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Walter E. Palmer
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Indianapolis, IN, US
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Patents Grants
last 30 patents
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Patent Grant
System for controlling fluid level in a sump
Patent number
8,113,237
Issue date
Feb 14, 2012
GM Global Technology Operations LLC
Charles Alan Barker
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Electro-rheological clutch apply system
Patent number
5,094,328
Issue date
Mar 10, 1992
General Motors Corporation
Walter E. Palmer
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Retarder and friction brakes
Patent number
4,235,320
Issue date
Nov 25, 1980
General Motors Corporation
James C. Polak
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Variable displacement gear pump
Patent number
4,097,204
Issue date
Jun 27, 1978
General Motors Corporation
Walter E. Palmer
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM FOR CONTROLLING FLUID LEVEL IN A SUMP
Publication number
20090277512
Publication date
Nov 12, 2009
GM Global Technology Operations, Inc.
Charles Alan Barker
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Sump With Controlled Oil Level
Publication number
20090276119
Publication date
Nov 5, 2009
Charles A. Barker
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...