Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5067317 | Process for generating electricity in a pressurized fluidized-bed combustor system | — | 1991-11-26 |
| 5052426 | System for pressure letdown of abrasive slurries | — | 1991-10-01 |
| 4563195 | Method for treatment of tar-bearing fuel gas | Leonard L. Frauen | 1986-01-07 |