Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453771 | Mineral winning plough with sword plate formed of plural parts | Gerhard Merten, Oswald Breuer | 1984-06-12 |
| 4403809 | Mineral winning plough | Alois Hauschopp, Oswald Breuer | 1983-09-13 |
| 4332421 | Coupling devices for connecting a mineral mining machine to a drive chain | Gerhard Merten, Oswald Breuer | 1982-06-01 |
| 4245736 | Devices for attachment to scraper-chain conveyors used in mineral mining | Alois Hauschopp, Horst Schlusener | 1981-01-20 |
| 4199194 | Control means for a coal plough | Oswald Breuer | 1980-04-22 |