Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836408 | Rotary percussion blow assisted drill | Werner Kleine, Werner Bongers | 1998-11-17 |
| 5779403 | Percussive blow assisted rotary drill | Werner Kleine, Werner Bongers | 1998-07-14 |
| 5553682 | Rock drill | Rainer Batliner, Anton Knoller | 1996-09-10 |
| 5529445 | Tool bit and tool chuck for manually operated tools | Josef Obermeier | 1996-06-25 |
| 5503237 | Helical drill | — | 1996-04-02 |
| 5492187 | Twist drill | Rainer Batliner, Maximilian Stock, Ralf Baumann | 1996-02-20 |
| 5427481 | Tool bit and tool bit chuck for hand tools | Michael Selb, Heinrich Pauli | 1995-06-27 |
| 5145237 | Cutter bit with optimized shank | Reinhard Schulz, Josef Obermeier | 1992-09-08 |