Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8567869 | Shield control device for carrying out the longwall function of a longwall unit in the longwall face working in a mine | Peter Rahms | 2013-10-29 |
| 8100707 | Plug contact pairing | Peter Rahms | 2012-01-24 |
| 7659675 | Device for illuminating the stope support at a longwall face | — | 2010-02-09 |
| 7659832 | Electrically controlled actuating element on a machine | — | 2010-02-09 |
| 7549709 | Mining device | — | 2009-06-23 |
| 7494190 | Coal face support in a mine | — | 2009-02-24 |
| 7478884 | Hydraulic switching mechanism for longwall supports | — | 2009-01-20 |
| 7458307 | Hydraulic control for a longwall support | — | 2008-12-02 |
| 7455368 | Control mechanism for the extension units in the longwall face of a mine | Peter Rahms | 2008-11-25 |
| 7357152 | Releasable non-return valve | — | 2008-04-15 |
| 6877277 | Coupling for explosion-proof connection of two electric line ends | Frank Reiner | 2005-04-12 |