Thornton; Donald I.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Thornton; Donald I..The latest application filed is for "thermally formed filter".
- Thornton; Donald I. - Warwick RI
- Thornton; Donald I. - East Providence RI
| Patent | Date |
|---|---|
| Thermally formed filter Grant 4,772,443 - Thornton , et al. September 20, 1 | 1988-09-20 |
| Thermally formed stacked disc filter Grant 4,732,677 - Thornton March 22, 1 | 1988-03-22 |
| Diesel fuel filter/water separator Grant 4,732,671 - Thornton , et al. March 22, 1 | 1988-03-22 |
| Molded panel filter Grant 4,701,197 - Thornton , et al. October 20, 1 | 1987-10-20 |
| Themally formed gradient density filter Grant 4,661,132 - Thornton , et al. April 28, 1 | 1987-04-28 |
| Panel air filter Grant 4,636,231 - Thornton , et al. January 13, 1 | 1987-01-13 |
| Thermally formed filter Grant 4,629,474 - Thornton December 16, 1 | 1986-12-16 |
| Fuel system for a vehicle engine Grant 4,570,604 - Thornton , et al. February 18, 1 | 1986-02-18 |
| Pump valve for liquid separator Grant 4,500,425 - Thornton , et al. February 19, 1 | 1985-02-19 |
| Probe and drain assembly for fuel oil/water separator Grant 4,470,301 - Hutchins , et al. September 11, 1 | 1984-09-11 |
| Separating device and cartridge therefor Grant 4,437,986 - Hutchins , et al. March 20, 1 | 1984-03-20 |
| Fluid filter Grant 4,400,864 - Peyton , et al. August 30, 1 | 1983-08-30 |
| Cam actuated filter assembly Grant 4,371,439 - Thornton February 1, 1 | 1983-02-01 |
| Fluid filter Grant 4,324,660 - Peyton , et al. April 13, 1 | 1982-04-13 |
| Fluid filter Grant 4,144,168 - Thornton March 13, 1 | 1979-03-13 |
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