Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473777 | Methods of producing a gas from a combustible material | Denis Alexander Doucet, Gregory Martin Parry Perkins | 2022-10-18 |
| 8741181 | Method and apparatus for treating a raw UCG product stream | Ernest Du Toit | 2014-06-03 |