Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6896007 | Hydro-dynamic static mixing apparatus and method for use thereof in transporting, conditioning and separating oil sands and the like | — | 2005-05-24 |
| 4545892 | Treatment of primary tailings and middlings from the hot water extraction process for recovering bitumen from tar sand | George Cymerman | 1985-10-08 |
| 4372174 | Method and apparatus for sampling a core of tar sand | Alvin Maskwa, Lloyd W. Trevoy, Jan Wojno | 1983-02-08 |
| 4328710 | Homogenizer/subsampler for tar sand process streams | Robert Shaw | 1982-05-11 |
| 4284360 | Homogenizer/subsampler for tar sand process streams | Robert Shaw | 1981-08-18 |
| 4225433 | Filtration of hot water extraction process whole tailings | Joseph Liu, Stephen J. Lane | 1980-09-30 |