Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8132620 | Triangle air injection and ignition extraction method and system | — | 2012-03-13 |
| 4703800 | Method for consolidating formation surrounding borehole | — | 1987-11-03 |
| 4271905 | Gaseous and solvent additives for steam injection for thermal recovery of bitumen from tar sands | David A. Redford | 1981-06-09 |