Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264118 | Pipeline conditioning process for mined oil-sand | George Cymerman, Waldemar Maciejewski | 1993-11-23 |
| 4783268 | Microbubble flotation process for the separation of bitumen from an oil sands slurry | — | 1988-11-08 |
| 4776949 | Recycle of secondary froth in the hot water process for extracting bitumen from tar sand | Teddy Kwong | 1988-10-11 |