Cox; Doug
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cox; Doug.The latest application filed is for "sizing roller screen ore processing apparatus".
- Cox; Doug - Fort McMurray N/A CA
- Cox, Doug - Bellefonte PA
| Patent | Date |
|---|---|
| Sizing roller screen ore processing apparatus Grant 8,851,293 - Bjornson , et al. October 7, 2 | 2014-10-07 |
| Sizing Roller Screen Ore Processing Apparatus App 20120168542 - Bjornson; Brad ; et al. | 2012-07-05 |
| Sizing roller screen ore processing apparatus Grant 8,136,672 - Bjornson , et al. March 20, 2 | 2012-03-20 |
| Sizing Roller Screen Ore Processing Apparatus App 20100155305 - Bjornson; Brad ; et al. | 2010-06-24 |
| Sizing roller screen ore processing apparatus Grant 7,677,397 - Bjornson , et al. March 16, 2 | 2010-03-16 |
| Processing of oil sand ore which contains degraded bitumen Grant 7,399,406 - Mikula , et al. July 15, 2 | 2008-07-15 |
| Sizing roller screen ore processing apparatus App 20060021915 - Bjornson; Brad ; et al. | 2006-02-02 |
| High throughput flash purification stand and cartridge App 20050011835 - Henderson, Thomas J. ; et al. | 2005-01-20 |
| Processing of oil sand ore which contains degraded bitumen App 20030205507 - Mikula, Randy ; et al. | 2003-11-06 |
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