Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569312 | Integrated lubricant upgrading process | Michael B. Carroll, Fritz A. Smith | 2003-05-27 |
| 6517704 | Integrated lubricant upgrading process | Michael B. Carroll, Fritz A. Smith | 2003-02-11 |
| 4828575 | Drying low rank coal and retarding spontaneous ignition | Edward J. Bellow, William F. Heaney, Tsoung Y. Yan | 1989-05-09 |
| 4828576 | Drying low rank coal and retarding spontaneous ignition | Edward J. Bellow, William F. Heaney, Sandra H. Facinelli | 1989-05-09 |
| 4783200 | Method for passivating low rank dried coal | Michael J. Dabkowski | 1988-11-08 |
| 4783199 | Method for producing a deactivated dried coal | Michael J. Dabkowski | 1988-11-08 |
| 4778482 | Drying low rank coal and retarding spontaneous ignition | Michael J. Dabkowski | 1988-10-18 |
| 4775390 | Drying low rank coal and retarding spontaneous ignition | — | 1988-10-04 |