Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9586302 | Method for cyclically screening a working chamber opening and a screening device for carrying out the method | Josef Artmann, Heinrich Dropmann | 2017-03-07 |
| 9121445 | Bearing device for screw conveyor shafts | — | 2015-09-01 |