Edward G. Groff

Person

Troy, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Integrated control of a lean burn engine and a continuously variabl...
- Patent number 5,846,157
- Issue date Dec 8, 1998
- General Motors Corporation
- Paul Edward Reinke
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Two-stage cycle engine and combustion chamber
- Patent number 5,237,972
- Issue date Aug 24, 1993
- General Motors Corporation
- Edward G. Groff
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Sealing shroud port timing valve for two cycle engine
- Patent number 4,993,373
- Issue date Feb 19, 1991
- General Motors Corporation
- Edward D. Klomp
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two cycle engine with valved pressure scavenging
- Patent number 4,987,864
- Issue date Jan 29, 1991
- General Motors Corporation
- Ronald J. Cantrell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two cycle engine catalytic emission control
- Patent number 4,969,330
- Issue date Nov 13, 1990
- General Motors Corporation
- Edward G. Groff
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine and high turbulence piston therefor
- Patent number 4,955,338
- Issue date Sep 11, 1990
- General Motors Corporation
- Ramachandra Diwakar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and apparatus for closed loop fuel control
- Patent number 4,903,669
- Issue date Feb 27, 1990
- General Motors Corporation
- Edward G. Groff
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Edward G. Groff

Person

Patents Grantslast 30 patents

Integrated control of a lean burn engine and a continuously variabl...

Two-stage cycle engine and combustion chamber

Sealing shroud port timing valve for two cycle engine

Two cycle engine with valved pressure scavenging

Two cycle engine catalytic emission control

Engine and high turbulence piston therefor

Method and apparatus for closed loop fuel control