Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900091 | Electrohydraulic coal-mining system | Gustav Neu, Karl-Heinz Berger | 1990-02-13 |
| 4755083 | Adjustable cap unit | Hans-Ferdinand Bemmerl | 1988-07-05 |
| 4586424 | Hydraulic control arrangement | — | 1986-05-06 |
| 4225271 | Hydraulically operated mine roof support and a control arrangement thereof | — | 1980-09-30 |
| 4220424 | Valve arrangement for a walking mine roof support | — | 1980-09-02 |