Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11925253 | Wearable drive system for a work apparatus | Michael Steffen, Patrick Diller, Rudolf Berger | 2024-03-12 |
| 7714686 | Frequency converter with fan cooling | Matthias Meyer | 2010-05-11 |
| 7345561 | Frequency converter with fan cooling | Matthias Meyer | 2008-03-18 |
| 6960013 | High frequency immersion vibrator comprising a cooled electronic frequency converter | Michael Steffen, Dirk Sibila, Thomas Müller | 2005-11-01 |
| 6544025 | Concrete compacting device with vibration sensor and control unit | Michael Steffen | 2003-04-08 |