Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247892 | Ecoair valve with pneumatic solenoid to provide auto zero function for air velocity pressure sensor | Jon Douglas, Jack A. Peterson | 2025-03-11 |
| 11630019 | Ecoair valve with pneumatic solenoid to provide auto zero function for air velocity pressure sensor | Jon Douglas, Jack A. Peterson | 2023-04-18 |
| 4322299 | Method of simultaneous air-water wash of multiple-media filters | James C. Young | 1982-03-30 |