Roger B. Krieger

Person

Birmingham, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Diesel engine with dual-lobed intake cam for compression ratio control
- Patent number 7,036,483
- Issue date May 2, 2006
- General Motors Corporation
- Sherif H. El Tahry
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Diesel engine with cam phasers for in-cylinder temperature control
- Patent number 6,918,384
- Issue date Jul 19, 2005
- General Motors Corporation
- Forrest A. Jehlik
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for reducing engine exhaust emissions
- Patent number 6,907,725
- Issue date Jun 21, 2005
- General Motors Corporation
- Patrick G. Szymkowicz
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Diesel engine with intake cam phaser for compression ratio control
- Patent number 6,830,020
- Issue date Dec 14, 2004
- General Motors Corporation
- Sherif Hussein El Tahry
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Two cycle engine with exhaust emission control
- Patent number 4,969,329
- Issue date Nov 13, 1990
- General Motors Corporation
- Robert A. Bolton
- 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
Two cycle engine scavenging heat control
- Patent number 4,919,088
- Issue date Apr 24, 1990
- General Motors Corporation
- Roger B. Krieger
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Injection strategy for low noise and soot combustion
- Publication number 20050224044
- Publication date Oct 13, 2005
- Boris D. Stojkovic
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Diesel engine with dual-lobed intake cam for compression ratio control
- Publication number 20050132982
- Publication date Jun 23, 2005
- Sherif H. El Tahry
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DIESEL ENGINE WITH CAM PHASERS FOR IN-CYLINDER TEMPERATURE CONTROL
- Publication number 20050121007
- Publication date Jun 9, 2005
- Forrest A. Jehlik
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DIESEL ENGINE WITH INTAKE CAM PHASER FOR COMPRESSION RATIO CONTROL
- Publication number 20040231623
- Publication date Nov 25, 2004
- Sherif Hussein El Tahry
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Method for reducing engine exhaust emissions
- Publication number 20040216449
- Publication date Nov 4, 2004
- Patrick G. Szymkowicz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Roger B. Krieger

Person

Patents Grantslast 30 patents

Diesel engine with dual-lobed intake cam for compression ratio control

Diesel engine with cam phasers for in-cylinder temperature control

Method for reducing engine exhaust emissions

Diesel engine with intake cam phaser for compression ratio control

Two cycle engine with exhaust emission control

Two cycle engine catalytic emission control

Engine and high turbulence piston therefor

Two cycle engine scavenging heat control

Patents Applicationslast 30 patents

Injection strategy for low noise and soot combustion

Diesel engine with dual-lobed intake cam for compression ratio control

DIESEL ENGINE WITH CAM PHASERS FOR IN-CYLINDER TEMPERATURE CONTROL

DIESEL ENGINE WITH INTAKE CAM PHASER FOR COMPRESSION RATIO CONTROL

Method for reducing engine exhaust emissions