Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402816 | Gas scrubber | D. Andrew Trivett | 2002-06-11 |
| 5231797 | Process for treating moisture laden coal fines | Burl Edward Davis, Raymond M. Henry, Edgar W. Albaugh | 1993-08-03 |
| 4923612 | Fluid recovery and transfer system | John L. Leahey | 1990-05-08 |
| 4836116 | Fluidized bed combustion system | G. David M. MacKay | 1989-06-06 |