Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5495622 | Ventilated hat | — | 1996-03-05 |
| 5376339 | Direct-coupled FCC riser cyclone and plenum | Leonce F. Castagnos, Jr. | 1994-12-27 |
| 4248604 | Gasification process | Paul N. Woldy, Michael M. Dach, James F. Beall | 1981-02-03 |
| 4247302 | Process for gasification and production of by-product superheated steam | Paul N. Woldy, Michael M. Dach, James F. Beall | 1981-01-27 |