Inventor · disambiguated record
David S. Mathews
Also filed as: MATHEWS DAVID · MATHEWS DAVID K · MATHEWS DAVID S · MATHEWS DAVID STEWART
35 granted patents·1 pending application·537 citations·filing 1994–2019
98Inventor score
Files withGM GLOBAL TECH OPERATIONS INC14GEN MOTORS CORP7GM GLOBAL TECH OPERATIONS LLC3VERDEJO JULIAN R2BOWMAN JOHN V1
Top patents by PatentIndex Score
36 records- 0197US7918212B2Method and control system for controlling an engine function based on crankshaft accelerationGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Apr 5, 2011·64 cites·20 claims
- 0294US7325446B1Rough road detection system using normalization analysisGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Feb 5, 2008·25 cites·18 claims
- 0393US7500470B2Cylinder torque balancing for internal combustion enginesGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Mar 10, 2009·28 cites·37 claims
- 0493US6474278B1Global cam sensing systemGEN MOTORS CORP·Filed 2000·Granted Nov 5, 2002·45 cites·24 claims
- 0592US8601862B1System and method for detecting misfire based on a firing pattern of an engine and engine torqueBOWMAN JOHN V·Filed 2012·Granted Dec 10, 2013·23 cites·20 claims
- 0692US7188023B1Misfire detection system for displacement on demand (DOD) engineGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Mar 6, 2007·26 cites·28 claims
- 0791US8392096B2Cylinder combustion performance monitoring and controlMATHEWS DAVID S·Filed 2010·Granted Mar 5, 2013·20 cites·20 claims
- 0890US8027782B2Pattern recognition for random misfireGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Sep 27, 2011·19 cites·20 claims
- 0990US7654248B2Cylinder torque balancing for internal combustion enginesGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Feb 2, 2010·23 cites·28 claims
- 1089US8307808B2Cylinder combustion performance monitoring and control with coordinated torque controlKAISER JEFFREY M·Filed 2010·Granted Nov 13, 2012·10 cites·20 claims
- 1189US6609498B2Target wheel tooth detectionGEN MOTORS CORP·Filed 2001·Granted Aug 26, 2003·41 cites·11 claims
- 1288US8532908B2System and method for estimating indicated mean effective pressure of cylinders in an engineMORGAN JEFFREY A·Filed 2011·Granted Sep 10, 2013·11 cites·20 claims
- 1387US7353803B2Misfire detection apparatus for internal combustion engine based on piston speedGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Apr 8, 2008·17 cites·26 claims
- 1485US6487752B1Sliding door stopFiled 2001·Granted Dec 3, 2002·32 cites·5 claims
- 1584US8042385B2Synchronization diagnostic systems and methods for engine controllersGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Oct 25, 2011·11 cites·20 claims
- 1684US7607415B2Method of crank signal disturbance compensationGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 27, 2009·16 cites·15 claims
- 1782US10731582B2Determination of engine parameter based on determining a metric over three or more cylinder combustion cyclesGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Aug 4, 2020·2 cites·16 claims
- 1881US8489303B2Powertrain control system and methods with ECM-to-TCM parameter transfer protocols for TCM based controlPHILLIPS ANDREW W·Filed 2010·Granted Jul 16, 2013·7 cites·18 claims
- 1979US9845752B2Systems and methods for determining crankshaft position based indicated mean effective pressure (IMEP)VERDEJO JULIAN R·Filed 2011·Granted Dec 19, 2017·5 cites·9 claims
- 2078US8176896B2Target wheel position detection systemsVERDEJO JULIAN R·Filed 2009·Granted May 15, 2012·10 cites·20 claims
- 2178US6752009B2Encoded crank position sensorGEN MOTORS CORP·Filed 2001·Granted Jun 22, 2004·25 cites·19 claims
- 2277US7726281B2Cylinder pressure sensor diagnostic system and methodGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jun 1, 2010·11 cites·20 claims
- 2374US6801848B1Methods and apparatus for sensing misfire in an internal combustion engineGEN MOTORS CORP·Filed 2003·Granted Oct 5, 2004·16 cites·21 claims
- 2473US9097196B2Stochastic pre-ignition detection systems and methodsBUSLEPP KENNETH J·Filed 2011·Granted Aug 4, 2015·3 cites·12 claims
- 2570US8574776B2Fuel cell system water management strategy for freeze capabilityCLINGERMAN BRUCE J·Filed 2006·Granted Nov 5, 2013·2 cites·14 claims
- 2669US7240540B2Rough road detection systemGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 10, 2007·5 cites·20 claims
- 2763US7950273B2Engine misfire and rough road detection systems and methodsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted May 31, 2011·4 cites·42 claims
- 2861US6588404B1Redundant sensor with cylinder shutdownGEN MOTORS CORP·Filed 2001·Granted Jul 8, 2003·10 cites·10 claims
- 2958US7941265B2Individual cylinder fuel mass correction factor for high drivability index (HIDI) fuelGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted May 10, 2011·3 cites·18 claims
- 3053US7036484B2Idle speed control using alternatorGEN MOTORS CORP·Filed 2003·Granted May 2, 2006·7 cites·15 claims
- 3152US7610800B2Method and system for collecting crankshaft position dataGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 3, 2009·2 cites·20 claims
- 3249US5573474AMethod for controlling ignition timing for an internal combustion engineGEN MOTORS CORP·Filed 1994·Granted Nov 12, 1996·14 cites·5 claims
- 3349US2006183405A1System for monitoring operation of a toy vehicleMATHEWS DAVID K·Filed 2005·Application pending·0 cites
- 3447US10865708B2Systems and methods for determining indicated mean effective pressureGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Dec 15, 2020·0 cites·20 claims
- 3547US10302021B2Detection of uncommanded and uncontrollable high thrust eventsPRATT & WHITNEY CANADA·Filed 2017·Granted May 28, 2019·0 cites·20 claims
- 3645US9581100B2Vehicle torque compensation systemGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Feb 28, 2017·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →