Inventor
O'BRIEN JOHN F
US32 patents
⚠️ This page may combine multiple inventors who share the name “O'BRIEN JOHN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELPHI TECH INC
8 patentsUS6562496B2May 13, 2003
Integrated solid oxide fuel cell mechanization and method of using for transportation industry applications
DELPHI TECH INC136 citations95
US6390217B1May 21, 2002
Vehicle front end air control
DELPHI TECH INC105 citations95
US6732942B1May 11, 2004
Heating, venting, and air conditioning system for providing supplemental heat in a vehicle
DELPHI TECH INC30 citations92
US8051906B2Nov 8, 2011
Secondary loop-integral heater core and cooler
DELPHI TECH INC7 citations84
US6823690B2Nov 30, 2004
Integrated electrical generator/starter and air conditioning compressor device and system and method for controlling same
DELPHI TECH INC16 citations82
US6759154B2Jul 6, 2004
Water recovery for a fuel cell system
DELPHI TECH INC18 citations80
US6189325B1Feb 20, 2001
Air conditioning system for a motor vehicle
DELPHI TECH INC14 citations69
US6185947B1Feb 13, 2001
Air conditioning system for a motor vehicle
DELPHI TECH INC4 citations58
XEROX CORP
7 patentsUS4660059AApr 21, 1987
Color printing machine
XEROX CORP61 citations96
US5010368AApr 23, 1991
Magnetic transport roll for supplying toner or carrier and toner to a donor and magnetic developer roll respectively
XEROX CORP29 citations92
US3935517AJan 27, 1976
Constant current charging device
XEROX CORP41 citations92
US5579100ANov 26, 1996
Single positive recharge method and apparatus for color image formation
XEROX CORP12 citations73
US4131360ADec 26, 1978
Duplex reproduction system employing copy sheet cleaner
XEROX CORP6 citations63
US4023895AMay 17, 1977
Electrostatographic apparatus
XEROX CORP6 citations63
US7403728B2Jul 22, 2008
Calibration apparatus and method for charging unit of image forming device
XEROX CORP4 citations58