Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702043 | Drilling machine with arc-like drill pipe holder | Hubert Koch, Karl-Robert Rohkamm, Josef Maus, Gerald Labedski, Rainer Finkenbusch | 2004-03-09 |
| 6202763 | """Twin-impact"" double-blow drilling apparatus" | Josef Maus | 2001-03-20 |
| 5667022 | Hydraulic impact device with continuously controllable impact rate and impact force | — | 1997-09-16 |