Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9512363 | Method for extracting bitumen from an oil sand stream | Peter Kirkwood House, John Patrick Ringstrom | 2016-12-06 |
| 9434887 | Apparatus and method for extraction of bitumen from oil sands | Whip C. Thompson, Ingmar Hubertus Josephina PLOEMEN | 2016-09-06 |
| 9023197 | Methods for obtaining bitumen from bituminous materials | Cherish M. Hoffman, Whip C. Thompson | 2015-05-05 |
| 8968556 | Process for extracting bitumen and drying the tailings | Mahendra Joshi, Cherish M. Hoffman, Whip C. Thompson | 2015-03-03 |
| 8920636 | Methods of transporting various bitumen extraction products and compositions thereof | Mahendra Joshi | 2014-12-30 |
| 8877044 | Methods for extracting bitumen from bituminous material | Willem P. C. Duyvesteyn, Mahendra Joshi, Dominic J. Zelnik, Whip C. Thompson, Cherish M. Hoffman | 2014-11-04 |
| 8864982 | Methods for obtaining bitumen from bituminous materials | Willem P. C. Duyvesteyn, Cherish M. Hoffman, Whip C. Thompson | 2014-10-21 |
| 8679325 | Processing asphaltene-containing tailings | Willem P. C. Duyvesteyn, Raymond L. Morley | 2014-03-25 |
| 8658029 | Dry, stackable tailings and methods for producing the same | Willem P. C. Duyvesteyn | 2014-02-25 |
| 8354067 | Processing asphaltene-containing tailings | Willem P. C. Duyvesteyn, Raymond L. Morley | 2013-01-15 |
| 8257580 | Dry, stackable tailings and methods for producing the same | Willem P. C. Duyvesteyn | 2012-09-04 |
| 8101067 | Methods for obtaining bitumen from bituminous materials | Willem P. C. Duyvesteyn | 2012-01-24 |
| 7998342 | Separation of tailings that include asphaltenes | Willem P. C. Duyvesteyn | 2011-08-16 |
| 7585407 | Processing asphaltene-containing tailings | Willem P. C. Duyvesteyn, Raymond L. Morley | 2009-09-08 |