Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856924 | Bimetal coil assembly for fan drive | Ryan Livingston, Jason R. Roderick | 2018-01-02 |
| 9664238 | Bimetal activated viscous clutch with wiper on clutch disk | — | 2017-05-30 |
| 9587683 | Viscous clutch drive with electromagnetic activation and wiper on clutch disk | — | 2017-03-07 |
| 9316272 | Viscous clutch with high-speed wiper system | — | 2016-04-19 |
| 6752251 | Electronically controlled viscous fan drive | James P. May, Neil E. Robb | 2004-06-22 |