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Michael C. Drake
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Rochester Hills, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for a spark-ignited direct injection engine
Patent number
7,484,494
Issue date
Feb 3, 2009
GM Global Technology Operations, Inc.
Andreas M. Lippert
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Spark ignition enhancer and spark plug therewith
Patent number
7,040,280
Issue date
May 9, 2006
General Motors Corporation
Michael C. Drake
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for a spark-ignited direct injection engine
Publication number
20070175440
Publication date
Aug 2, 2007
GM Global Technology Operations, Inc.
Andreas M. Lippert
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...