Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9133893 | Clutch arrangement and actuation method | — | 2015-09-15 | |
| 7159702 | Actuator for viscous clutch with magnetic oil circulation valve | — | 2007-01-09 | $20,575,000 |
| 7040545 | Heat generator | — | 2006-05-09 | $16,990,000 |
| 6736195 | Cooling fin arrangement | Matthias Busch, Thomas Tauschel | 2004-05-18 | $3,041,000 |
| 6732845 | Fluid friction clutch | Thomas Buchholz, Ulrich Niedermeier | 2004-05-11 | $9,245,000 |
| 6026943 | Segmented reservoir for viscous clutches | Ralf Fuchs, Thomas Buchholz | 2000-02-22 | $53,734,000 |