Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11590514 | Collectors for treating tailings | JAMES LORENTZ, RON SIMAN | 2023-02-28 |
| 9371491 | Bitumen recovery from oil sands tailings | Owen Neiman, JONATHAN SPENCE, BRENT HILSCHER, RON SIMAN | 2016-06-21 |
| 9296954 | Treatment of poor processing bitumen froth using supercritical fluid extraction | BRENT HILSCHER | 2016-03-29 |
| 8919575 | Bitumen froth storage and separation using an improved froth tank | JIM LORENTZ, JESSICA VANDENBERGHE | 2014-12-30 |
| 8147682 | Bitumen and thermal recovery from oil sand tailings | RICK LAHAIE, JIM LORENTZ, Christian Matte, KAMAL HAMMAD | 2012-04-03 |