Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5524746 | Individualizing service for sorting particles of a bulk material | Robert Massen, Jürg Zuber, Hans Tobler, Niklaus Schoenenberger, Helmut Zapf +1 more | 1996-06-11 |
| 5379949 | Method for treating particles of a bulk material and method for controlling a roll mill | Robert Massen, Jürg Zuber, Hans Tobler, Niklaus Schoenenberger, Helmut Zapf +1 more | 1995-01-10 |
| 5174511 | Apparatus for feeding material for a roll mill | Edgar Ruegger, Josef Huber | 1992-12-29 |
| 4979887 | Pellet mill | Werner Groebli, Willi Wetzel | 1990-12-25 |
| 4861529 | Press roller adjustment | Werner Groebli, Hanspeter Schaffner | 1989-08-29 |
| 4770621 | Pellet mill | Werner Groebli, Hanspeter Schaffner | 1988-09-13 |