Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7073870 | Bit holder for a ploughing bit of a coal or extraction plough and ploughing bit | Uwe Tillessen, Norbert Hesse, Gerhard Siepenkort, Klaus Duhnke | 2006-07-11 |
| 7070040 | Toggle and toggle connection assembly | Klaus Duhnke, Norbert Hesse, Gerhard Siepenkort, Uwe Tillessen | 2006-07-04 |
| 7055913 | Chain guide arrangement on a mining machine | Reiner Eickelmann, Uwe Tillessen, Norbert Hesse, Gerhard Siepenkort, Klaus Duhnke | 2006-06-06 |
| 6959769 | Plough chain strand comprising a chain lock link | Gerhard Merten, Jürgen Berghoff, Rainer Benecke | 2005-11-01 |
| 6708817 | Drive and tensioning station of a chain scraper conveyor | Gerhard Merten, Hans Meya | 2004-03-23 |
| 6612424 | Drive shaft for scraper chain conveyors for double inboard and double outer chain conveyor belts | Gerhard Merten | 2003-09-02 |
| 6607074 | Drive station for a chain scraper conveyor for mining operations | Gerhard Merten, Hans Meya, Ulrich Mohn | 2003-08-19 |
| 5947265 | Chain drum arrangement for scraper chain conveyors | Gerhard Merten, Bernd Steinkuhl | 1999-09-07 |
| 5927479 | Chain drum arrangement for scraper chain conveyors | Gerhard Merten, Bernd Steinkuhl | 1999-07-27 |