Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7566413 | Method for protecting a tuyere assembly and a refractory lining of a furnace | Jacques Piret, Nicolas Mousel, Emile Breden | 2009-07-28 |
| 4556458 | Apparatus for cooling, depressurizing, and moisturizing retorted oil shale | Roland F. Deering, John E. Hines | 1985-12-03 |
| 4461673 | Process for cooling, depressurizing, and moisturizing retorted oil shale | Roland F. Deering, John E. Hines | 1984-07-24 |
| 4295773 | Apparatus and method for introducing solids into a solids upflow vessel | — | 1981-10-20 |
| 4249855 | Method for introducing solids into a solids upflow vessel | — | 1981-02-10 |
| 4243510 | Shale retorting process and apparatus | — | 1981-01-06 |