Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9132963 | Multipart chain fixing device, trough element and parts for the same | Eugen Baier, Siegfried Schmidt, Uwe Tillessen, Frank Fischer, Jorg Wirtz | 2015-09-15 |
| 9096378 | Connecting device for a trough pan of extraction devices, trough pan and attachment therefor | Uwe Tillessen, Frank Schlüsener, Ingo Pruss | 2015-08-04 |
| 5267640 | Transfer station assembly for scraper-chain conveyors | Bodo Kerklies, Wilfried Mertens, Bernd Steinkuhl | 1993-12-07 |
| 5186309 | Transfer station for transferring material between conveyors in a mine working | — | 1993-02-16 |
| 5161671 | Transfer station for transferring material between conveyors in a mine working | Manfred Senft, Norbert Hesse | 1992-11-10 |
| 4389072 | Longwall mineral mining installation | Horst Linke, Helmut Erwien, Herbert Beyer, Bodo Kerklies, Rudolf Mainusch +3 more | 1983-06-21 |