Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5515775 | Apparatus for treatment of solid material | John C. Crump, III, Eugene B. Fischer, Robert C. Wilson, Jr., Warren D. Winterson, Gustav M. Norberg +1 more | 1996-05-14 |
| 5346057 | Conveyor belt for treatment of particulate solid material | Eugene B. Fisher, Mark St. John North, Warren D. Winterson, Lennart Olsson, Nils S. Selander | 1994-09-13 |
| 5335590 | Apparatus for treatment of solid material | John C. Crump, III, Eugene B. Fischer, Robert C. Wilson, Jr., Warren D. Winterson, Gustav M. Norberg +1 more | 1994-08-09 |
| 5247801 | Air treatment plant and method for a flow reduction therein | Allan Alfred | 1993-09-28 |
| 5226295 | Air treatment plant and method for balancing pressure differences in such a plant | — | 1993-07-13 |
| 4480535 | Apparatus for air-treatment of products | Allan Alfred | 1984-11-06 |