P

Inventor

STEIGERWALD ROBERT L

79 patents
⚠️ This page may combine multiple inventors who share the name “STEIGERWALD ROBERT L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEN ELECTRIC

44 patents
US4864479ASep 5, 1989

Full-bridge lossless switching converter

GEN ELECTRIC157 citations99
US4541041ASep 10, 1985

Full load to no-load control for a voltage fed resonant inverter

GEN ELECTRIC158 citations99
US4504895AMar 12, 1985

Regulated dc-dc converter using a resonating transformer

GEN ELECTRIC209 citations99
US4404472ASep 13, 1983

Maximum power control for a solar array connected to a load

GEN ELECTRIC349 citations99
US7932633B2Apr 26, 2011

Apparatus for transferring energy using power electronics and machine inductance and method of manufacturing same

GEN ELECTRIC62 citations98
US5359180AOct 25, 1994

Power supply system for arcjet thrusters

GEN ELECTRIC110 citations98
US5119283AJun 2, 1992

High power factor, voltage-doubler rectifier

GEN ELECTRIC145 citations98
US4903189AFeb 20, 1990

Low noise, high frequency synchronous rectifier

GEN ELECTRIC167 citations98
US4685040AAug 4, 1987

Integrated circuit for controlling power converter by frequency modulation and pulse width modulation

GEN ELECTRIC247 citations98
US5608771AMar 4, 1997

Contactless power transfer system for a rotational load

GEN ELECTRIC115 citations97
US5594629AJan 14, 1997

High-frequency switching circuits operable in a natural zero-voltage switching mode

GEN ELECTRIC65 citations96
US5546294AAug 13, 1996

Resonant converter with wide load range

GEN ELECTRIC78 citations96
US5514921AMay 7, 1996

Lossless gate drivers for high-frequency PWM switching cells

GEN ELECTRIC89 citations96
US5481449AJan 2, 1996

Efficient, high power density, high power factor converter for very low dc voltage applications

GEN ELECTRIC68 citations96
US5179512AJan 12, 1993

Gate drive for synchronous rectifiers in resonant converters

GEN ELECTRIC103 citations96
US5113337AMay 12, 1992

High power factor power supply

GEN ELECTRIC53 citations96
US5010261AApr 23, 1991

Lossless gate driver circuit for a high frequency converter

GEN ELECTRIC103 citations96
US4912622AMar 27, 1990

Gate driver for a full-bridge lossless switching device

GEN ELECTRIC93 citations96
US4876635AOct 24, 1989

Series resonant inverter with lossless snubber-resetting components

GEN ELECTRIC62 citations96
US4672528AJun 9, 1987

Resonant inverter with improved control

GEN ELECTRIC109 citations96
US4628426ADec 9, 1986

Dual output DC-DC converter with independently controllable output voltages

GEN ELECTRIC110 citations96
US4581542AApr 8, 1986

Driver circuits for emitter switch gate turn-off SCR devices

GEN ELECTRIC68 citations96
US4445049AApr 24, 1984

Inverter for interfacing advanced energy sources to a utility grid

GEN ELECTRIC131 citations96
US4386394AMay 31, 1983

Single phase and three phase AC to DC converters

GEN ELECTRIC67 citations96
US4047138ASep 6, 1977

Power inductor and transformer with low acoustic noise air gap

GEN ELECTRIC111 citations96
US4042856AAug 16, 1977

Chopper ballast for gaseous discharge lamps with auxiliary capacitor energy storage

GEN ELECTRIC72 citations96
US5576940ANov 19, 1996

Front-end power converter for distributed power systems

GEN ELECTRIC116 citations95
US4684867AAug 4, 1987

Regenerative unipolar converter for switched reluctance motors using one main switching device per phase

GEN ELECTRIC82 citations95
US4039914AAug 2, 1977

Dynamic braking in controlled current motor drive systems

GEN ELECTRIC88 citations95
US5060130AOct 22, 1991

High-efficiency, high-density, power supply including an input boost power supply

GEN ELECTRIC46 citations93
US5038264AAug 6, 1991

Multiple-output, single-ended, resonant power converter

GEN ELECTRIC41 citations93
US4967109AOct 30, 1990

High efficiency gate driver circuit for a high frequency converter

GEN ELECTRIC27 citations93
US4845605AJul 4, 1989

High-frequency DC-DC power converter with zero-voltage switching of single primary-side power device

GEN ELECTRIC30 citations93
US4825348AApr 25, 1989

Resonant power converter with current sharing among multiple transformers

GEN ELECTRIC40 citations93
US4796173AJan 3, 1989

Low input voltage resonant power converter with high-voltage A.C. link

GEN ELECTRIC36 citations93
US4642745AFeb 10, 1987

Power circuit with high input power factor and a regulated output

GEN ELECTRIC33 citations93
US4477868AOct 16, 1984

High frequency series resonant dc-dc converter

GEN ELECTRIC29 citations93
US4424557AJan 3, 1984

Full bridge PWM inverter with distributed device switching

GEN ELECTRIC45 citations93
US4374355AFeb 15, 1983

Electrically isolated battery charger for on-board electric vehicle applications

GEN ELECTRIC33 citations93
US4323962AApr 6, 1982

High efficiency rectifier with multiple outputs

GEN ELECTRIC33 citations93
US4039926AAug 2, 1977

Current fed inverter with commutation independent of load inductance

GEN ELECTRIC33 citations93
US3987356AOct 19, 1976

Controlled capacitive filter for active loads

GEN ELECTRIC35 citations93
US3940682AFeb 24, 1976

Rectifier circuits using transistors as rectifying elements

GEN ELECTRIC34 citations93
US5283727AFeb 1, 1994

Independent control of the AC line current and output DC voltage of a high power factor AC-to-DC converter

GEN ELECTRIC39 citations92

MARTIN MARIETTA CORP

3 patents

KING ROBERT DEAN

2 patents

LOCKHEED CORP

1 patent

Showing the top 50 of 79 patents by PatentIndex Score.