Qingwen Song

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Columbus, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Control system for an engine aftertreatment system
- Patent number 7,784,272
- Issue date Aug 31, 2010
- Cummins Inc.
- Qingwen Song
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Control system for an engine aftertreatment system
- Publication number 20060042234
- Publication date Mar 2, 2006
- Qingwen Song
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES