Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597014 | High-flow direct-drive rotary servovalve | — | 1997-01-28 |
| 5484269 | Fluid intensifier | — | 1996-01-16 |
| 4878419 | Lightweight hydraulic actuator | — | 1989-11-07 |
| 4854222 | Load compensated servo system to control flow rate as a function of command | — | 1989-08-08 |
| 4794845 | Direct drive rotary servo valve | — | 1989-01-03 |
| 4644971 | High pressure pilot operated valve | — | 1987-02-24 |
| 4458718 | Spool valve and seal having zero leakage | — | 1984-07-10 |
| 4450870 | Liquid spring accumulator with self-charging means | — | 1984-05-29 |
| 4433615 | Blocking and thermal relief valve | — | 1984-02-28 |
| 4183375 | Multi-path valve structure having extended life | — | 1980-01-15 |