P

Inventor

HENZE CHRISTOPHER P

US25 patents
⚠️ This page may combine multiple inventors who share the name “HENZE CHRISTOPHER P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNISYS CORP

8 patents
US4953068AAug 28, 1990

Full bridge power converter with multiple zero voltage resonant transition switching

UNISYS CORP243 citations99
US4924170AMay 8, 1990

Current sharing modular power supply

UNISYS CORP166 citations99
US4761725AAug 2, 1988

Digitally controlled A.C. to D.C. power conditioner

UNISYS CORP249 citations99
US4855888AAug 8, 1989

Constant frequency resonant power converter with zero voltage switching

UNISYS CORP232 citations98
US5057986AOct 15, 1991

Zero-voltage resonant transition switching power converter

UNISYS CORP94 citations95
US4885675ADec 5, 1989

Transformer isolated AC to DC power conditioner with resistive input current

UNISYS CORP49 citations93
US4725940AFeb 16, 1988

Quantized duty ratio power sharing converters

UNISYS CORP23 citations82
US4930063AMay 29, 1990

Variable resonance regulator for power supply

UNISYS CORP18 citations71

SCHOTT POWER SYSTEMS INC

3 patents
US5926004AJul 20, 1999

Method and apparatus for charging one or more electric vehicles

SCHOTT POWER SYSTEMS INC160 citations98
US5803215ASep 8, 1998

Method and apparatus for charging a plurality of electric vehicles

SCHOTT POWER SYSTEMS INC155 citations93
US5821755AOct 13, 1998

Apparatus and method for obtaining power from a battery charger

SCHOTT POWER SYSTEMS INC14 citations73

GEN MOTORS CORP

3 patents
US6548985B1Apr 15, 2003

Multiple input single-stage inductive charger

GEN MOTORS CORP121 citations96
US7253584B2Aug 7, 2007

Isolated high voltage battery charger and integrated battery pack

GEN MOTORS CORP49 citations87
US7224559B2May 29, 2007

Differential current detection

GEN MOTORS CORP4 citations54

SPERRY CORP

3 patents
US4630187ADec 16, 1986

Power converter with duty ratio quantization

SPERRY CORP134 citations96
US4678984AJul 7, 1987

Digital power converter input current control circuit

SPERRY CORP37 citations92
US4573168AFeb 25, 1986

Balanced bidirectional or party line transceiver accommodating common-mode offset voltage

SPERRY CORP49 citations89

NICOLLET TECHNOLOGIES CORP

2 patents
US7009347B2Mar 7, 2006

Multiple discharge load electronic ballast system

NICOLLET TECHNOLOGIES CORP10 citations73
US6624600B1Sep 23, 2003

Lamp power measurement circuit

NICOLLET TECHNOLOGIES CORP6 citations62

THERMO KING CORP

2 patents
US9431820B2Aug 30, 2016

Vehicle or environment-controlled unit having a multiphase alternator with a protected high-voltage bus

THERMO KING CORP2 citations61
US9172238B2Oct 27, 2015

Vehicle or environment-controlled unit having a multiphase alternator with a protected high-voltage bus

THERMO KING CORP0 citations50

GM GLOBAL TECH OPERATIONS INC

1 patent
US8022569B2Sep 20, 2011

Systems and methods for discharging bus voltage using semiconductor devices

GM GLOBAL TECH OPERATIONS INC8 citations84

NEDDERMEYER III ROBERT N

1 patent
US8827017B2Sep 9, 2014

Vehicle or environment-controlled unit having a multiphase alternator with a protected high-voltage bus

NEDDERMEYER III ROBERT N4 citations69

CHEN KEMING

1 patent
US8058743B2Nov 15, 2011

Automotive electrical system for coupling power converters with a transformer

CHEN KEMING2 citations61

JANG SEOK

1 patent
US8228014B2Jul 24, 2012

Multi-phase DC/DC boost converter

JANG SEOK4 citations54