Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436344 | In situ retorting of oil shale with pulsed combustion | John M. Forgac | 1984-03-13 |
| 4425967 | Ignition procedure and process for in situ retorting of oil shale | — | 1984-01-17 |
| 4415433 | Fluid bed retorting process with multiple feed lines | — | 1983-11-15 |
| 4353418 | In situ retorting of oil shale | David R. Christian | 1982-10-12 |