Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7779930 | Hydraulic impact hammer with overpressure and piston-overtravel protection | Stefan Lohmann, Reiner Koch, Markus Mellwig, Hendrik Moller, Uwe Autschbach | 2010-08-24 |
| 5873579 | Protective device for a fluid-operated percussion tool | Heinz-Jurgen Prokop, Thomas Deimel, Martin Schareina, Thorsten Ahr | 1999-02-23 |
| 5860481 | Fluid-operated striker assembly with automatic stroke length variation | Heinz-Jurgen Prokop, Marcus Geimer | 1999-01-19 |
| 4646854 | Hydraulic striking device | Friedrich Arndt | 1987-03-03 |