James D. Gray

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Bethany, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Pump with improved bearing arrangement for axial position control
- Patent number 5,700,140
- Issue date Dec 23, 1997
- Corken, Inc.
- James Delwin Gray
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vane pump
- Patent number 5,431,552
- Issue date Jul 11, 1995
- Corken, Inc.
- James J. Davis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES