| Patent | Date |
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Switching Array And Methods Of Manufacturing And Operation
App 20110316608 - Keimel; Christopher Fred ; et al. | 2011-12-29 |
Micro-electromechanical system based soft switching
Grant 7,633,725 - Premerlani , et al. December 15, 2 | 2009-12-15 |
Ring configuration for compact power supply of power electronics
Grant 7,619,325 - Hennessy , et al. November 17, 2 | 2009-11-17 |
Snubbers for low temperature power electronics
Grant 7,369,377 - Hennessy , et al. May 6, 2 | 2008-05-06 |
Micro-electromechanical system based arc-less switching
App 20070139829 - Arthur; Stephen Daley ; et al. | 2007-06-21 |
Micro-electromechanical system based soft switching
App 20070139830 - Premerlani; William James ; et al. | 2007-06-21 |
Modular surge suppression system and method
Grant 6,118,643 - Dyer , et al. September 12, 2 | 2000-09-12 |
Switching gradient amplifier with adjustable DC bus voltage
Grant 5,663,647 - Wirth , et al. September 2, 1 | 1997-09-02 |
Contactless power transfer system for a rotational load
Grant 5,608,771 - Steigerwald , et al. March 4, 1 | 1997-03-04 |
Resonant power supply for an arcjet thruster
Grant 5,414,238 - Steigerwald , et al. May 9, 1 | 1995-05-09 |
Power supply system for arcjet thrusters
Grant 5,359,180 - Park , et al. October 25, 1 | 1994-10-25 |
Resonant high-voltage pulser for arcjet thruster ignition
Grant 5,352,861 - Steigerwald , et al. October 4, 1 | 1994-10-04 |
Split gradient amplifier for an MRI system
Grant 5,270,657 - Wirth , et al. December 14, 1 | 1993-12-14 |
Resonant inverter employing frequency and phase modulation using optimal trajectory control
Grant RE33,866 - Schutten , et al. March 31, 1 | 1992-03-31 |
Transformer-coupled gradient speed-up circuit
Grant 5,063,349 - Roemer , et al. November 5, 1 | 1991-11-05 |
Gradient current speed-up circuit for high-speed NMR imaging system
Grant 4,961,054 - Park , et al. October 2, 1 | 1990-10-02 |
Resonant inverter employing frequency and phase modulation using optimal trajectory control
Grant 4,951,185 - Schutten , et al. August 21, 1 | 1990-08-21 |
Series resonant inverter with lossless snubber-resetting components
Grant 4,876,635 - Park , et al. October 24, 1 | 1989-10-24 |
Resonant inverter with improved control
Grant 4,672,528 - Park , et al. June 9, 1 | 1987-06-09 |
Resonant inverter having improved control at enablement
Grant 4,670,832 - Park June 2, 1 | 1987-06-02 |
Full load to no-load control for a voltage fed resonant inverter
Grant 4,541,041 - Park , et al. September 10, 1 | 1985-09-10 |
Electrically isolated battery charger for on-board electric vehicle applications
Grant 4,374,355 - Steigerwald , et al. February 15, 1 | 1983-02-15 |
FET Motor drive system
Grant 4,347,464 - Park , et al. August 31, 1 | 1982-08-31 |
Resonant-flyback power supply with filament winding for magnetron and the like loads
Grant 4,318,165 - Kornrumpf , et al. March 2, 1 | 1982-03-02 |
Rectifier circuits using transistors as rectifying elements
Grant 3,940,682 - Park , et al. February 24, 1 | 1976-02-24 |
Power circuits for obtaining a high power factor electronically
Grant 3,913,002 - Steigerwald , et al. October 14, 1 | 1975-10-14 |
Solid state chopper ballast for gaseous discharge lamps
Grant 3,890,537 - Park , et al. June 17, 1 | 1975-06-17 |
Rectifier Circuits Using At Least One Multi-winding Transformer In Combination With Transistors Connected In An Inverter Mode And Arranged In A Bridge Configuration
Grant 3,851,240 - Park , et al. November 26, 1 | 1974-11-26 |
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