Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237730 | Friction safety brake having two independent braking circuits | Christoph Dropmann | 2001-05-29 |
| 6202804 | Electromagnetically releasable friction safety brake | Christoph Dropmann | 2001-03-20 |
| 4993532 | Automatic readjusting assembly for an electromagnetic clutch or brake apparatus | Harald Weiss, Winfried Hofler, Gunter Klinger | 1991-02-19 |