David S. Mathews

Person

Okemos, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for determining indicated mean effective pressure
- Patent number 10,865,708
- Issue date Dec 15, 2020
- GM Global Technology Operations LLC
- Colby T. Stanley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Determination of engine parameter based on determining a metric ove...
- Patent number 10,731,582
- Issue date Aug 4, 2020
- GM Global Technology Operations LLC
- Nicholas J Kalweit
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods for determining crankshaft position based indic...
- Patent number 9,845,752
- Issue date Dec 19, 2017
- GM Global Technology Operations LLC
- Julian R. Verdejo
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Vehicle torque compensation system
- Patent number 9,581,100
- Issue date Feb 28, 2017
- GM Global Technology Operations LLC
- Marcus S. Gilbert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Stochastic pre-ignition detection systems and methods
- Patent number 9,097,196
- Issue date Aug 4, 2015
- GM Global Technology Operations LLC
- Kenneth J. Buslepp
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method for detecting misfire based on a firing pattern o...
- Patent number 8,601,862
- Issue date Dec 10, 2013
- GM Global Technology Operations LLC
- John V. Bowman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel cell system water management strategy for freeze capability
- Patent number 8,574,776
- Issue date Nov 5, 2013
- GM Global Technology Operations LLC
- Bruce J. Clingerman
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System and method for estimating indicated mean effective pressure...
- Patent number 8,532,908
- Issue date Sep 10, 2013
- GM Global Technology Operations LLC
- Jeffrey A. Morgan
- G01 - MEASURING TESTING
Information Patent Grant
Powertrain control system and methods with ECM-to-TCM parameter tra...
- Patent number 8,489,303
- Issue date Jul 16, 2013
- GM Global Technology Operations LLC
- Andrew W. Phillips
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Cylinder combustion performance monitoring and control
- Patent number 8,392,096
- Issue date Mar 5, 2013
- GM Global Technology Operations LLC
- David S. Mathews
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cylinder combustion performance monitoring and control with coordin...
- Patent number 8,307,808
- Issue date Nov 13, 2012
- GM Global Technology Operations LLC
- Jeffrey M. Kaiser
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Target wheel position detection systems
- Patent number 8,176,896
- Issue date May 15, 2012
- GM Global Technology Operations LLC
- Julian R. Verdejo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Synchronization diagnostic systems and methods for engine controllers
- Patent number 8,042,385
- Issue date Oct 25, 2011
- GM Global Technology Operations LLC
- Daniel G. Brennan
- G01 - MEASURING TESTING
Information Patent Grant
Pattern recognition for random misfire
- Patent number 8,027,782
- Issue date Sep 27, 2011
- GM Global Technology Operations LLC
- Tameem K. Assaf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine misfire and rough road detection systems and methods
- Patent number 7,950,273
- Issue date May 31, 2011
- GM Global Technology Operations LLC
- Tameem K. Assaf
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Individual cylinder fuel mass correction factor for high drivabilit...
- Patent number 7,941,265
- Issue date May 10, 2011
- GM Global Technology Operations LLC
- Jon C. Miller
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and control system for controlling an engine function based...
- Patent number 7,918,212
- Issue date Apr 5, 2011
- GM Global Technology Operations LLC
- Julian R. Verdejo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Cylinder pressure sensor diagnostic system and method
- Patent number 7,726,281
- Issue date Jun 1, 2010
- GM Global Technology Operations, Inc.
- Kenneth J. Buslepp
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Cylinder torque balancing for internal combustion engines
- Patent number 7,654,248
- Issue date Feb 2, 2010
- GM Global Technology Operations, Inc.
- Kenneth J. Buslepp
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and system for collecting crankshaft position data
- Patent number 7,610,800
- Issue date Nov 3, 2009
- GM Global Technology Operations, Inc.
- Xuan Dung T. Avallone
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of crank signal disturbance compensation
- Patent number 7,607,415
- Issue date Oct 27, 2009
- GM Global Technology Operations, Inc.
- David S. Mathews
- G01 - MEASURING TESTING
Information Patent Grant
Cylinder torque balancing for internal combustion engines
- Patent number 7,500,470
- Issue date Mar 10, 2009
- GM Global Technology Operations, Inc.
- Kenneth J. Buslepp
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Misfire detection apparatus for internal combustion engine based on...
- Patent number 7,353,803
- Issue date Apr 8, 2008
- GM Global Technology Operations, Inc.
- David S. Mathews
- G01 - MEASURING TESTING
Information Patent Grant
Rough road detection system using normalization analysis
- Patent number 7,325,446
- Issue date Feb 5, 2008
- GM Global Technology Operations, Inc.
- Tameem K. Assaf
- G01 - MEASURING TESTING
Information Patent Grant
Rough road detection system
- Patent number 7,240,540
- Issue date Jul 10, 2007
- GM Global Technology Operations, Inc.
- Tameem K. Assaf
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Misfire detection system for displacement on demand (DOD) engine
- Patent number 7,188,023
- Issue date Mar 6, 2007
- GM Global Technology Operations, Inc.
- Gregory F. O'Daniel
- G01 - MEASURING TESTING
Information Patent Grant
Idle speed control using alternator
- Patent number 7,036,484
- Issue date May 2, 2006
- General Motors Corporation
- David S. Mathews
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Methods and apparatus for sensing misfire in an internal combustion...
- Patent number 6,801,848
- Issue date Oct 5, 2004
- General Motors Corporation
- David S. Mathews
- G01 - MEASURING TESTING
Information Patent Grant
Encoded crank position sensor
- Patent number 6,752,009
- Issue date Jun 22, 2004
- General Motors Corporation
- Timothy L. Minich
- G01 - MEASURING TESTING
Information Patent Grant
Target wheel tooth detection
- Patent number 6,609,498
- Issue date Aug 26, 2003
- General Motors Corporation
- David Stewart Mathews
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR DETERMINING INDICATED MEAN EFFECTIVE PRESSURE
- Publication number 20200248618
- Publication date Aug 6, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Colby T. Stanley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DETERMINATION OF ENGINE PARAMETER BASED ON DETERMINING A METRIC OVE...
- Publication number 20180135544
- Publication date May 17, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Nicholas J. Kalweit
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VEHICLE TORQUE COMPENSATION SYSTEM
- Publication number 20150354486
- Publication date Dec 10, 2015
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Marcus S. Gilbert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR DETECTING MISFIRE BASED ON A FIRING PATTERN O...
- Publication number 20130312504
- Publication date Nov 28, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John V. Bowman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
STOCHASTIC PRE-IGNITION DETECTION SYSTEMS AND METHODS
- Publication number 20130054109
- Publication date Feb 28, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Kenneth J. Buslepp
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR ESTIMATING INDICATED MEAN EFFECTIVE PRESSURE...
- Publication number 20120310505
- Publication date Dec 6, 2012
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jeffrey A. Morgan
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS FOR DETERMINING CRANKSHAFT POSITION BASED INDIC...
- Publication number 20120078485
- Publication date Mar 29, 2012
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Julian R. Verdejo
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
POWERTRAIN CONTROL SYSTEM AND METHODS WITH ECM-TO-TCM PARAMETER TRA...
- Publication number 20110288734
- Publication date Nov 24, 2011
- GM Global Technology Operations, Inc.
- Andrew W. Phillips
- B60 - VEHICLES IN GENERAL
Information Patent Application
CYLINDER COMBUSTION PERFORMANCE MONITORING AND CONTROL
- Publication number 20110253101
- Publication date Oct 20, 2011
- GM Global Technology Operations, Inc.
- David S. Mathews
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CYLINDER COMBUSTION PERFORMANCE MONITORING AND CONTROL WITH COORDIN...
- Publication number 20110253100
- Publication date Oct 20, 2011
- GM Global Technology Operations, Inc.
- Jeffrey M. Kaiser
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PATTERN RECOGNITION FOR RANDOM MISFIRE
- Publication number 20110066358
- Publication date Mar 17, 2011
- GM Global Technology Operations, Inc.
- Tameem K. Assaf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYNCHRONIZATION DIAGNOSTIC SYSTEMS AND METHODS FOR ENGINE CONTROLLERS
- Publication number 20110056278
- Publication date Mar 10, 2011
- GM Global Technology Operations, Inc.
- Daniel G. Brennan
- G01 - MEASURING TESTING
Information Patent Application
INDIVIDUAL CYLINDER FUEL MASS CORRECTION FACTOR FOR HIGH DRIVABILIT...
- Publication number 20100191445
- Publication date Jul 29, 2010
- GM Global Technology Operations, Inc.
- Jon C. Miller
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Target wheel position detection systems
- Publication number 20100083936
- Publication date Apr 8, 2010
- GM Global Technology Operations, Inc.
- Julian R. Verdejo
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD AND CONTROL SYSTEM FOR CONTROLLING AN ENGINE FUNCTION BASED...
- Publication number 20100088010
- Publication date Apr 8, 2010
- GM Global Technology Operations, Inc.
- Julian R. Verdejo
- B60 - VEHICLES IN GENERAL
Information Patent Application
FILTERING FOR ROUGH ROAD DETECTION
- Publication number 20090120175
- Publication date May 14, 2009
- GM Global Technology Operations, Inc.
- Tameem K. Assaf
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD AND SYSTEM FOR COLLECTING CRANKSHAFT POSITION DATA
- Publication number 20090056429
- Publication date Mar 5, 2009
- GM Global Technology Operations, Inc.
- Xuan Dung Avallone
- B60 - VEHICLES IN GENERAL
Information Patent Application
CYLINDER PRESSURE SENSOR DIAGNOSTIC SYSTEM AND METHOD
- Publication number 20090043475
- Publication date Feb 12, 2009
- GM Global Technology Operations, Inc.
- Kenneth J. Buslepp
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
CYLINDER TORQUE BALANCING FOR INTERNAL COMBUSTION ENGINES
- Publication number 20080133111
- Publication date Jun 5, 2008
- GM Global Technology Operations, Inc.
- Kenneth J. Buslepp
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ROUGH ROAD DETECTION SYSTEM USING NORMALIZATION ANALYSIS
- Publication number 20080011069
- Publication date Jan 17, 2008
- Tameem K. Assaf
- G01 - MEASURING TESTING
Information Patent Application
Fuel cell system water management strategy for freeze capability
- Publication number 20070298289
- Publication date Dec 27, 2007
- Bruce J. Clingerman
- B60 - VEHICLES IN GENERAL
Information Patent Application
Cylinder torque balancing for internal combustion engines
- Publication number 20070261669
- Publication date Nov 15, 2007
- Kenneth J. Buslepp
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Misfire detection apparatus for internal combustion engine based on...
- Publication number 20070137289
- Publication date Jun 21, 2007
- David S. Mathews
- G01 - MEASURING TESTING
Information Patent Application
Rough road detection system
- Publication number 20070095130
- Publication date May 3, 2007
- Tameem K. Assaf
- B60 - VEHICLES IN GENERAL
Information Patent Application
Idle speed control using alternator
- Publication number 20040206332
- Publication date Oct 21, 2004
- David S. Mathews
- B60 - VEHICLES IN GENERAL
Information Patent Application
REDUNDANT SENSOR WITH CYLINDER SHUTDOWN
- Publication number 20030111058
- Publication date Jun 19, 2003
- David Stewart Mathews
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Encoded crank position sensor
- Publication number 20030037607
- Publication date Feb 27, 2003
- Timothy L. Minich
- G01 - MEASURING TESTING
Information Patent Application
Target wheel tooth detection
- Publication number 20030000498
- Publication date Jan 2, 2003
- David Stewart Mathews
- G01 - MEASURING TESTING

David S. Mathews

Person

Patents Grantslast 30 patents

Systems and methods for determining indicated mean effective pressure

Determination of engine parameter based on determining a metric ove...

Systems and methods for determining crankshaft position based indic...

Vehicle torque compensation system

Stochastic pre-ignition detection systems and methods

System and method for detecting misfire based on a firing pattern o...

Fuel cell system water management strategy for freeze capability

System and method for estimating indicated mean effective pressure...

Powertrain control system and methods with ECM-to-TCM parameter tra...

Cylinder combustion performance monitoring and control

Cylinder combustion performance monitoring and control with coordin...

Target wheel position detection systems

Synchronization diagnostic systems and methods for engine controllers

Pattern recognition for random misfire

Engine misfire and rough road detection systems and methods

Individual cylinder fuel mass correction factor for high drivabilit...

Method and control system for controlling an engine function based...

Cylinder pressure sensor diagnostic system and method

Cylinder torque balancing for internal combustion engines

Method and system for collecting crankshaft position data

Method of crank signal disturbance compensation

Cylinder torque balancing for internal combustion engines

Misfire detection apparatus for internal combustion engine based on...

Rough road detection system using normalization analysis

Rough road detection system

Misfire detection system for displacement on demand (DOD) engine

Idle speed control using alternator

Methods and apparatus for sensing misfire in an internal combustion...

Encoded crank position sensor

Target wheel tooth detection

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR DETERMINING INDICATED MEAN EFFECTIVE PRESSURE

DETERMINATION OF ENGINE PARAMETER BASED ON DETERMINING A METRIC OVE...

VEHICLE TORQUE COMPENSATION SYSTEM

SYSTEM AND METHOD FOR DETECTING MISFIRE BASED ON A FIRING PATTERN O...

STOCHASTIC PRE-IGNITION DETECTION SYSTEMS AND METHODS

SYSTEM AND METHOD FOR ESTIMATING INDICATED MEAN EFFECTIVE PRESSURE...

SYSTEMS AND METHODS FOR DETERMINING CRANKSHAFT POSITION BASED INDIC...

POWERTRAIN CONTROL SYSTEM AND METHODS WITH ECM-TO-TCM PARAMETER TRA...

CYLINDER COMBUSTION PERFORMANCE MONITORING AND CONTROL

CYLINDER COMBUSTION PERFORMANCE MONITORING AND CONTROL WITH COORDIN...

PATTERN RECOGNITION FOR RANDOM MISFIRE

SYNCHRONIZATION DIAGNOSTIC SYSTEMS AND METHODS FOR ENGINE CONTROLLERS

INDIVIDUAL CYLINDER FUEL MASS CORRECTION FACTOR FOR HIGH DRIVABILIT...

Target wheel position detection systems

METHOD AND CONTROL SYSTEM FOR CONTROLLING AN ENGINE FUNCTION BASED...

FILTERING FOR ROUGH ROAD DETECTION

METHOD AND SYSTEM FOR COLLECTING CRANKSHAFT POSITION DATA

CYLINDER PRESSURE SENSOR DIAGNOSTIC SYSTEM AND METHOD

CYLINDER TORQUE BALANCING FOR INTERNAL COMBUSTION ENGINES

ROUGH ROAD DETECTION SYSTEM USING NORMALIZATION ANALYSIS

Fuel cell system water management strategy for freeze capability

Cylinder torque balancing for internal combustion engines

Misfire detection apparatus for internal combustion engine based on...

Rough road detection system

Idle speed control using alternator

REDUNDANT SENSOR WITH CYLINDER SHUTDOWN

Encoded crank position sensor

Target wheel tooth detection