Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154667 | Power hammer improvements | Magnus Mauch | 1992-10-13 |
| 4817733 | Hydraulic pile driver | Achim Kehrberger | 1989-04-04 |
| 4471666 | Vibratory ram for ramming and/or drawing of ramming members | Ludwig Unrath | 1984-09-18 |
| 4412757 | Vibration machine for compacting materials, in particular an earth compacting machine | Friedrich Kummel, Manfred Schubert, Ludwig Unrath | 1983-11-01 |