Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874482 | Diaphragm carburetor with air purge system | Gregory J. Orzal | 2005-04-05 |
| 5383608 | Twin conical refiner with dual ribbon feeders | Karl T. G. Dahiqvist, Franz Haider, Gregory R. Kohler, Josef Krasser, Alfred Lang +5 more | 1995-01-24 |
| 5335865 | Two-stage variable intensity refiner | Gregory R. Kohler, Heinrich Munster, Karl T. G. Dahlqvist | 1994-08-09 |
| 5248099 | Three zone multiple intensity refiner | Gregory R. Kohler | 1993-09-28 |
| 5076892 | Apparatus for pressurized refining of lignocellulose material | Chester D. Fisher, Randall Lee Musselman, Gregory R. Kohler, Gary W. Allshouse, Heinz O. Backhust | 1991-12-31 |
| 4395047 | Shaft seal with seal impeller for materials processing machinery | — | 1983-07-26 |