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Gordon F. Cummings III
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Rockford, IL, US
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last 30 patents
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Patent Grant
Continuously variable fan drive clutch
Patent number
5,947,247
Issue date
Sep 7, 1999
Rockford Powertrain, Inc.
Gordon F. Cummings
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Continuosly variable fan drive clutch
Patent number
5,937,979
Issue date
Aug 17, 1999
Rockford Powertrain, Inc.
Gordon F. Cummings
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Fan clutch for vehicles configured for low engine speed
Patent number
5,855,266
Issue date
Jan 5, 1999
Rockford Powertrain, Inc.
Gordon F. Cummings
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Continuously variable fan drive clutch arrangement
Patent number
5,667,045
Issue date
Sep 16, 1997
Rockford Powertrain, Inc.
Gordon F. Cummings
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Driveline yoke with headed pin for captivating a universal joint cross
Patent number
5,178,584
Issue date
Jan 12, 1993
Rockford Powertrain, Inc.
Gordon F. Cummings
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Variable speed drive for engine cooling fans
Patent number
4,899,861
Issue date
Feb 13, 1990
Rockford Powertrain, Inc.
Gordon F. Cummings
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES