Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4607890 | Guides for mineral mining machines | Gerhard Merten, Bernd Steinkuhl | 1986-08-26 |
| 4561697 | Guides for mineral mining | — | 1985-12-31 |
| 4505518 | Mineral winning machines | — | 1985-03-19 |
| 4403809 | Mineral winning plough | Oswald Breuer, Bernd Steinkuhl | 1983-09-13 |
| 4391471 | Guides for mineral mining machines | Hans-Dieter Schneider, Christoph Rassmann | 1983-07-05 |
| 4280733 | Asymmetric mineral mining plough | Christoph Rassmann, Gunter Schwolow, Horst Huss | 1981-07-28 |
| 4279445 | Longwall mining installation having stable-hole plough | — | 1981-07-21 |
| 4272130 | Mineral mining installation | — | 1981-06-09 |
| 4245736 | Devices for attachment to scraper-chain conveyors used in mineral mining | Bernd Steinkuhl, Horst Schlusener | 1981-01-20 |
| 4205882 | Mineral mining conveyor with guide connecting feature | Wolfgang Peters | 1980-06-03 |