Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7316456 | Roadheading or mining machine with roof bolt drilling and setting devices | Ralf Walker, Franz Wels, Manfred Meier | 2008-01-08 |
| 6785988 | Driving or mining machine | Egmont Lammer, Ralf Grief, Reinhard Neuper | 2004-09-07 |
| 6428109 | Mining machine with sliding cutting tool assembly | Peter Kogler | 2002-08-06 |
| 5178494 | Roof support for underground excavations such as coal mines | Alfred Zitz, Heinrich Suessenbeck | 1993-01-12 |
| 4958696 | Switching arrangement for the hydraulic drive means of a full-track vehicle | — | 1990-09-25 |
| 4613256 | Supporting frame | Alfred Zitz, Werner Toferer, Heinrich Sussenbeck | 1986-09-23 |