Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975922 | Hydraulically actuated differential | Douglas Anthony Hughes | 2021-04-13 |
| 6888273 | Integrated motor and clutch assembly | Douglas Anthony Hughes | 2005-05-03 |
| 6412618 | Ball-ramp-actuated friction clutch controlled by a particle-clutch | Dale Arden Stretch | 2002-07-02 |
| 6182808 | Viscous actuated ball ramp clutch having through shaft capability | Erlen B. Walton, Michael W. Nank, William N. Eybergen | 2001-02-06 |
| 6016102 | Pressure sensor housing | G. Clark Fortune, Thomas J. Waraksa, John Prainito | 2000-01-18 |