Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431401 | Slide shoe for mining winning machine | Johannes Weβelmann, Markus Lenzing, Sebastian Mundry, Gerhard Merten | 2008-10-07 |
| 7325670 | Conveyor pan | Dirk Vorsteher, Gerhard Merten, Frank Fischer, Jorg Wirtz, Siegfried Schmidt +4 more | 2008-02-05 |
| 7032743 | Conveyor pan | Dirk Vorsteher, Gerhard Merten, Frank Fischer, Jorg Wirtz, Siefgried Schmidt +4 more | 2006-04-25 |
| 6966429 | Conveyor pan | Dirk Vorsteher, Gerhard Merten, Frank Fischer, Jorg Wirtz, Siefgried Schmidt +4 more | 2005-11-22 |
| 6896121 | Conveyor pan | Dirk Vorsteher, Gerhard Merten, Frank Fischer, Jorg Wirtz, Siefgried Schmidt +4 more | 2005-05-24 |