Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060616 | Sliding and rotatable vented damper for the control of a fluid through a conduit | David J. Greenough | 2021-07-13 |
| 5773730 | Method and apparatus for sampling room-air conditions for HVAC control | Douglas McConnell | 1998-06-30 |
| 5665923 | Full range-high accuracy air flow sensing device | — | 1997-09-09 |
| 4796803 | Air volume regulator valve | — | 1989-01-10 |
| 4786231 | Noise attenuating and air streamlining spiral | — | 1988-11-22 |
| 4739924 | Air volume regulator valve | — | 1988-04-26 |
| 4726285 | Dimpled air distribution device | — | 1988-02-23 |