Stone; Walter H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stone; Walter H..The latest application filed is for "coalescing element".
- Stone; Walter H. - Modesto CA
- Stone; Walter H. - Madison WI
| Patent | Date |
|---|---|
| Coalescing element Grant 8,034,240 - Reiland , et al. October 11, 2 | 2011-10-11 |
| Coalescing Element App 20100219117 - Reiland; Cheryl M. ; et al. | 2010-09-02 |
| Fuel filter App 20080105626 - Jones; David Charles ; et al. | 2008-05-08 |
| Fuel filter assembly with element having dual media App 20010004061 - Popoff, Peter ; et al. | 2001-06-21 |
| Dual pass fuel filter assembly and element therefor Grant 6,174,438 - Hodgkins , et al. January 16, 2 | 2001-01-16 |
| Fuel filter assembly with standpipe having valve element Grant 6,171,491 - Popoff , et al. January 9, 2 | 2001-01-09 |
| Fuel filter with dual flow Grant 6,113,781 - Popoff , et al. September 5, 2 | 2000-09-05 |
| Reusable oil filter assembly Grant 6,068,762 - Stone , et al. May 30, 2 | 2000-05-30 |
| Fuel filter with valve device Grant 6,053,334 - Popoff , et al. April 25, 2 | 2000-04-25 |
| Fuel filter element Grant 5,904,844 - Stone May 18, 1 | 1999-05-18 |
| Fuel filter assembly with in-line valve Grant 5,858,227 - Stone , et al. January 12, 1 | 1999-01-12 |
| Reversible filter element Grant 5,645,718 - Hardison , et al. July 8, 1 | 1997-07-08 |
| Fuel filter and priming pump Grant 5,643,446 - Clausen , et al. July 1, 1 | 1997-07-01 |
| Fuel Filter Grant 5,547,572 - Stone August 20, 1 | 1996-08-20 |
| Fuel filter assembly with dual filter media and by-pass device Grant 5,458,767 - Stone October 17, 1 | 1995-10-17 |
| Fuel filter assembly with reversible element Grant 5,362,389 - Hardison , et al. November 8, 1 | 1994-11-08 |
| Fuel filter assembly with heater Grant 5,244,571 - Church , et al. September 14, 1 | 1993-09-14 |
| Fuel filter assembly with heater Grant 4,997,555 - Church , et al. March 5, 1 | 1991-03-05 |
| Cartridge and cover assembly for fluid filters Grant 4,836,923 - Popoff , et al. June 6, 1 | 1989-06-06 |
| Filter assembly with threaded collection bowl Grant 4,740,299 - Popoff , et al. April 26, 1 | 1988-04-26 |
| Filter assembly with high pressure connection to collection bowl Grant 4,692,245 - Church , et al. September 8, 1 | 1987-09-08 |
| Semipermeable baffle fuel filter Grant 4,668,393 - Stone May 26, 1 | 1987-05-26 |
| End cap which will accommodate flow reversal Grant 4,626,348 - Stone December 2, 1 | 1986-12-02 |
| Repelling-action filter unit and assembly Grant 4,619,764 - Church , et al. October 28, 1 | 1986-10-28 |
| Filter assembly Grant 4,502,956 - Wilson , et al. March 5, 1 | 1985-03-05 |
| Spin-on filter coalescer unit with flow reversing baffle assembly Grant 4,292,179 - Stone , et al. September 29, 1 | 1981-09-29 |
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