Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7097256 | Mining machine with releasable guide piece and the guide piece for it | Uwe Tillessen, Norbert Hesse, Klaus Duhnke, Adam Klabisch | 2006-08-29 |
| 7073870 | Bit holder for a ploughing bit of a coal or extraction plough and ploughing bit | Uwe Tillessen, Norbert Hesse, Klaus Duhnke, Adam Klabisch | 2006-07-11 |
| 7070040 | Toggle and toggle connection assembly | Adam Klabisch, Klaus Duhnke, Norbert Hesse, Uwe Tillessen | 2006-07-04 |
| 7055913 | Chain guide arrangement on a mining machine | Reiner Eickelmann, Uwe Tillessen, Norbert Hesse, Klaus Duhnke, Adam Klabisch | 2006-06-06 |
| 6769742 | Clamped chain cover for longwall plough guide | — | 2004-08-03 |
| 5167438 | Guides for mineral winning ploughs | Heinz-Otto Fiesel, Bernd Steinkuhl | 1992-12-01 |