Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8690262 | Heading machine having cutting unit made of disc tools | Bernhard Ebner | 2014-04-08 |
| 7959378 | Base for a drilling device | Bernhard Ebner | 2011-06-14 |
| 6428109 | Mining machine with sliding cutting tool assembly | Karl Lerchbaum | 2002-08-06 |
| 6244664 | Extendable end assembly for a mine face cutting roller | Bernhard Ebner | 2001-06-12 |
| 5575537 | Tunnel drilling machine or tube-driving machine | Gunther Koslowski | 1996-11-19 |
| 4805963 | Shield advancing machine | Berthold Scheiber, Wulf Martin, Herwig Wrulich | 1989-02-21 |
| 4389075 | Device for preventing ingress of dust through the annular gap between the cutting arm and the cutting head of a cutting machine | — | 1983-06-21 |
| 4236627 | Cutting machine | Siegfried Sigott, Otto Schetina, Alfred Zitz | 1980-12-02 |
| 4225144 | Device for sealing the gap between component parts rotatable relative to each other | Alfred Zitz, Otto Schetina | 1980-09-30 |