Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947265 | Chain drum arrangement for scraper chain conveyors | Gerhard Merten, Adam Klabisch | 1999-09-07 |
| 5927479 | Chain drum arrangement for scraper chain conveyors | Gerhard Merten, Adam Klabisch | 1999-07-27 |
| 5601341 | Drive gear and guide arrangement for a mining machine, in particular a disk shearer | Gerhard Merten, Frank Fischer | 1997-02-11 |
| 5287955 | Connections for inter-connecting the pans of scraper-chain conveyors | Detlef Hahn | 1994-02-22 |
| 5267640 | Transfer station assembly for scraper-chain conveyors | Bodo Kerklies, Wilfried Mertens, Bernhard Wleklinski | 1993-12-07 |
| 5249664 | Scraper units for scraper-chain assemblies | — | 1993-10-05 |
| 5224582 | Channel sections for scraper-chain conveyors | Detlef Hahn | 1993-07-06 |
| 5171065 | Mineral mining installation with chain-tensioning system | Norbert Hesse | 1992-12-15 |
| 5167438 | Guides for mineral winning ploughs | Heinz-Otto Fiesel, Gerhard Siepenkort | 1992-12-01 |
| 5156258 | Scraper-chain conveyors for use in mineral mining | Detlef Hahn | 1992-10-20 |
| 5092660 | Cutter bit assemblies and arrangements for use with mining or tunnelling machines | Christoph Rassmann, Oswald Breuer, Egon Pfefferle | 1992-03-03 |
| 5033604 | Connections between the pans of scraper-chain conveyors | Heinz-Otto Fiesel, Christoph Rassmann | 1991-07-23 |
| 4934757 | Control of mineral mining machines | Gerhard Merten, Christoph Rassmann, Alfred Marquart | 1990-06-19 |
| 4787501 | Connections for scraper-chain conveyors | Christoph Rassmann, Peter Lindenau, Horst Schlusener | 1988-11-29 |
| 4762372 | Cutter-bit assemblies | Christoph Rassmann, Oswald Breuer | 1988-08-09 |
| 4735304 | Scraper-chain conveyor channel section | Gunther-Dietmar Schoop, Franz Roling, Manfred Redder | 1988-04-05 |
| 4715659 | Mineral mining installations | Christoph Rassmann, Gerhard Nickel, Gerhard Merten, Egon Pfefferle | 1987-12-29 |
| 4626034 | Cutter-bit assemblies | Oswald Breuer, Franz Roling, Norbert Hesse, Christoph Rassmann, Gunther-Dietmar Schoop +1 more | 1986-12-02 |
| 4607890 | Guides for mineral mining machines | Gerhard Merten, Alois Hauschopp | 1986-08-26 |
| 4583785 | Mineral winning plough | Oswald Breuer, Gerhard Merten, Christoph Rassmann | 1986-04-22 |
| 4571003 | Apparatus for controlling the position of a mineral mining machine | Franz Roling, Gerhard Merten | 1986-02-18 |
| 4557525 | Cutter bit assembly | Gerhard Merten, Oswald Breuer, Norbert Hesse | 1985-12-10 |
| 4548444 | Mineral winning plough | Oswald Breuer, Norbert Hesse | 1985-10-22 |
| 4458951 | Apparatus for controlling the position of a mineral mining machine | Gerhard Merten, Oswald Breuer, Horst Schlusener | 1984-07-10 |
| 4456307 | Cutter bit assembly | Gerhard Merten, Oswald Breuer, Norbert Hesse | 1984-06-26 |