P. Douglas Free

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Columbus, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Liquid cooled fuel injection valve and method of operating a liquid...
- Patent number 7,090,145
- Issue date Aug 15, 2006
- Westport Research Inc.
- S. Michael Baker
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Multiple nozzle ejector for wastegated turbomachinery
- Patent number 6,202,413
- Issue date Mar 20, 2001
- Cummins Engine Company, Inc.
- Glenn L. Baker
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Early exhaust valve opening control system and method
- Patent number 5,937,807
- Issue date Aug 17, 1999
- Cummins Engine Company, Inc.
- Lester L. Peters
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine lubrication system with decreased power draw
- Patent number 5,474,041
- Issue date Dec 12, 1995
- Cummins Engine Company, Inc.
- P. Doug Free
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Dampened pressure regulating and load cell tappet
- Patent number 5,372,114
- Issue date Dec 13, 1994
- Cummins Engine Company, Inc.
- Gary L. Gant
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Liquid cooled fuel injection valve and method of operating a liquid...
- Publication number 20050224601
- Publication date Oct 13, 2005
- S. Michael Baker
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...