Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6113359 | Axial piston pump and relieved valve plate therefor | John Thompson | 2000-09-05 |
| 5593285 | Hydraulic axial piston unit with multiple valve plates | — | 1997-01-14 |
| 5554007 | Variable displacement axial piston hydraulic unit | — | 1996-09-10 |
| 5515768 | Slipper holddown device for an axial piston pump | Wayne Fritz, Phillip J. Wenger | 1996-05-14 |
| 5390584 | Follow up mechanism for a swashplate bearing | Wayne Fritz | 1995-02-21 |
| 5265422 | Pilot-operated pressure override valve | — | 1993-11-30 |
| 5193584 | Spool valve and method of making the same | — | 1993-03-16 |
| 5118079 | Removable fluid seal and method | — | 1992-06-02 |
| 4620475 | Hydraulic displacement unit and method of assembly thereof | — | 1986-11-04 |