Whitfield; Oliver J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Whitfield; Oliver J..The latest application filed is for "pellet fuel burner for heating and drying systems".
- Whitfield; Oliver J. - Bow WA
| Patent | Date |
|---|---|
| Pellet fuel burner for heating and drying systems Grant 5,893,358 - Whitfield April 13, 1 | 1999-04-13 |
| Artificial log burner Grant 5,655,513 - Whitfield August 12, 1 | 1997-08-12 |
| Grate with self ignitor for burning pellet fuel Grant 5,617,841 - Whitfield , et al. April 8, 1 | 1997-04-08 |
| Self-distributing combustion grate for pellet fueled stoves Grant 5,488,943 - Whitfield , et al. February 6, 1 | 1996-02-06 |
| Self concentrating combustion grate for pellet fueled stoves Grant 5,383,446 - Whitfield January 24, 1 | 1995-01-24 |
| Combustion grate with rods for pellet fueled stove Grant 5,295,474 - Whitfield , et al. March 22, 1 | 1994-03-22 |
| Combustion grate for pellet fueled stove Grant 5,137,010 - Whitfield , et al. August 11, 1 | 1992-08-11 |
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