James D. Ethington

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Swartz Creek, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Purge valve leak diagnostic systems and methods
- Patent number 8,122,758
- Issue date Feb 28, 2012
- GM Global Technology Operations LLC
- Zhong Wang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
PURGE VALVE LEAK DIAGNOSTIC SYSTEMS AND METHODS
- Publication number 20090211340
- Publication date Aug 27, 2009
- GM Global Technology Operations, Inc.
- Zhong Wang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS