| 9988904 |
Plow bit assembly |
Gerhard Siepenkort, Uwe Tillessen, Klaus Duhnke, Susanne Wutzke |
2018-06-05 |
| 8752906 |
Mining plough for plough systems and plough system for inclined formation |
Adam Klabisch, Norbert Hesse, Gerhard Siepenkort, Klaus Duhnke |
2014-06-17 |
| 8733536 |
Transfer station |
Adam Klabisch, Norbert Hesse, Gerhard Siepenkort, Klaus Duhnke |
2014-05-27 |
| 8714659 |
Bit arrangement for a mining plough, and mining plough for plough systems |
Adam Klabisch, Norbert Hesse, Gerhard Siepenkort, Klaus Duhnke |
2014-05-06 |
| 8632134 |
Carriage for a recovery plough |
Adam Klabisch, Norbert Hesse, Gerhard Siepenkort, Klaus Duhnke |
2014-01-21 |
| 8544960 |
Chain guide for a driving chain of a mining machine |
Adam Klabisch, Norbert Hesse, Gerhard Siepenkort, Klaus Duhnke |
2013-10-01 |
| 8276990 |
Drive station for an underground plough system and method for repairing recovery ploughs |
Adam Klabisch, Klaus Duhnke, Norbert Hesse, Gerhard Siepenkort |
2012-10-02 |
| 8128176 |
Device for determining the cutting horizon of a mining extraction system, and pan element therefor |
Adam Klabisch, Norbert Hesse, Klaus Duhnke, Gerhard Siepenkort |
2012-03-06 |
| 7575284 |
Mining plow |
Klaus Duhnke, Norbert Hesse, Gerhard Siepenkort, Adam Klabisch |
2009-08-18 |
| 7399039 |
Baseplate plow guide section |
Klaus Duhnke, Norbert Hesse, Gerhard Siepenkort, Adam Klabisch |
2008-07-15 |
| 7347501 |
Plow baseplate |
Klaus Duhnke, Norbert Hesse, Gerhard Siepenkort, Adam Klabisch |
2008-03-25 |
| 7303352 |
Connection device |
Klaus Duhnke, Norbert Hesse, Gerhard Siepenkort, Adam Klabisch |
2007-12-04 |
