William R. Aro

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Detroit, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fuel and spark compensation for reactivating cylinders in a variabl...
- Patent number 6,736,108
- Issue date May 18, 2004
- General Motors Corporation
- Allen B. Rayl
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Secondary air injection system for an internal combustion engine
- Patent number 6,167,699
- Issue date Jan 2, 2001
- General Motors Corporation
- Gary Edwin Johnston
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
CAST PISTON WITH PIN BORE LUBRICATION AND METHOD OF MANUFACTURING SAME
- Publication number 20110120299
- Publication date May 26, 2011
- GM Global Technology Operations, Inc.
- William R. Aro
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Fuel and spark compensation for reactivating cylinders in a variabl...
- Publication number 20030213468
- Publication date Nov 20, 2003
- Allen B. Rayl
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...