Inventor · disambiguated record
Sampat Shekhawat
Also filed as: SHEKHAWAT SAMPAT · SHEKHAWAT SAMPAT S · SHEKHAWAT SAMPAT SINGH
33 granted patents·1 pending application·924 citations·filing 1984–2011
98Inventor score
Files withSUNDSTRAND CORP11ALLIED SIGNAL INC10FAIRCHILD SEMICONDUCTOR6SHEKHAWAT SAMPAT4INTERSIL CORP3
Top patents by PatentIndex Score
34 records- 0197US7269038B2Vrms and rectified current sense full-bridge synchronous-rectification integrated with PFCFAIRCHILD SEMICONDUCTOR·Filed 2005·Granted Sep 11, 2007·134 cites·8 claims
- 0296US4937468AIsolation circuit for pulse waveformsSUNDSTRAND CORP·Filed 1989·Granted Jun 26, 1990·82 cites·6 claims
- 0392US4847745AThree phase inverter power supply with balancing transformerSUNDSTRAND CORP·Filed 1988·Granted Jul 11, 1989·92 cites·10 claims
- 0490US8385092B1Power converter with current vector controlled dead timeFAIRCHILD SEMICONDUCTOR·Filed 2007·Granted Feb 26, 2013·31 cites·39 claims
- 0588US7834597B1System and method for AC voltage regulationFAIRCHILD SEMICONDUCTOR·Filed 2008·Granted Nov 16, 2010·21 cites·19 claims
- 0688US7518895B2High-efficiency power converter systemFAIRCHILD SEMICONDUCTOR·Filed 2006·Granted Apr 14, 2009·27 cites·13 claims
- 0787US8503146B1Gate driver with short-circuit protectionSHEKHAWAT SAMPAT·Filed 2008·Granted Aug 6, 2013·16 cites·13 claims
- 0887US5546742AAircraft engine electric start system without a separate exciter field inverterALLIED SIGNAL INC·Filed 1994·Granted Aug 20, 1996·61 cites·7 claims
- 0987US4670828ABi-directional switch for neutral point clamped PWM inverterSUNDSTRAND CORP·Filed 1986·Granted Jun 2, 1987·59 cites·23 claims
- 1086US6275093B1IGBT gate drive circuit with short circuit protectionINTERSIL CORP·Filed 1998·Granted Aug 14, 2001·60 cites·16 claims
- 1186US4635177AControl for a neutral point clamped PWM inverterSUNDSTRAND CORP·Filed 1984·Granted Jan 6, 1987·38 cites·16 claims
- 1282US4885486ADarlington amplifier with high speed turnoffSUNDSTRAND CORP·Filed 1987·Granted Dec 5, 1989·31 cites·14 claims
- 1377US8942019B2Current vector controlled deadtime for multilevel invertersSHEKHAWAT SAMPAT·Filed 2011·Granted Jan 27, 2015·7 cites·20 claims
- 1475US6831329B2Quick punch through IGBT having gate-controllable DI/DT and reduced EMI during inductive turn offFAIRCHILD SEMICONDUCTOR·Filed 2002·Granted Dec 14, 2004·21 cites·26 claims
- 1568US8023295B1Direct current (DC) to alternating current (AC) generationFAIRCHILD SEMICONDUCTOR·Filed 2008·Granted Sep 20, 2011·13 cites·18 claims
- 1668US5130917APower inverter snubber circuitALLIED SIGNAL INC·Filed 1991·Granted Jul 14, 1992·22 cites·11 claims
- 1767US4811185ADC to DC power converterSUNDSTRAND CORP·Filed 1987·Granted Mar 7, 1989·26 cites·14 claims
- 1866US4970635AInverter with proportional base drive controlled by a current transformerSUNDSTRAND CORP·Filed 1988·Granted Nov 13, 1990·15 cites·23 claims
- 1966US4947055ABase drive circuit for Darlington-connected transistorsSUNDSTRAND CORP·Filed 1989·Granted Aug 7, 1990·15 cites·11 claims
- 2065US5550456AVoltage/current controlled voltage regulator to eliminate exciter field saturationALLIED SIGNAL INC·Filed 1994·Granted Aug 27, 1996·27 cites·8 claims
- 2165US4969081AInverter switch current sensor with shoot-through current limitingSUNDSTRAND CORP·Filed 1989·Granted Nov 6, 1990·22 cites·2 claims
- 2263US4725741ADrive circuit for fast switching of Darlington-connected transistorsSUNDSTRAND CORP·Filed 1986·Granted Feb 16, 1988·14 cites·25 claims
- 2358US9030847B2Inverter and driving method thereofSHEKHAWAT SAMPAT·Filed 2010·Granted May 12, 2015·2 cites·26 claims
- 2449US5120986ASine wave synthesis controller circuit for use with a neutral-point clamped inverterALLIED SIGNAL INC·Filed 1991·Granted Jun 9, 1992·17 cites·5 claims
- 2548US5138202AProportional base drive circuitALLIED SIGNAL INC·Filed 1991·Granted Aug 11, 1992·9 cites·6 claims
- 2646US2011115446A1System and Method for AC Voltage RegulationSHEKHAWAT SAMPAT·Filed 2010·Application pending·0 cites
- 2745US4961129ACurrent controlled active flywheel type neutral point clamped inverterALLIED SIGNAL INC·Filed 1989·Granted Oct 2, 1990·10 cites·24 claims
- 2844US5339235AFault compensating multi-step wave inverterALLIED SIGNAL INC·Filed 1993·Granted Aug 16, 1994·17 cites·14 claims
- 2943US5313098APackaging arrangement for power semiconductor devicesALLIED SIGNAL INC·Filed 1993·Granted May 17, 1994·14 cites·13 claims
- 3041US4891532ADarlington connected switch having base drive with active turn-offSUNDSTRAND CORP·Filed 1988·Granted Jan 2, 1990·5 cites·27 claims
- 3140US5402083AShoot-through protection circuit for improved stability in a neutral-point clamped synthesizerALLIED SIGNAL INC·Filed 1993·Granted Mar 28, 1995·11 cites·3 claims
- 3230US6069403APower module with lowered inductance and reduced voltage overshootsINTERSIL CORP·Filed 1998·Granted May 30, 2000·2 cites·23 claims
- 3328US6140152APower module with lowered inductance and reduced voltage overshootsINTERSIL CORP·Filed 1999·Granted Oct 31, 2000·0 cites·19 claims
- 3426US5498907AInterconnection arrangement for power semiconductor switching devicesALLIED SIGNAL INC·Filed 1994·Granted Mar 12, 1996·3 cites·11 claims
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