Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480689 | Block pattern method for in situ gasification of subterranean carbonaceous deposits | — | 1984-11-06 |
| 4461349 | Long-line-drive pattern for in situ gasification of subterranean carbonaceous deposits | — | 1984-07-24 |
| 4415337 | Method for producing agglomerate particles from an aqueous feed slurry comprising finely divided coal and finely divided inorganic solids | Helmuth W. Kutta | 1983-11-15 |
| 4402706 | Method and apparatus for oxidizing dried low rank coal | — | 1983-09-06 |
| 4402707 | Deactivating dried coal with a special oil composition | — | 1983-09-06 |
| 4396394 | Method for producing a dried coal fuel having a reduced tendency to spontaneously ignite from a low rank coal | Ying LI, James L. Skinner, J. David Matthews, Bernard F. Bonnecaze | 1983-08-02 |
| 4182674 | Nitrogen reduction and dehydrogenation of synthetic crude | — | 1980-01-08 |