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Inventor

GRAHAM CHRISTOPHER R

US9 patents
⚠️ This page may combine multiple inventors who share the name “GRAHAM CHRISTOPHER R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GM GLOBAL TECH OPERATIONS INC

4 patents
US7258101B1Aug 21, 2007

Automotive catalyst excess oxygen reduction system

GM GLOBAL TECH OPERATIONS INC15 citations84
US7878175B2Feb 1, 2011

Torque reserve and emission control system for coordinated torque control

GM GLOBAL TECH OPERATIONS INC11 citations82
US7771311B2Aug 10, 2010

Enhanced catalyst performance by engine load adjustment

GM GLOBAL TECH OPERATIONS INC6 citations72
US7467511B2Dec 23, 2008

Emission control strategy for lean idle

GM GLOBAL TECH OPERATIONS INC2 citations62

GM GLOBAL TECHNOLOGIES OPERATIONS INC

1 patent
US7885756B2Feb 8, 2011

Multi-pulse spark ignition direct injection torque based system

GM GLOBAL TECHNOLOGIES OPERATIONS INC44 citations95

GEN MOTORS CORP

1 patent
US7159623B1Jan 9, 2007

Apparatus and methods for estimating vehicle fuel composition

GEN MOTORS CORP44 citations91

WANG WENBO

1 patent
US8091532B2Jan 10, 2012

Diagnostic systems and methods for a pressure sensor during driving conditions

WANG WENBO15 citations83

LUCIDO MICHAEL J

1 patent
US8091531B2Jan 10, 2012

Diagnostic systems and methods for a pressure sensor during idle conditions

LUCIDO MICHAEL J12 citations79

WHITNEY CHRISTOPHER E

1 patent
US8280612B2Oct 2, 2012

Multi-pulse enable determination and transition control systems and methods

WHITNEY CHRISTOPHER E4 citations62