Thomas W. Ramsay

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Kitchener, CA

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Patents Grantslast 30 patents

Information Patent Grant
Opposed flow seal/bearing assembly
- Patent number 6,695,480
- Issue date Feb 24, 2004
- A. W. Chesterton Co.
- Thomas W. Ramsay
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotary seal and/or bearing
- Patent number 6,210,103
- Issue date Apr 3, 2001
- A. W. Chesterton Co.
- Thomas W. Ramsay
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Seal/bearing apparatus
- Patent number 5,984,627
- Issue date Nov 16, 1999
- A. W. Chesterton Co.
- Thomas W. Ramsay
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Seal/bearing assembly
- Patent number 5,827,042
- Issue date Oct 27, 1998
- A. W. Chesterton Co.
- Thomas W. Ramsay
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Pump impeller with adjustable blades
- Patent number 5,800,120
- Issue date Sep 1, 1998
- A. W. Chesterton Co.
- Thomas W. Ramsay
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...