LED dimming circuitKONINKL PHILIPS ELECTRONICS NV·Filed 2009·Granted Oct 18, 2011·8 cites·17 claims
- 0676US8177397B1LED heat management systemKNOBLE DAVID W·Filed 2009·Granted May 15, 2012·10 cites·16 claims
- 0775USD504705SCombination exit sign and emergency lighting unitGENLYTE THOMAS GROUP LLC·Filed 2003·Granted May 3, 2005·23 cites·1 claims
- 0871US7887205B1Rotatable emergency light with direct drive motorGENLYTE THOMAS GROUP LLC·Filed 2008·Granted Feb 15, 2011·7 cites·16 claims
- 0969USRE40619EEfficient fluorescent lighting systemGENLYTE THOMAS GROUP LLC·Filed 2005·Granted Jan 6, 2009·5 cites·32 claims
- 1067US6817732B1Efficiency fluorescent lighting systemGENLYTE THOMAS GROUP LLC·Filed 2002·Granted Nov 16, 2004·11 cites·17 claims
- 1164US4051411ADischarge lamp operating circuitGEN ELECTRIC·Filed 1976·Granted Sep 27, 1977·19 cites·16 claims
- 1263US6346782B1Multiple lamp ballast systemGENLYTE THOMAS GROUP LLC·Filed 2001·Granted Feb 12, 2002·10 cites·12 claims
- 1363US4275337AStarting and operating circuit for gaseous discharge lampsGEN ELECTRIC·Filed 1979·Granted Jun 23, 1981·22 cites·12 claims
- 1462US8317371B1LED dock lightKHOSROW JAMASBI·Filed 2009·Granted Nov 27, 2012·9 cites·14 claims
- 1562US3976910AOperating circuit for discharge lamps with voltage starting circuit and auxiliary lighting means thereforGEN ELECTRIC·Filed 1975·Granted Aug 24, 1976·18 cites·11 claims
- 1661US8076859B1Emergency sign power supply with battery chargerKNOBLE DAVID W·Filed 2008·Granted Dec 13, 2011·3 cites·20 claims
- 1761US5633779ARelay control circuit and method for controlling a relayTHOMAS LIGHTING·Filed 1995·Granted May 27, 1997·19 cites·15 claims
- 1857US7172323B1Light emitting diode light spreaderGENLYTE THOMAS GROUP LLC·Filed 2004·Granted Feb 6, 2007·5 cites·21 claims
- 1956US5815067ASingle control wire device for HID dimmingTHOMAS LIGHTING·Filed 1997·Granted Sep 29, 1998·19 cites·10 claims
- 2053US10443797B2Finite element and multi-distribution LED luminaireKNOBLE DAVID W·Filed 2009·Granted Oct 15, 2019·0 cites·16 claims
- 2153US4187449ADischarge lamp operating circuitGEN ELECTRIC·Filed 1978·Granted Feb 5, 1980·11 cites·15 claims
- 2248US4051410ADischarge lamp operating circuitGEN ELECTRIC·Filed 1976·Granted Sep 27, 1977·9 cites·17 claims
- 2346US4051412ADischarge lamp operating circuitGEN ELECTRIC·Filed 1976·Granted Sep 27, 1977·8 cites·16 claims
- 2443USD489766SExit signGENLYTE THOMAS GROUP LLC·Filed 2003·Granted May 11, 2004·5 cites·1 claims
- 2540US4754201AMagnetic low load factor series ballast circuitGEN ELECTRIC·Filed 1987·Granted Jun 28, 1988·7 cites·6 claims
- 2638US4048543ADischarge lamp operating circuitGEN ELECTRIC·Filed 1976·Granted Sep 13, 1977·5 cites·11 claims
- 2736US5115165ASafety lighting means for use with a high intensity discharge lampGEN ELECTRIC·Filed 1990·Granted May 19, 1992·6 cites·13 claims
- 2835US6463436B1Interactive photometric calculations systemGENLYTE THOMAS GROUP LLC·Filed 1999·Granted Oct 8, 2002·4 cites·27 claims
- 2935US6141234APower supply with battery charger for emergency signFiled 1999·Granted Oct 31, 2000·11 cites·14 claims
- 3031US4931699ABallast system including a starting aid for a gaseous discharge lampGEN ELECTRIC·Filed 1989·Granted Jun 5, 1990·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →