Ramsay; Thomas W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ramsay; Thomas W..The latest application filed is for "sequentially-deployable lip seal systems".
- Ramsay; Thomas W. - Waterloo CA
- Ramsay; Thomas W. - Ontario CA
- Ramsay; Thomas W. - Kitchener CA
| Patent | Date |
|---|---|
| Sequentially-Deployable Lip Seal Systems App 20090302548 - Ramsay; Thomas W. | 2009-12-10 |
| Sealing apparatus having sequentially engageable seals Grant 7,354,046 - Ramsay April 8, 2 | 2008-04-08 |
| Installation and deployment sleeves for lip seals Grant 7,059,608 - Ramsay June 13, 2 | 2006-06-13 |
| Sealing apparatus having sequentially engageable seals Grant 6,979,002 - Ramsay December 27, 2 | 2005-12-27 |
| Sealing apparatus having sequentially engageable seals App 20050253340 - Ramsay, Thomas W. | 2005-11-17 |
| Opposed flow seal/bearing assembly Grant 6,695,480 - Ramsay , et al. February 24, 2 | 2004-02-24 |
| Sealing apparatus having sequentially engageble seals App 20040007821 - Ramsay, Thomas W. | 2004-01-15 |
| Installation and deployment sleeves for lip seals App 20030173746 - Ramsay, Thomas W. | 2003-09-18 |
| Seal/bearing apparatus Grant 5,984,627 - Ramsay November 16, 1 | 1999-11-16 |
| Seal/bearing assembly Grant 5,827,042 - Ramsay October 27, 1 | 1998-10-27 |
| Pump impeller with adjustable blades Grant 5,800,120 - Ramsay September 1, 1 | 1998-09-01 |
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