Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776154 | Stone detector for field chopper | Burkhard Weiss, Erich Herrmann | 1988-10-11 |
| 4758788 | Metal detector for intake of field chopper | Burkhard Weiss, Erich Herrmann | 1988-07-19 |
| 4720963 | Method of detecting stones in the intake of a field chopper | Burkhard Weiss, Erich Herrmann | 1988-01-26 |
| 4199924 | Tensioning and safety apparatus for conveyor chain of row-crop harvester | Theodor Eistert, Christian Noack, Bernd Zumpe, Konrad Bergmann, Gerhard Schmidt +3 more | 1980-04-29 |