Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7726596 | Refiner with spiral inlet and dual tangential discharge outlet | Julie Ruch | 2010-06-01 |
| 7357074 | Compression screw with combination single and double flights | Joseph L. Keller, Anthony M. Riotto | 2008-04-15 |