Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682749 | Critical temperature control with vortex cooling | Raymond W. Saunders | 1997-11-04 |
| 4908082 | Method for in-situ repair of solvent dewaxing filter cloths | Patrick C. Ewener, Scott W. Armstrong, Louis C. Dallaire, John A. Thompson | 1990-03-13 |
| 4673485 | Process for increasing deasphalted oil production from upgraded residua | Biddanda U. Achia, Lawrence J. Evers | 1987-06-16 |
| 4592832 | Process for increasing Bright Stock raffinate oil production | Biddanda U. Achia, Lawrence J. Evers | 1986-06-03 |