Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975786 | Waste pond volume management | Mustafa Al-Sabawi, Gordon Bryce McGarvey, Robert J. Falkiner, Robert N. McLean | 2018-05-22 |
| 4673485 | Process for increasing deasphalted oil production from upgraded residua | Duncan J. Bristow, Biddanda U. Achia | 1987-06-16 |
| 4592832 | Process for increasing Bright Stock raffinate oil production | Duncan J. Bristow, Biddanda U. Achia | 1986-06-03 |