Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338489 | Deslagging gasifiers by controlled heat and derivatization | James K. Wolfenbarger, Donald Duane Brooker, Allen M. Robin, Jerrold Samuel Kassman | 1994-08-16 |
| 4995888 | Separation of gas from solvent by membrane technology | Richard F. Beaupre | 1991-02-26 |
| 4476009 | Process for improving the hydrogen donor properties of a coal liquefaction solvent | Erven J. Kuhlmann, Richard P. Guptill, Hyung K. Zang | 1984-10-09 |