Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7569137 | Process and apparatus for treating tailings | Alexander Hyndman, John Patrick Ringstrom, Douglas Robert Bartlett, W. Scott Hindle, Chris L. Grant | 2009-08-04 |
| 6067915 | Feeding systems for a continuous pyrolysis and gasification process and apparatus | — | 2000-05-30 |
| 6024032 | Production of heat energy from solid carbonaceous fuels | — | 2000-02-15 |