Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259572 | Towing vehicle without draw tongue for towing aircraft | Wilhelm Franken, Ernest Kretschmann, Gerhard Weigardt, Torsten L. Michaelsen, Dieter Pohe | 1993-11-09 |
| 4564241 | Power supply arrangement for pulled mining machines | Joachim Holz, Wolfgang Meier, Kurt Ogorek, Karl H. Schwarting | 1986-01-14 |
| 4555142 | Supply of liquid media for a hydraulic-mechanically operating mine working machine with sword | Joachim Holz, Wolfgang Meier, Karl H. Schwarting, Kurt Ogorek | 1985-11-26 |
| 4367902 | Tool for hydromechanical or hydraulic mining or for cutting mineral or bituminous materials | Karl H. Schwarting, Roland Gunther, Joachim Holz, Kurt Ogorek | 1983-01-11 |
| 4239290 | Hydromechanical planer with cutting and breaking heads | Roland Gunther, Kurt Ogorek, Karl H. Schwarting | 1980-12-16 |
| 4181363 | Mining method and mining machine for cutting away hard mineral materials | Roland Gunther, Kurt Ogorek, Karl H. Schwarting, Wilfried Witulski | 1980-01-01 |