David A. Ruthmansdorfer

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Columbus, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for gaseous fuel introduction and controlling...
- Patent number 6,640,773
- Issue date Nov 4, 2003
- Westport Research Inc.
- Richard Ancimer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Turbocharged internal combustion engine
- Patent number 4,520,627
- Issue date Jun 4, 1985
- Cummins Engine Company, Inc.
- Dean H. Reichenbach
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Dual coolant engine cooling system
- Patent number 4,348,991
- Issue date Sep 14, 1982
- Cummins Engine Company, Inc.
- John H. Stang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Energy conserving exhaust passage for an internal combustion engine
- Patent number 4,343,268
- Issue date Aug 10, 1982
- Cummins Engine Company, Inc.
- John H. Stang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for gaseous fuel introduction and controlling...
- Publication number 20020078918
- Publication date Jun 27, 2002
- Richard Ancimer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...