Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7456828 | Joystick device | Joseph J. Schottler | 2008-11-25 |
| 6422254 | Hydraulic control cold start neutral valve | — | 2002-07-23 |
| 6260468 | Single-piece proportional control | David D. Dirks, Wilhelm Gollner, Doug Kardell | 2001-07-17 |
| 6257119 | Ball joint for servo piston actuation in a bent axis hydraulic unit | David D. Dirks, Doug Kardell, Wilhelm Gollner | 2001-07-10 |