Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291304 | Gear set assembly and bicycle gearing system | Peter Ziemer, Thomas Riedisser, Hagen Doepfert, Christoph Margraf, Reinhard Deppert +7 more | 2025-05-06 |
| 11261943 | Planet-type multi-stage transmission for a bicycle or pedelec | Peter Ziemer, Christoph Margraf, Thomas Riedisser, Kim Führer, Hagen Doepfert | 2022-03-01 |
| 10480641 | Assembly for blocking and enabling a shifting position of a shifting element | Peter Ziemer, Josef Haupt, Christoph Margraf, Markus Herrmann, Thilo Schmidt +4 more | 2019-11-19 |