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Electrical switching device having current balanced transistors

US7567447 - Jul 28, 2009

Capacitor mounting type inverter unit having a recessed cover

US7542318 - Jun 02, 2009

Dc-dc converter recycling leakage inductor losses via auxiliary dc regulator

US7511972 - Mar 31, 2009

Solar backpack

US20080210728 - Sep 04, 2008

Dynamically optimized power converter

US7412612 - Aug 12, 2008

Casimir effect conversion

US7411772 - Aug 12, 2008

Quantum vacuum energy extraction

US7379286 - May 27, 2008

Current/charge-voltage converter and reset method

US7161817 - Jan 09, 2007

Antirotational structures for wave energy converters

US20050237775 - Oct 27, 2005

Dynamically optimized power converter

US20050219883 - Oct 06, 2005

Method for energy extraction--ii

US6920032 - Jul 19, 2005

Apparatus for energy extraction-i

US6842326 - Jan 11, 2005

Electronic distribution system for 36v automobiles

US6800957 - Oct 05, 2004

Power converter, and photovoltaic element module and power generator using the same

US6791024 - Sep 14, 2004

Power supply system with secondary control circuitry providing power-based feedback

US6757182 - Jun 29, 2004

Aternating current photovoltaic building block

US6750391 - Jun 15, 2004

Method for energy extraction-i

US6665167 - Dec 16, 2003

Isolated switching power supply having volt-second clamping circuit

US20030012043 - Jan 16, 2003

Method and apparatus for energy extraction

US6477028 - Nov 05, 2002

Power converter with increased breakdown voltage maintaining stable operation

US20020131287 - Sep 19, 2002

Electric drive system

US5816870 - Oct 06, 1998

Integrated electrical power supply system for propulsion and service control

US5684690 - Nov 04, 1997

Portable computer system with mechanism for accumulating mechanical energy for powering the system

US5630155 - May 13, 1997

System for converting electromagnetic radiation energy to electrical energy

US5590031 - Dec 31, 1996

Dc-to-dc converter using scrs with natural commutation

US5216683 - Jun 01, 1993

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