Matthews; Gregory Paul

Patent Applications and Registrations

Patent applications and USPTO patent grants for Matthews; Gregory Paul.The latest application filed is for "powertrain control system".

Company Profile

0.6.8

Matthews; Gregory Paul - West Bloomfield MI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus for obtaining a consistent pedal position for a vehicle having an engine with displacement on demand Grant 7,004,141 - Matthews , et al. February 28, 2	2006-02-28
Method and apparatus for control of a variable displacement engine for fuel economy and performance Grant 6,782,865 - Rayl , et al. August 31, 2	2004-08-31
Spark retard control during cylinder transitions in a displacement on demand engine Grant 6,769,403 - Rayl , et al. August 3, 2	2004-08-03
Airflow estimation for engines with displacement on demand Grant 6,760,656 - Matthews , et al. July 6, 2	2004-07-06
Fuel and spark compensation for reactivating cylinders in a variable displacement engine Grant 6,736,108 - Rayl , et al. May 18, 2	2004-05-18
Powertrain control system App 20040034460 - Folkerts, Charles Henry ; et al.	2004-02-19
Airflow estimation for engines with displacement on demand App 20030220732 - Matthews, Gregory Paul ; et al.	2003-11-27
Spark retard control during cylinder transitions in a displacement on demand engine App 20030213467 - Rayl, Allen B. ; et al.	2003-11-20
Fuel and spark compensation for reactivating cylinders in a variable displacement engine App 20030213468 - Rayl, Allen B. ; et al.	2003-11-20
Method and apparatus for deactivating and reactivating cylinders for an engine with displacement on demand Grant 6,615,804 - Matthews , et al. September 9, 2	2003-09-09
Method and apparatus for providing a consistent transmission load variable App 20030027687 - Matthews, Gregory Paul ; et al.	2003-02-06
Method and apparatus for control of a variable displacement engine for fuel economy and performance App 20020170527 - Rayl, Allen B. ; et al.	2002-11-21
Method and apparatus for deactivating and reactivating cylinders for an engine with displacement on demand App 20020162540 - Matthews, Gregory Paul ; et al.	2002-11-07
Method and apparatus for obtaining a consistent pedal position for a vehicle having an engine with displacment on demand App 20020157640 - Matthews, Gregory Paul ; et al.	2002-10-31

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