Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8851293 | Sizing roller screen ore processing apparatus | Brad Bjornson, Doug Cox, Garth Booker | 2014-10-07 |
| 8646615 | Screening disk, roller, and roller screen for screening an ore feed | Kyle Alan Bruggencate | 2014-02-11 |
| 8317116 | Method and apparatus for processing a sized ore feed | Terry Dirk | 2012-11-27 |
| 8136672 | Sizing roller screen ore processing apparatus | Brad Bjornson, Doug Cox, Garth Booker | 2012-03-20 |
| 8025341 | Mobile oil sands mining system | Bradford E. Bjornson, Mario Decrescentis, John Steven Little | 2011-09-27 |
| 8016216 | Mobile oil sands mining system | Bradford E. Bjornson, Garth Booker, John Steven Little | 2011-09-13 |
| 7677397 | Sizing roller screen ore processing apparatus | Brad Bjornson, Doug Cox, Garth Booker | 2010-03-16 |