Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821060 | Jet pump system for forming an aqueous oil sand slurry | Ron Cleminson, Andrew Rosser | 2004-11-23 |
| 6076753 | Agitated slurry pump box for oil sand hydrotransport | Waldemar Maciejewski, George Cymerman, Derrick Kershaw | 2000-06-20 |
| 6027056 | Slurrying oil sand for hydrotransport in a pipeline | Waldemar Maciejewski, Derrick Kershaw | 2000-02-22 |
| 5954277 | Agitated slurry pump box for oil sand hydrotransport | Waldemar Maciejewski, George Cymerman, Derrick Kershaw | 1999-09-21 |
| 5772127 | Slurrying oil sand for hydrotransport in a pipeline | Waldemar Maciejewski, Derrick Kershaw | 1998-06-30 |