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Steven C. Kirkham
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McHenry, IL, US
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last 30 patents
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Patent Grant
Hydraulic system and manifold assembly
Patent number
4,951,709
Issue date
Aug 28, 1990
Komatsu Dresser Company
Steven C. Kirkham
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Control system for front end loader boom and bucket operating systems
Patent number
4,779,416
Issue date
Oct 25, 1988
Dresser Industries, Inc.
Probir K. Chatterjea
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic control for a dozer blade
Patent number
4,505,339
Issue date
Mar 19, 1985
Dresser Industries, Inc.
Lee F. Kramer
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Control means for variable displacement pump
Patent number
4,398,869
Issue date
Aug 16, 1983
Dresser Industries, Inc.
Steven C. Kirkham
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hydraulic logic control for variable displacement pump
Patent number
4,382,485
Issue date
May 10, 1983
Dresser Industries, Inc.
Steven C. Kirkham
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydraulic system for responsive splitting of engine power
Patent number
4,359,130
Issue date
Nov 16, 1982
International Harvester Co.
Steven C. Kirkham
B60 - VEHICLES IN GENERAL