Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368824 | Gas distribution system for fluidized bed reactors | Frederick A. Zenz | 1994-11-29 |
| 5316471 | Method and apparatus for mass transfer in multiple hearth funaces | — | 1994-05-31 |
| 5080025 | Cocurrent oxidation method in a multiple hearth furnace | Gordon W. Czop, Wayne G. Schuliger | 1992-01-14 |
| 4455282 | Electric furnace for continously heating and regenerating spent activated carbon | Gerald E. Marquess | 1984-06-19 |
| 4374092 | System for electrically heating and regenerating spent activated carbon | Gerald E. Marquess | 1983-02-15 |