Patents per Year
Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8377155 | Auger gasifier with continuous feed | — | 2013-02-19 | |
| 7686098 | Chain driven reciprocating hammer with work piece centering and clamping | — | 2010-03-30 | |
| 6619407 | Air-operated hammer | Charles L. Hawkins | 2003-09-16 | |
| 6349658 | Auger combustor with fluidized bed | — | 2002-02-26 | |
| 4553778 | Implement snubbing device | — | 1985-11-19 | $1,407,000 |
| 4387752 | Tree shearing apparatus | — | 1983-06-14 | |
| 4331084 | Fuel feed technique for auger combustor | Robert E. Fitch | 1982-05-25 | $1,842,000 |
| 4331085 | Exit gas control for flame stabilization and performance tuning of starved-air auger combustor | Robert E. Fitch, Gordon H. Tucker | 1982-05-25 | |
| 4315468 | Control system for a single auger starved-air combustor | Robert E. Fitch, Gordon H. Tucker | 1982-02-16 | $3,950,000 |