Inventor · disambiguated record
Robert Louis Steigerwald
Also filed as: STEIGERWALD ROBERT · STEIGERWALD ROBERT L · STEIGERWALD ROBERT LOUIS
148 granted patents·7 pending applications·6,561 citations·filing 1974–2024
99Inventor score
Files withGEN ELECTRIC124KING ROBERT DEAN9LOCKHEED CORP6STEIGERWALD ROBERT LOUIS5MARTIN MARIETTA CORP3
Top patents by PatentIndex Score
155 records- 0199US4404472AMaximum power control for a solar array connected to a loadGEN ELECTRIC·Filed 1981·Granted Sep 13, 1983·349 cites·6 claims
- 0299US4047138APower inductor and transformer with low acoustic noise air gapGEN ELECTRIC·Filed 1976·Granted Sep 6, 1977·111 cites·2 claims
- 0398US8378623B2Apparatus and method for charging an electric vehicleGEN ELECTRIC·Filed 2010·Granted Feb 19, 2013·95 cites·28 claims
- 0498US7132757B2Power control system and methodGEN ELECTRIC·Filed 2005·Granted Nov 7, 2006·64 cites·5 claims
- 0598US5414238AResonant power supply for an arcjet thrusterMARTIN MARIETTA CORP·Filed 1992·Granted May 9, 1995·147 cites·2 claims
- 0698US4541041AFull load to no-load control for a voltage fed resonant inverterGEN ELECTRIC·Filed 1983·Granted Sep 10, 1985·158 cites·6 claims
- 0798US4504895ARegulated dc-dc converter using a resonating transformerGEN ELECTRIC·Filed 1982·Granted Mar 12, 1985·209 cites·6 claims
- 0897US11697352B2Method and apparatus for charging multiple energy storage devicesGEN ELECTRIC·Filed 2022·Granted Jul 11, 2023·2 cites·19 claims
- 0997US8080973B2Apparatus for energy transfer using converter and method of manufacturing sameKING ROBERT DEAN·Filed 2008·Granted Dec 20, 2011·53 cites·22 claims
- 1097US7932633B2Apparatus for transferring energy using power electronics and machine inductance and method of manufacturing sameGEN ELECTRIC·Filed 2008·Granted Apr 26, 2011·62 cites·29 claims
- 1197US5010261ALossless gate driver circuit for a high frequency converterGEN ELECTRIC·Filed 1989·Granted Apr 23, 1991·103 cites·15 claims
- 1297US4903189ALow noise, high frequency synchronous rectifierGEN ELECTRIC·Filed 1988·Granted Feb 20, 1990·167 cites·20 claims
- 1397US4864479AFull-bridge lossless switching converterGEN ELECTRIC·Filed 1988·Granted Sep 5, 1989·157 cites·13 claims
- 1497US4684867ARegenerative unipolar converter for switched reluctance motors using one main switching device per phaseGEN ELECTRIC·Filed 1984·Granted Aug 4, 1987·82 cites·10 claims
- 1597US4685040AIntegrated circuit for controlling power converter by frequency modulation and pulse width modulationGEN ELECTRIC·Filed 1985·Granted Aug 4, 1987·247 cites·10 claims
- 1697US4445049AInverter for interfacing advanced energy sources to a utility gridGEN ELECTRIC·Filed 1981·Granted Apr 24, 1984·131 cites·10 claims
- 1797US4039914ADynamic braking in controlled current motor drive systemsGEN ELECTRIC·Filed 1975·Granted Aug 2, 1977·88 cites·9 claims
- 1896US11884168B2Apparatus and method for rapid charging using shared power electronicsGEN ELECTRIC·Filed 2022·Granted Jan 30, 2024·2 cites·14 claims
- 1996US9809121B2Apparatus for energy transfer using converter and method of manufacturing sameGEN ELECTRIC·Filed 2016·Granted Nov 7, 2017·10 cites·17 claims
- 2096US5179512AGate drive for synchronous rectifiers in resonant convertersGEN ELECTRIC·Filed 1991·Granted Jan 12, 1993·103 cites·16 claims
- 2196US4581542ADriver circuits for emitter switch gate turn-off SCR devicesGEN ELECTRIC·Filed 1983·Granted Apr 8, 1986·68 cites·20 claims
- 2295US9821668B2Method and apparatus for charging multiple energy storage devicesGEN ELECTRIC·Filed 2015·Granted Nov 21, 2017·12 cites·19 claims
- 2395US4672528AResonant inverter with improved controlGEN ELECTRIC·Filed 1986·Granted Jun 9, 1987·109 cites·12 claims
- 2495US4628426ADual output DC-DC converter with independently controllable output voltagesGEN ELECTRIC·Filed 1985·Granted Dec 9, 1986·110 cites·9 claims
- 2595US4042856AChopper ballast for gaseous discharge lamps with auxiliary capacitor energy storageGEN ELECTRIC·Filed 1975·Granted Aug 16, 1977·72 cites·11 claims
- 2694US11752887B2Apparatus for energy transfer using converter and method of manufacturing sameGEN ELECTRIC·Filed 2021·Granted Sep 12, 2023·2 cites·8 claims
- 2794US10994623B2Apparatus for energy transfer using converter and method of manufacturing sameGEN ELECTRIC·Filed 2020·Granted May 4, 2021·3 cites·14 claims
- 2894US9914365B2Apparatus and method for rapid charging using shared power electronicsGEN ELECTRIC·Filed 2016·Granted Mar 13, 2018·7 cites·16 claims
- 2994US9321367B2Apparatus for energy transfer using converter and method of manufacturing sameGEN ELECTRIC·Filed 2015·Granted Apr 26, 2016·7 cites·15 claims
- 3094US9290097B2Apparatus for transferring energy using onboard power electronics with high-frequency transformer isolation and method of manufacturing sameSTEIGERWALD ROBERT LOUIS·Filed 2010·Granted Mar 22, 2016·31 cites·23 claims
- 3194US8698451B2Apparatus and method for rapid charging using shared power electronicsKING ROBERT DEAN·Filed 2009·Granted Apr 15, 2014·38 cites·20 claims
- 3294US8653696B2Apparatus for transferring energy using power electronics and machine inductance and method of manufacturing sameKING ROBERT DEAN·Filed 2011·Granted Feb 18, 2014·19 cites·20 claims
- 3394US8487582B2Apparatus for transferring energy using onboard power electronics and method of manufacturing sameKING ROBERT DEAN·Filed 2011·Granted Jul 16, 2013·15 cites·24 claims
- 3494US5119283AHigh power factor, voltage-doubler rectifierGEN ELECTRIC·Filed 1991·Granted Jun 2, 1992·145 cites·7 claims
- 3594US4386394ASingle phase and three phase AC to DC convertersGEN ELECTRIC·Filed 1981·Granted May 31, 1983·67 cites·12 claims
- 3693US10377259B2Apparatus and method for rapid charging using shared power electronicsGEN ELECTRIC·Filed 2017·Granted Aug 13, 2019·5 cites·20 claims
- 3793US8030884B2Apparatus for transferring energy using onboard power electronics and method of manufacturing sameGEN ELECTRIC·Filed 2009·Granted Oct 4, 2011·45 cites·24 claims
- 3893US6693805B1Ripple cancellation circuit for ultra-low-noise power suppliesLOCKHEED CORP·Filed 2002·Granted Feb 17, 2004·78 cites·15 claims
- 3993US5773966ADual-mode, high-efficiency dc-dc converter useful for portable battery-operated equipmentGEN ELECTRIC·Filed 1995·Granted Jun 30, 1998·129 cites·12 claims
- 4093US4912622AGate driver for a full-bridge lossless switching deviceGEN ELECTRIC·Filed 1988·Granted Mar 27, 1990·93 cites·8 claims
- 4192US9975439B2Apparatus for energy transfer using converter and method of manufacturing sameGEN ELECTRIC·Filed 2017·Granted May 22, 2018·4 cites·20 claims
- 4292US9024573B2Apparatus for energy transfer using converter and method of manufacturing sameKING ROBERT DEAN·Filed 2012·Granted May 5, 2015·12 cites·20 claims
- 4391US8208274B2Alternating current to direct current power conversionRAJU RAVISEKHAR NADIMPALLI·Filed 2011·Granted Jun 26, 2012·12 cites·20 claims
- 4491US7869237B1Phase-shifted bridge with auxiliary circuit to maintain zero-voltage-switchingLOCKHEED CORP·Filed 2007·Granted Jan 11, 2011·35 cites·25 claims
- 4591US7331803B2Power control system and methodGEN ELECTRIC·Filed 2006·Granted Feb 19, 2008·33 cites·15 claims
- 4691US6040753AUltra-low-profile tube-type magneticsLOCKHEED CORP·Filed 1999·Granted Mar 21, 2000·66 cites·11 claims
- 4791US5910709AFlorescent lamp ballast control for zero -voltage switching operation over wide input voltage range and over voltage protectionGEN ELECTRIC·Filed 1997·Granted Jun 8, 1999·107 cites·8 claims
- 4890US9620974B2Apparatus for transferring energy using power electronics and machine inductance and method of manufacturing sameGEN ELECTRIC·Filed 2014·Granted Apr 11, 2017·10 cites·20 claims
- 4990US9120390B2Apparatus for transferring energy using onboard power electronics and method of manufacturing sameKING ROBERT DEAN·Filed 2012·Granted Sep 1, 2015·16 cites·22 claims
- 5090US8330299B2DC to DC power converters and methods of controlling the sameSTEIGERWALD ROBERT LOUIS·Filed 2011·Granted Dec 11, 2012·12 cites·17 claims
Showing the top 50 of 155 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →