Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8960807 | Hydraulic circuit for longwall mining | Wilfried Weigel, Peter Rahms | 2015-02-24 |
| 8876218 | Hydraulic circuit for longwall support | Wilfried Weigel, Peter Rahms | 2014-11-04 |
| 8726937 | Control device for an extracting unit in the work face of a mine | — | 2014-05-20 |