Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006100 | Two-speed planetary gear mechanism | Christopher D. Brandt, David Kettler, Willis E. Windish | 1991-04-09 |
| 4865176 | Modulating inching valve with automatic pressure control | Kenneth F. Golan, Alan R. Coutant, Hugh C. Morris | 1989-09-12 |
| 4751866 | Ratio valve to control unloading of modulating relief valve | — | 1988-06-21 |
| 4619187 | Fluid control for two independent actuators | Alan R. Coutant | 1986-10-28 |
| 4583624 | Fluid system with selective differential pressure control | — | 1986-04-22 |
| 4492251 | Fluid control system for two independent actuators | — | 1985-01-08 |
| 4478237 | Pressure modulating and reducing valve | Alan R. Coutant | 1984-10-23 |
| 4294278 | Pressure modulating valve | — | 1981-10-13 |