Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257334 | Steam-assisted gravity drainage heavy oil recovery process | Roy Coates, Marcel Polikar | 2001-07-10 |
| 5916432 | Process for dispersing transition metal catalytic particles in heavy oil | Richard McFarlane, Randall Wayne Tedford Hawkins | 1999-06-29 |