Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064351 | Variable displacement pumps | Peter M. Hamey | 1991-11-12 |
| 4811607 | Flow sensor | Peter M. Hamey | 1989-03-14 |
| 4667571 | Hydraulic control system | — | 1987-05-26 |
| 4635682 | Hydraulic valves with dual feedback control | — | 1987-01-13 |
| 4619186 | Pressure relief valves | — | 1986-10-28 |
| 4598626 | Feedback controlled hydraulic valve system | John A. Hammond | 1986-07-08 |
| 4459860 | Flow sensor with extended low flow range | — | 1984-07-17 |
| 4413648 | Hydraulic valves | Anthony G. Hammond | 1983-11-08 |
| 4411289 | Hydraulic valve | — | 1983-10-25 |
| 4362084 | Hydraulic actuator controls | — | 1982-12-07 |
| 4235105 | Hydraulic actuator controls | — | 1980-11-25 |