P

Inventor

WILES MATTHEW A

US12 patents
⚠️ This page may combine multiple inventors who share the name “WILES MATTHEW A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GM GLOBAL TECH OPERATIONS INC

6 patents
US7444236B2Oct 28, 2008

Discrete variable valve lift diagnostic control system

GM GLOBAL TECH OPERATIONS INC59 citations96
US7698935B2Apr 20, 2010

Diagnostic system for valve actuation mechanism

GM GLOBAL TECH OPERATIONS INC22 citations92
US7975668B2Jul 12, 2011

Spark timing and control during transitions between spark ignited combustion and homogenous charge compression ignition

GM GLOBAL TECH OPERATIONS INC12 citations83
US7523723B2Apr 28, 2009

System and method for determining ethanol content in fuel

GM GLOBAL TECH OPERATIONS INC12 citations83
US7387018B2Jun 17, 2008

Discrete variable valve lift diagnostic systems and methods

GM GLOBAL TECH OPERATIONS INC16 citations82
US7322339B1Jan 29, 2008

Apparent torque reserve at idle for direct injected engines

GM GLOBAL TECH OPERATIONS INC4 citations62

KANG JUN-MO

1 patent
US8290686B2Oct 16, 2012

Method for controlling combustion mode transitions for an internal combustion engine

KANG JUN-MO3 citations62

MARRIOTT CRAIG D

1 patent
US8590507B2Nov 26, 2013

Variable valve actuation control systems and methods

MARRIOTT CRAIG D2 citations61

BAGNASCO ANDREW P

1 patent
US8682569B2Mar 25, 2014

Systems and methods for diagnosing valve lift mechanisms and oil control valves of camshaft lift systems

BAGNASCO ANDREW P3 citations60

RAYL ALLEN B

1 patent
US8220436B2Jul 17, 2012

HCCI/SI combustion switching control system and method

RAYL ALLEN B1 citations51

BRENNAN DANIEL G

1 patent
US8839750B2Sep 23, 2014

System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems

BRENNAN DANIEL G1 citations49

WILES MATTHEW A

1 patent
US8478476B2Jul 2, 2013

System for detecting operating errors in a variable valve timing engine using pressure sensors

WILES MATTHEW A0 citations44