Thomsen; Jack W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Thomsen; Jack W..The latest application filed is for "filter assembly with o-ring protection".
- Thomsen; Jack W. - Albuquerque NM
- Thomsen; Jack W. - LaGrange Park IL
- Thomsen; Jack W. - La Grange Park IL
- Thomsen; Jack W. - LaGrange IL
| Patent | Date |
|---|---|
| Filter assembly with O-ring protection Grant 5,653,871 - Thomsen August 5, 1 | 1997-08-05 |
| Filtering system Grant RE34,050 - Thomsen , et al. * September 1, 1 | 1992-09-01 |
| Filtering system Grant RE34,031 - Thomsen , et al. August 18, 1 | 1992-08-18 |
| Filter cartridge with a lugged concentric closure portion Grant 4,956,086 - Thomsen , et al. September 11, 1 | 1990-09-11 |
| Filter cartridge security for locking between operating and non-operating positions Grant 4,904,382 - Thomsen February 27, 1 | 1990-02-27 |
| Filter cartridge with a lugged concentric closure portion Grant 4,857,189 - Thomsen , et al. August 15, 1 | 1989-08-15 |
| Filtering system Grant 4,725,354 - Thomsen , et al. * February 16, 1 | 1988-02-16 |
| Filtering system Grant 4,654,142 - Thomsen , et al. March 31, 1 | 1987-03-31 |
| Quick change reverse osmosis assembly Grant 4,645,601 - Regunathan , et al. February 24, 1 | 1987-02-24 |
| Captive standoff connector Grant 4,100,368 - Thomsen July 11, 1 | 1978-07-11 |
| Filter Assembly Grant 3,746,171 - Thomsen July 17, 1 | 1973-07-17 |
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