Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5524746 | Individualizing service for sorting particles of a bulk material | Robert Massen, Hugo Hegelbach, Jürg Zuber, Hans Tobler, Niklaus Schoenenberger +1 more | 1996-06-11 |
| 5407141 | Impact mill | Stefan Liebing | 1995-04-18 |
| 5379949 | Method for treating particles of a bulk material and method for controlling a roll mill | Robert Massen, Hugo Hegelbach, Jürg Zuber, Hans Tobler, Niklaus Schoenenberger +1 more | 1995-01-10 |