Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10578220 | Proportionally controlled pinch valves, systems and methods | — | 2020-03-03 |
| D770018 | Pinch valve head | Russell M. Ziegler, Winston K. Wong | 2016-10-25 |
| D735834 | Valve head | Winston K. Wong, Albin A. Huntley, Russell M. Ziegler | 2015-08-04 |
| D726874 | Cassette solenoid pinch valve | Winston K. Wong, Albin A. Huntley, Russell M. Ziegler | 2015-04-14 |
| D726875 | Valve head | Winston K. Wong, Albin A. Huntley, Russell M. Ziegler | 2015-04-14 |