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Gregory P. Matthews
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Bloomfield Hill, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for estimating mass airflow using a mass airflow...
Patent number
10,934,960
Issue date
Mar 2, 2021
GM Global Technology Operations LLC
Zhijian J. Wu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Intake manifold and cylinder airflow estimation systems and methods
Patent number
10,655,550
Issue date
May 19, 2020
GM Global Technology Operations LLC
Christopher E. Whitney
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
EGR and reformate fraction estimation in a dedicated EGR engine
Patent number
10,480,435
Issue date
Nov 19, 2019
GM Global Technology Operations LLC
Jun-mo Kang
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air per cylinder determination systems and methods
Patent number
10,337,441
Issue date
Jul 2, 2019
GM Global Technology Operations LLC
Gregory P. Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air per cylinder determination systems and methods
Patent number
9,534,550
Issue date
Jan 3, 2017
GM Global Technology Operations LLC
Gregory P. Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System and method for predicting parameters associated with airflow...
Patent number
9,494,092
Issue date
Nov 15, 2016
GM Global Technology Operations LLC
Zhiping Steven Liu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Intake runner temperature determination systems and methods
Patent number
9,458,779
Issue date
Oct 4, 2016
GM Global Technology Operations LLC
Daniel G. Brennan
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Volumetric efficiency determination systems and methods
Patent number
9,376,973
Issue date
Jun 28, 2016
GM Global Technology Operations LLC
Daniel G. Brennan
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Air mass determination for cylinder activation and deactivation con...
Patent number
9,249,747
Issue date
Feb 2, 2016
GM Global Technology Operations LLC
Gregory P. Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Intake port pressure prediction for cylinder activation and deactiv...
Patent number
9,222,427
Issue date
Dec 29, 2015
GM Global Technology Operations LLC
Gregory P. Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Control system and method for a homogeneous charge compression igni...
Patent number
9,151,240
Issue date
Oct 6, 2015
GM Global Technology Operations LLC
Gregory P. Matthews
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for controlling a powertrain system including...
Patent number
8,527,120
Issue date
Sep 3, 2013
GM Global Technology Operations LLC
Gregory P. Matthews
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Torque split strategy for a belt alternator starter (BAS) hybrid
Patent number
7,953,539
Issue date
May 31, 2011
GM Global Technology Operations LLC
Gregory P. Matthews
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Tip-in bump reduction methods and systems
Patent number
7,524,255
Issue date
Apr 28, 2009
GM Global Technology Operations, Inc.
Gregory P. Matthews
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air dynamic steady state and transient detection method for cam pha...
Patent number
7,464,676
Issue date
Dec 16, 2008
GM Global Technology Operations, Inc.
Layne K. Wiggins
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method for detecting steady-state and transient air flow conditions...
Patent number
7,319,929
Issue date
Jan 15, 2008
GM Global Technology Operations, Inc.
Ronald A. Davis
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Model-based inlet air dynamics state characterization
Patent number
7,292,931
Issue date
Nov 6, 2007
GM Global Technology Operations, Inc.
Ronald A. Davis
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
DOD control methods for manual transmissions
Patent number
7,059,998
Issue date
Jun 13, 2006
General Motors Corporation
Thomas E. Bolander
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and apparatus for obtaining a consistent pedal position for...
Patent number
7,004,141
Issue date
Feb 28, 2006
General Motors Corporation
Gregory Paul Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Determining manifold pressure based on engine torque control
Patent number
7,000,589
Issue date
Feb 21, 2006
General Motors Corporation
Gregory P. Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Determining manifold pressure based on engine torque control
Patent number
6,968,824
Issue date
Nov 29, 2005
General Motors Corporation
Gregory P. Matthews
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for a variable displacement internal combustio...
Patent number
6,895,941
Issue date
May 24, 2005
General Motors Corporation
Gregory P. Matthews
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Adaptable modification of cylinder deactivation threshold
Patent number
6,874,462
Issue date
Apr 5, 2005
General Motors Corporation
Gregory P. Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for control of a variable displacement engine...
Patent number
6,782,865
Issue date
Aug 31, 2004
General Motors Corporation
Allen B. Rayl
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Spark retard control during cylinder transitions in a displacement...
Patent number
6,769,403
Issue date
Aug 3, 2004
General Motors Corporation
Allen B. Rayl
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Airflow estimation for engines with displacement on demand
Patent number
6,760,656
Issue date
Jul 6, 2004
General Motors Corporation
Gregory Paul Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel and spark compensation for reactivating cylinders in a variabl...
Patent number
6,736,108
Issue date
May 18, 2004
General Motors Corporation
Allen B. Rayl
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for deactivating and reactivating cylinders fo...
Patent number
6,615,804
Issue date
Sep 9, 2003
General Motors Corporation
Gregory Paul Matthews
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for providing a consistent transmission load v...
Patent number
6,585,621
Issue date
Jul 1, 2003
General Motors Corporation
Gregory Paul Matthews
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Integrated fueling control
Patent number
5,596,972
Issue date
Jan 28, 1997
General Motors Corporation
Myrna C. Sultan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND SYSTEM FOR ESTIMATING MASS AIRFLOW USING A MASS AIRFLOW...
Publication number
20200141346
Publication date
May 7, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Zhijian J. Wu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
EGR AND REFORMATE FRACTION ESTIMATION IN A DEDICATED EGR ENGINE
Publication number
20190293011
Publication date
Sep 26, 2019
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jun-mo Kang
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
INTAKE MANIFOLD AND CYLINDER AIRFLOW ESTIMATION SYSTEMS AND METHODS
Publication number
20170016407
Publication date
Jan 19, 2017
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Christopher E. WHITNEY
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Air Per Cylinder Determination Systems and Methods
Publication number
20160363083
Publication date
Dec 15, 2016
GM GLOBAL TECHNOLOGY OPERATIONS LLC
GREGORY P. MATTHEWS
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEM AND METHOD FOR PREDICTING PARAMETERS ASSOCIATED WITH AIRFLOW...
Publication number
20150260112
Publication date
Sep 17, 2015
GM GLOBAL TECHNOLOGY OPERATIONS LLC
ZHIPING STEVEN LIU
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
INTAKE RUNNER TEMPERATURE DETERMINATION SYSTEMS AND METHODS
Publication number
20140190448
Publication date
Jul 10, 2014
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Daniel G. Brennan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
AIR PER CYLINDER DETERMINATION SYSTEMS AND METHODS
Publication number
20140069375
Publication date
Mar 13, 2014
GM GLOBAL TECHNOLOGY OPERATIONS LLC
GREGORY P. MATTHEWS
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
INTAKE PORT PRESSURE PREDICTION FOR CYLINDER ACTIVATION AND DEACTIV...
Publication number
20140069376
Publication date
Mar 13, 2014
GM GLOBAL TECHNOLOGY OPERATIONS LLC
GREGORY P. MATTHEWS
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
VOLUMETRIC EFFICIENCY DETERMINATION SYSTEMS AND METHODS
Publication number
20140069377
Publication date
Mar 13, 2014
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Daniel G. Brennan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
AIR MASS DETERMINATION FOR CYLINDER ACTIVATION AND DEACTIVATION CON...
Publication number
20140069374
Publication date
Mar 13, 2014
GM GLOBAL TECHNOLOGY OPERATIONS LLC
GREGORY P. MATTHEWS
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
CONTROL SYSTEM AND METHOD FOR A HOMOGENEOUS CHARGE COMPRESSION IGNI...
Publication number
20120259529
Publication date
Oct 11, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Gregory P. Matthews
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
FUEL ECONOMY WITH A DUAL OVERHEAD CAM ENGINE AND A STRONG HYBRID
Publication number
20110144838
Publication date
Jun 16, 2011
GM Global Technology Operations, Inc.
Gregory P. Matthews
B60 - VEHICLES IN GENERAL
Information
Patent Application
TORQUE SPLIT STRATEGY FOR A BELT ALTERNATOR STARTER (BAS) HYBRID
Publication number
20080249695
Publication date
Oct 9, 2008
GM Global Technology Operations, Inc.
Gregory P. Matthews
B60 - VEHICLES IN GENERAL
Information
Patent Application
Tip-in bump reduction methods and systems
Publication number
20080026908
Publication date
Jan 31, 2008
Gregory P. Matthews
B60 - VEHICLES IN GENERAL
Information
Patent Application
Air dynamic steady state and transient detection method for cam pha...
Publication number
20070017486
Publication date
Jan 25, 2007
Layne K. Wiggins
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Model-based inlet air dynamics state characterization
Publication number
20060276953
Publication date
Dec 7, 2006
Ronald A. Davis
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
DETERMINING MANIFOLD PRESSURE BASED ON ENGINE TORQUE CONTROL
Publication number
20050274357
Publication date
Dec 15, 2005
Gregory P. Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
DETERMINING MANIFOLD PRESSURE BASED ON ENGINE TORQUE CONTROL
Publication number
20050274356
Publication date
Dec 15, 2005
Gregory P. Matthews
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
DOD control methods for manual transmissions
Publication number
20050215394
Publication date
Sep 29, 2005
Thomas E. Bolander
B60 - VEHICLES IN GENERAL
Information
Patent Application
Adaptable modification of cylinder deactivation threshold
Publication number
20050016492
Publication date
Jan 27, 2005
Gregory P. Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Method and apparatus for a variable displacement internal combustio...
Publication number
20040055569
Publication date
Mar 25, 2004
Gregory P. Matthews
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Powertrain control system
Publication number
20040034460
Publication date
Feb 19, 2004
Charles Henry Folkerts
B60 - VEHICLES IN GENERAL
Information
Patent Application
Airflow estimation for engines with displacement on demand
Publication number
20030220732
Publication date
Nov 27, 2003
Gregory Paul Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Fuel and spark compensation for reactivating cylinders in a variabl...
Publication number
20030213468
Publication date
Nov 20, 2003
Allen B. Rayl
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Spark retard control during cylinder transitions in a displacement...
Publication number
20030213467
Publication date
Nov 20, 2003
Allen B. Rayl
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and apparatus for providing a consistent transmission load v...
Publication number
20030027687
Publication date
Feb 6, 2003
GENERAL MOTORS CORPORATION
Gregory Paul Matthews
B60 - VEHICLES IN GENERAL
Information
Patent Application
Method and apparatus for control of a variable displacement engine...
Publication number
20020170527
Publication date
Nov 21, 2002
Allen B. Rayl
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Method and apparatus for deactivating and reactivating cylinders fo...
Publication number
20020162540
Publication date
Nov 7, 2002
Gregory Paul Matthews
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and apparatus for obtaining a consistent pedal position for...
Publication number
20020157640
Publication date
Oct 31, 2002
Gregory Paul Matthews
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS