Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285715 | Electrohydraulic servovalve with flow gain compensation | Alvon C. Elrod, Robert C. Heagey, Donald C. Muths, Larry L. Nichols | 1994-02-15 |
| 5031653 | Differential cylinder pressure gain compensation for single stage servovalve | Samuel L. Wilson, Timothy C. Bryarly | 1991-07-16 |
| 4585216 | Linear actuator suspension system | Kent R. Boyer | 1986-04-29 |
| 4576203 | Pressure-operated eccentric shaft coupling | Kent R. Boyer | 1986-03-18 |
| 4216795 | Position feedback attachment | Kim Coakley | 1980-08-12 |
| 4201114 | Electrohydraulic servovalve having removably attached feedback element | Donald A. Muths | 1980-05-06 |