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 patentsUS4864479ASep 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 patentsUS5414238AMay 9, 1995
Resonant power supply for an arcjet thruster
MARTIN MARIETTA CORP147 citations99
US5377090ADec 27, 1994
Pulsed power converter with multiple output voltages
MARTIN MARIETTA CORP90 citations96
US5451962ASep 19, 1995
Boost regulated capacitor multiplier for pulse load
MARTIN MARIETTA CORP51 citations93
KING ROBERT DEAN
2 patentsLOCKHEED CORP
1 patentShowing the top 50 of 79 patents by PatentIndex Score.