Inventor · disambiguated record
Christopher R. Graham
Also filed as: GRAHAM CHRISTOPHER R
9 granted patents·153 citations·filing 2005–2009
89Inventor score
Files withGM GLOBAL TECH OPERATIONS INC4GEN MOTORS CORP1GM GLOBAL TECHNOLOGIES OPERATIONS INC1LUCIDO MICHAEL J1WANG WENBO1
Top patents by PatentIndex Score
9 records- 0195US7885756B2Multi-pulse spark ignition direct injection torque based systemGM GLOBAL TECHNOLOGIES OPERATIONS INC·Filed 2009·Granted Feb 8, 2011·44 cites·20 claims
- 0295US7159623B1Apparatus and methods for estimating vehicle fuel compositionGEN MOTORS CORP·Filed 2005·Granted Jan 9, 2007·44 cites·22 claims
- 0390US8091532B2Diagnostic systems and methods for a pressure sensor during driving conditionsWANG WENBO·Filed 2009·Granted Jan 10, 2012·15 cites·20 claims
- 0486US7258101B1Automotive catalyst excess oxygen reduction systemGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Aug 21, 2007·15 cites·15 claims
- 0584US8091531B2Diagnostic systems and methods for a pressure sensor during idle conditionsLUCIDO MICHAEL J·Filed 2009·Granted Jan 10, 2012·12 cites·20 claims
- 0684US7878175B2Torque reserve and emission control system for coordinated torque controlGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Feb 1, 2011·11 cites·20 claims
- 0768US8280612B2Multi-pulse enable determination and transition control systems and methodsWHITNEY CHRISTOPHER E·Filed 2009·Granted Oct 2, 2012·4 cites·19 claims
- 0865US7771311B2Enhanced catalyst performance by engine load adjustmentGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Aug 10, 2010·6 cites·18 claims
- 0951US7467511B2Emission control strategy for lean idleGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Dec 23, 2008·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →