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David R. Lancaster
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Troy, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Engine vacuum enhancement in an internal combustion engine
Patent number
8,103,431
Issue date
Jan 24, 2012
GM Global Technology Operations LLC
David R. Lancaster
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for engine torque disturbance reduction during...
Patent number
7,128,035
Issue date
Oct 31, 2006
General Motors Corporation
David R. Lancaster
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
System for supplying power to an electrically heated catalyst
Patent number
5,321,231
Issue date
Jun 14, 1994
General Motors Corporation
Truman T. Schmalzriedt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Divided chamber engine with prechamber exhaust recirculation
Patent number
4,271,810
Issue date
Jun 9, 1981
General Motors Corporation
David R. Lancaster
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
ENGINE VACUUM ENHANCEMENT IN AN INTERNAL COMBUSTION ENGINE
Publication number
20090187328
Publication date
Jul 23, 2009
GM Global Technology Operations, Inc.
David R. Lancaster
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Automotive accessory drive system and method of operation
Publication number
20060276284
Publication date
Dec 7, 2006
David R. Lancaster
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
METHOD AND APPARATUS FOR ENGINE TORQUE DISTURBANCE REDUCTION DURING...
Publication number
20060201468
Publication date
Sep 14, 2006
David R. Lancaster
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES