Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4449753 | Method for bulking full a retort | Thomas E. Ricketts | 1984-05-22 |
| 4358344 | Process for the production and recovery of fuel values from coal | Harry E. McCarthy, Paul R. Kaufman, Clement S. Finney | 1982-11-09 |
| 4322222 | Process for the gasification of carbonaceous materials | — | 1982-03-30 |
| 4281877 | Rock bolting techniques for forming an in situ oil shale retort | — | 1981-08-04 |
| 4229185 | Process for the gasification of carbonaceous materials | — | 1980-10-21 |