Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959967 | Hammer with high pressure shut-off | Heinz-Jurgen Prokop | 2005-11-01 |
| 6510902 | Method and device for determining the operating time and the operating condition of a hydraulic percussion unit | Heinz-Jurgen Prokop, Thomas Deimel | 2003-01-28 |
| 6334495 | Fluid operated percussion device | Thomas Deimel, Marcus Mellwig, Heinz-Jurgen Prokop | 2002-01-01 |
| 5960893 | Fluid-powered percussion tool | Heinz-Jurgen Prokop | 1999-10-05 |
| 5860481 | Fluid-operated striker assembly with automatic stroke length variation | Heinz-Jurgen Prokop, Karlheinz Fritz | 1999-01-19 |