Inventor · disambiguated record
Bernard Gershen
Also filed as: GERSHEN BERNARD · GERSHEN BERNARD J
38 granted patents·3 pending applications·2,340 citations·filing 1980–2006
99Inventor score
Top patents by PatentIndex Score
41 records- 0199US6226161B1Ground fault circuit interrupter incorporating miswiring prevention circuitryLEVITON MANUFACTURING CO·Filed 1999·Granted May 1, 2001·161 cites·5 claims
- 0299US5600524AIntelligent ground fault circuit interrupterLEVITON MANUFACTURING CO·Filed 1995·Granted Feb 4, 1997·288 cites·17 claims
- 0399US5477412AGround fault circuit interrupter incorporating miswiring prevention circuitryLEVITON MANUFACTURING CO·Filed 1993·Granted Dec 19, 1995·164 cites·7 claims
- 0498US6111733AIntelligent ground fault circuit interrupterLEVITON MANUFACTURING CO·Filed 1998·Granted Aug 29, 2000·184 cites·4 claims
- 0598US5963408AGround fault circuit interrupter incorporating miswiring prevention circuitryLEVITON MANUFACTURING CO·Filed 1997·Granted Oct 5, 1999·133 cites·7 claims
- 0698US5729417AGround fault circuit interrupter incorporating miswiring prevention circuitryLEVITON MANUFACTURING CO·Filed 1995·Granted Mar 17, 1998·125 cites·3 claims
- 0798US5715125AIntelligent ground fault circuit interrupterLEVITON MANUFACTURING CO·Filed 1997·Granted Feb 3, 1998·183 cites·5 claims
- 0898US5706155AGround fault circuit interrupter incorporating miswiring prevention circuitryLEVITON MANUFACTURING CO·Filed 1996·Granted Jan 6, 1998·130 cites·8 claims
- 0996US6611406B2Ground fault circuit interrupter incorporating miswiring prevention circuitryLEVITON MANUFACTURING CO·Filed 2001·Granted Aug 26, 2003·54 cites·3 claims
- 1096US6252407B1Ground fault circuit interrupter miswiring prevention deviceLEVITON MANUFACTURING CO·Filed 1998·Granted Jun 26, 2001·154 cites·17 claims
- 1196US5654857AGround fault circuit interrupt system including auxiliary surge suppression abilityLEVITON MANUFACTURING CO·Filed 1995·Granted Aug 5, 1997·115 cites·8 claims
- 1290US5383084ACircuit analyzing systemLEVITON MANUFACTURING CO·Filed 1993·Granted Jan 17, 1995·59 cites·19 claims
- 1389US6469881B2Shock hazard protection systemLEVITON MANUFACTURING CO·Filed 2001·Granted Oct 22, 2002·33 cites·5 claims
- 1487US5886423AElectric series circuitLEVITON MANUFACTURING CO·Filed 1997·Granted Mar 23, 1999·73 cites·47 claims
- 1587US4709293AShock hazard protection systemLEVITON MANUFACTURING CO·Filed 1987·Granted Nov 24, 1987·60 cites·15 claims
- 1685US7099129B2Ground fault circuit interrupter incorporating miswiring prevention circuitryLEVITON MANUFACTURING CO·Filed 2003·Granted Aug 29, 2006·21 cites·1 claims
- 1784US4396869ATime responsive variable voltage power supplyLEVITON MANUFACTURING CO·Filed 1980·Granted Aug 2, 1983·36 cites·7 claims
- 1882US7164563B2Circuit interrupting device line load reversal sensing systemLEVITON MANUFACTURING CO·Filed 2004·Granted Jan 16, 2007·24 cites·7 claims
- 1978US7136266B2Leakage current detection interrupter extension cord with cord diagnosticsLEVITON MANUFACTURING CO·Filed 2003·Granted Nov 14, 2006·25 cites·15 claims
- 2077US5402298AShock hazard protection systemLEVITON MANUFACTURING CO·Filed 1993·Granted Mar 28, 1995·25 cites·2 claims
- 2174US6016244AShock hazard protection systemLEVITON MANUFACTURING CO·Filed 1998·Granted Jan 18, 2000·17 cites·5 claims
- 2273US6518707B2Voltage detector for series light circuitDG PARTNERSHIP AN ILLINOIS GEN·Filed 2001·Granted Feb 11, 2003·22 cites·19 claims
- 2371US5583730AShock hazard protection systemLEVITON MANUFACTURING CO·Filed 1995·Granted Dec 10, 1996·16 cites·4 claims
- 2471US5327047AElectrical dimmer system employing alternately applied silicon controlled rectifiersLEVITON MANUFACTURING CO·Filed 1992·Granted Jul 5, 1994·29 cites·8 claims
- 2570US5841615AGround fault circuit interrupt system including auxiliary surge suppression abilityLEVITON MANUFACTURING CO·Filed 1997·Granted Nov 24, 1998·29 cites·3 claims
- 2670US5166853AShock hazard protection systemLEVITON MANUFACTURING CO·Filed 1991·Granted Nov 24, 1992·22 cites·6 claims
- 2769US5619081AAsymmetrical AC trigger simulationLEVITON MANUFACTURING CO·Filed 1994·Granted Apr 8, 1997·27 cites·10 claims
- 2864US5729421ACircuit analyzing systemLEVITON MANUFACTURING CO·Filed 1996·Granted Mar 17, 1998·15 cites·4 claims
- 2961US5703458ACapacitor-type motor speed controllerLEVITON MANUFACTURING CO·Filed 1995·Granted Dec 30, 1997·21 cites·7 claims
- 3058US5747980ADifferential transformer correction by compensationLEVITON MANUFACTURING CO·Filed 1995·Granted May 5, 1998·15 cites·10 claims
- 3155US5652511AMethod and apparatus for detecting magnetic anomalies in a transformer core by rotating such core through a first winding which impresses a flux field in the core and a second winding to detect magnetic anomalies in the flux establishedLEVITON MANUFACTURING CO·Filed 1995·Granted Jul 29, 1997·18 cites·16 claims
- 3254US5499155ACircuit analyzing systemLEVITON MANUFACTURING CO·Filed 1995·Granted Mar 12, 1996·14 cites·7 claims
- 3350US6621671B2Shock hazard protection systemLEVITON MANUFACTURING CO·Filed 2002·Granted Sep 16, 2003·2 cites·5 claims
- 3447US5854519AAsymmetrical AC trigger simulationLEVITON MANUFACTURING CO·Filed 1997·Granted Dec 29, 1998·11 cites·6 claims
- 3546US6176717B1Electrical extension cord with immersion detection circuit interrupter safety protectionLEVITON MANUFACTURING CO·Filed 1999·Granted Jan 23, 2001·13 cites·6 claims
- 3644US5446383AMethod and apparatus for detecting magnetic anomalies in a differential transformer coreLEVITON MANUFACTURING CO·Filed 1994·Granted Aug 29, 1995·10 cites·16 claims
- 3743US2007069039A1Christmas tree alarm systemDECOSMO JOHN·Filed 2006·Application pending·0 cites
- 3840US5801912AShock hazard protection systemLEVITON MANUFACTURING CO·Filed 1996·Granted Sep 1, 1998·6 cites·5 claims
- 3940US2005243485A1Leakage current detection interrupter with open neutral detectionGERSHEN BERNARD J·Filed 2005·Application pending·0 cites
- 4038US6011326ADual switch and/or dimmer system illuminated with single neon lampLEVITON MANUFACTURING CO·Filed 1997·Granted Jan 4, 2000·6 cites·19 claims
- 4138US2004070895A1Leakage current detection interrupter extension cord with cord diagnostics and/or inadvertent ground-to-neutral detectionFiled 2002·Application pending·0 cites
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