Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837500 | Fluid friction clutch | Thomas Buchholz | 2020-11-17 |
| 9903423 | Fluid friction clutch | — | 2018-02-27 |
| 9534643 | Liquid friction clutch | Thomas Buchholz | 2017-01-03 |
| 8875861 | Liquid friction clutch | Thomas Buchholz | 2014-11-04 |
| 7011198 | Device for regulating rotational speed of the driven rotor of a viscosity coupling | Thomas Buchholz | 2006-03-14 |