Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035170 | Direct drive variable displacement hydraulic apparatus | William G. Durtschi | 1991-07-30 |
| 4983141 | Constant velocity joint for hydraulic actuator in an airframe | Kenneth C. Spurbeck | 1991-01-08 |
| 4941395 | Bent-axis hydraulic apparatus | Richard W. Reynolds | 1990-07-17 |
| 4932435 | Multi-stage flow regulating valve | Shan-Chin Tsai | 1990-06-12 |
| 4875403 | Variable displacement port plate | Richard W. Reynolds | 1989-10-24 |
| 4836693 | Intermittently assisted hydrostatic bearing | — | 1989-06-06 |