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David A. Greer
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Simpsonville, SC, US
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Patents Grants
last 30 patents
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Patent Grant
Event history data acquisition
Patent number
5,790,427
Issue date
Aug 4, 1998
Westinghouse Air Brake Company
David A. Greer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Proportional polarity shift wheel slide protection
Patent number
5,752,212
Issue date
May 12, 1998
Westinghouse Air Brake Company
James A. Wood
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Relative spin speed traction control
Patent number
5,740,043
Issue date
Apr 14, 1998
Westinghouse Air Brake Company
James A. Wood
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Simplified pattern recognition wheel slide protection
Patent number
5,654,889
Issue date
Aug 5, 1997
Westinghouse Air Brake Company
James A. Wood
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of and an apparatus for providing a safety check of the brak...
Patent number
5,535,122
Issue date
Jul 9, 1996
Westinghouse Air Brake Company
James A. Wood
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of and apparatus for the combined detection of speed varying...
Patent number
5,471,387
Issue date
Nov 28, 1995
Westinghouse Air Brake Company
James A. Wood
B60 - VEHICLES IN GENERAL