Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10323762 | Three-way pressure control and flow regulator valve | — | 2019-06-18 |
| 5319933 | Proportional speed control of fluid power devices | Carl-Johan Omberg | 1994-06-14 |
| 5193342 | Proportional speed control of fluid power devices | Carl-Johan Omberg | 1993-03-16 |
| 5011113 | Fluid control valve | Thomas J. Stobbs, Kishor J. Patel, Frank M. Fritz, Dale A. Knutson | 1991-04-30 |
| 5005803 | High response, compact solenoid two-way valve | Frank M. Fritz, Dale A. Knutson | 1991-04-09 |
| 4889161 | Compensated individual segment flow regulator | — | 1989-12-26 |
| 4774976 | Modulating hydraulic pressure control valve and assembly method therefor | Ronald C. Koltz | 1988-10-04 |
| 4576200 | Hydraulic pressure reducing control valve | Kishor J. Patel | 1986-03-18 |