Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6059120 | Device for washing out and classifying organic clay-like and other impurities from granular matter | Wolfgang Rohr | 2000-05-09 |
| 6044979 | Device for separating superfine material from continuously fed granular solids | Wolfgang Rohr | 2000-04-04 |
| 5984107 | Vibratory drive for a screening machine | — | 1999-11-16 |
| 4696736 | Device for washing out organic loam-like impurities from continuously fed large and fine granular solids | — | 1987-09-29 |