Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490237 | Process for recovering heat from the combustion of residual carbon in oil depleted shale | Louis H. Jaquay | 1984-12-25 |
| 4439307 | Heating process gas for indirect shale oil retorting through the combustion of residual carbon in oil depleted shale | Louis H. Jaquay | 1984-03-27 |