Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786368 | Static mixer retorting of oil shale | Jay C. Knepper, John M. Forgac | 1988-11-22 |
| 4721560 | Static mixer retorting of oil shale | Jay C. Knepper, John M. Forgac | 1988-01-26 |
| 4597852 | Static mixer retorting of oil shale | Jay C. Knepper, John M. Forgac | 1986-07-01 |
| 4548702 | Shale oil stabilization with a hydroprocessor | David Michael Johnson, Paul Miller | 1985-10-22 |
| 4475965 | Shale oil explosives | Darrell D. Porter | 1984-10-09 |
| 4474629 | Oil shale retorting process for producing explosives | Darrell D. Porter | 1984-10-02 |
| 4454915 | In situ retorting of oil shale with air, steam, and recycle gas | Jay C. Knepper | 1984-06-19 |
| 4435016 | In situ retorting with flame front-stabilizing layer of lean oil shale particles | Herman Wissenberg, Darrell D. Porter | 1984-03-06 |
| 4421629 | Delayed coking and dedusting process | Kamil F. Rustam, Robert D. Hall | 1983-12-20 |
| 4415430 | Two-stage centrifugal dedusting process | — | 1983-11-15 |
| 4415432 | Hydrocarbon recovery method and apparatus | — | 1983-11-15 |
| 4404085 | Drying and dedusting process | Milton B. Thacker, Paul Miller | 1983-09-13 |
| 4396490 | Oil shale retorting method and apparatus | — | 1983-08-02 |
| 4377465 | Oil shale retorting method and apparatus | — | 1983-03-22 |