Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5487267 | Suppression of infrared radiation emissions from jet engines | Robert M. Schirmer | 1996-01-30 |
| 4927349 | Method for burning nitrogen-containing fuels | Robert M. Schirmer, Ellsworth H. Fromm | 1990-05-22 |
| 4900246 | Apparatus for burning nitrogen-containing fuels | Robert M. Schirmer, Ellsworth H. Fromm | 1990-02-13 |
| 4721454 | Method and apparatus for burning nitrogen-containing fuels | Robert M. Schirmer, Ellsworth H. Fromm | 1988-01-26 |
| 4488866 | Method and apparatus for burning high nitrogen-high sulfur fuels | Robert M. Schirmer | 1984-12-18 |
| 4474238 | Method and apparatus for treatment of subsurface formations | Cecil C. Gentry | 1984-10-02 |
| 4229281 | Process for extracting bitumen from tar sands | Allen M. Ammerman | 1980-10-21 |