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Glen R. MacFarlane
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Clarkston, MI, US
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last 30 patents
Information
Patent Grant
Variable cross section catalytic converter
Patent number
5,154,894
Issue date
Oct 13, 1992
General Motors Corporation
Glen R. MacFarlane
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Intermittent bypass system for a check valve
Patent number
5,129,367
Issue date
Jul 14, 1992
General Motors Corporation
Jordan R. Lee
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Rotary valve and system for duration and phase control
Patent number
5,105,784
Issue date
Apr 21, 1992
General Motors Corporation
Richard S. Davis
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Pressure relief system for a check valve
Patent number
5,018,486
Issue date
May 28, 1991
General Motors Corporation
Richard S. Davis
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Intake reservoir for an engine having a check valve
Patent number
5,009,199
Issue date
Apr 23, 1991
General Motors Corporation
Glen R. MacFarlane
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Intake port pressure control system for engine induction system
Patent number
4,991,547
Issue date
Feb 12, 1991
General Motors Corporation
Richard S. Davis
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine with variable area intake passages
Patent number
4,805,573
Issue date
Feb 21, 1989
General Motors Corporation
Glen R. Macfarlane
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS