Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508241 | Recovery of hydrocarbon diluent from tailings | SUJIT BHATTACHARYA, BARRY BARA, Craig A. McKnight, Daniel Bulbuc | 2019-12-17 |
| 8858786 | Extraction of oil sand bitumen with two solvents | Xin Wu, George B. Jones | 2014-10-14 |
| 8114274 | Method for treating bitumen froth with high bitumen recovery and dual quality bitumen production | Kevin Moran, Tom Toan-Cong Tran | 2012-02-14 |
| 7984866 | Relocatable oil sand slurry preparation system | KHALED OBAIA, Stewart Johnson | 2011-07-26 |
| 7763166 | Relocatable countercurrent decantation system | JESSICA VANDENBERGHE | 2010-07-27 |
| 6746599 | Staged settling process for removing water and solids from oils and extraction froth | Pat Dougan, Tom Toan-Cong Tran, Jim Lorenz, Corey Mayr | 2004-06-08 |
| 6119870 | Cycloseparator for removal of coarse solids from conditioned oil sand slurries | Waldemar Maciejewski | 2000-09-19 |
| 6076753 | Agitated slurry pump box for oil sand hydrotransport | Waldemar Maciejewski, Jim McTurk, Derrick Kershaw | 2000-06-20 |
| 5954277 | Agitated slurry pump box for oil sand hydrotransport | Waldemar Maciejewski, Jim McTurk, Derrick Kershaw | 1999-09-21 |
| 5264118 | Pipeline conditioning process for mined oil-sand | Antony H. S. Leung, Waldemar Maciejewski | 1993-11-23 |
| 5039227 | Mixer circuit for oil sand | Anthony H. S. Leung, Waldemar Maciejewski | 1991-08-13 |
| 4545892 | Treatment of primary tailings and middlings from the hot water extraction process for recovering bitumen from tar sand | Lubomyr M. Cymbalisty | 1985-10-08 |