Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777981 | Magnetic detent joy stick and stack remote control valves | — | 1988-10-18 |
| 4682939 | Gear pump or motor with tooth tips of dissimilar metal | — | 1987-07-28 |
| 4569367 | Hydraulic valve inlet unloaders | — | 1986-02-11 |
| 4519420 | Hydraulic valves | — | 1985-05-28 |
| 4519419 | Hydraulic valves | — | 1985-05-28 |
| 4338962 | Control and relief valves | John D. Turko | 1982-07-13 |
| 4194366 | Two speed valves and bi-directional motor system | — | 1980-03-25 |
| 4187877 | Compensated work port fluid valves | Robert F. Hodgson | 1980-02-12 |