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Matthew J. Roelle
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Menlo Park, CA, US
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last 30 patents
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Patent Grant
Secondary air injection diagnostic system using pressure feedback
Patent number
6,983,590
Issue date
Jan 10, 2006
General Motors Corporation
Matthew J. Roelle
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for on-board diagnosis of cold start emissions reduction con...
Patent number
6,871,136
Issue date
Mar 22, 2005
General Motors Corporation
Wenbo Wang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for monitoring catalyst efficiency and seconda...
Patent number
6,802,181
Issue date
Oct 12, 2004
General Motors Corporation
Wenbo Wang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for monitoring catalyst efficiency and seconda...
Publication number
20040134186
Publication date
Jul 15, 2004
Wenbo Wang
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Secondary air injection diagnostic system using pressure feedback
Publication number
20040074453
Publication date
Apr 22, 2004
Matthew J. Roelle
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES