Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715659 | Mineral mining installations | Christoph Rassmann, Gerhard Nickel, Bernd Steinkuhl, Egon Pfefferle | 1987-12-29 |
| 4679429 | Hydraulic ram stroke monitoring apparatus | Werner Rafael, Horst Schlusener | 1987-07-14 |
| 4607890 | Guides for mineral mining machines | Bernd Steinkuhl, Alois Hauschopp | 1986-08-26 |
| 4583785 | Mineral winning plough | Oswald Breuer, Bernd Steinkuhl, Christoph Rassmann | 1986-04-22 |
| 4571127 | Advance mechanism for mine roof support units | Gunter Lagodka | 1986-02-18 |
| 4571003 | Apparatus for controlling the position of a mineral mining machine | Franz Roling, Bernd Steinkuhl | 1986-02-18 |
| 4557525 | Cutter bit assembly | Oswald Breuer, Norbert Hesse, Bernd Steinkuhl | 1985-12-10 |
| 4474411 | Guides for mineral mining machines | Wolfgang Peters, Christoph Rassmann | 1984-10-02 |
| 4458951 | Apparatus for controlling the position of a mineral mining machine | Bernd Steinkuhl, Oswald Breuer, Horst Schlusener | 1984-07-10 |
| 4456307 | Cutter bit assembly | Oswald Breuer, Norbert Hesse, Bernd Steinkuhl | 1984-06-26 |
| 4453771 | Mineral winning plough with sword plate formed of plural parts | Bernd Steinkuhl, Oswald Breuer | 1984-06-12 |
| 4402634 | Mineral mining installation | Horst Schlusener, Kunibert Becker, Herbert Beyer | 1983-09-06 |
| 4376553 | Floor cutter bit | Oswald Breuer | 1983-03-15 |
| 4332421 | Coupling devices for connecting a mineral mining machine to a drive chain | Oswald Breuer, Bernd Steinkuhl | 1982-06-01 |
| 4286823 | Conveyor and guide assembly | Wolfgang Peters, Hans-Dieter Schneider, Willy Heyer | 1981-09-01 |
| 4275927 | Mineral mining plough with worm adjustable roof cutter | Oswald Breuer, Steinkuhl Bernd | 1981-06-30 |
| 4241824 | Conveyors for use in mineral mining installations | Werner Georg, Helmut Langenberg | 1980-12-30 |
| 4220371 | Method of mineral mining plough operation in two directions of varying depth cut | — | 1980-09-02 |