Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10336305 | Aspirators for producing vacuum using the venturi effect | Dave Fletcher, Brian M. Graichen, Keith Hampton, Andrew Niedert | 2019-07-02 |
| 10323767 | Sprung gate valves movable by an actuator | Brian M. Graichen, David E. Fletcher | 2019-06-18 |
| 10221867 | Flow control for aspirators producing vacuum using the venturi effect | Keith Hampton, David E. Fletcher, Brian M. Graichen, Rex Bravo, James H. Miller +1 more | 2019-03-05 |