Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450409 | Method and apparatus for wiring room thermostat to two stage HVAC system | Mitchell R. Rowlette, Mark E. Miller | 2002-09-17 |
| 5806440 | Method for controlling an induced draft fan for use with gas furnaces | Mitchell R. Rowlette, Youn H. Ting, Ronald E. Garnett | 1998-09-15 |
| 5720231 | Induced draft fan control for use with gas furnaces | Mitchell R. Rowlette, Youn H. Ting, Ronald E. Garnett | 1998-02-24 |
| 5655709 | Electrical control system for relay operation responsive to thermostat input having improved efficiency | Ronald E. Garnett | 1997-08-12 |
| 5524556 | Induced draft fan control for use with gas furnaces | Mitchell R. Rowlette, Youn H. Ting, Ronald E. Garnett | 1996-06-11 |
| 4860188 | Redundant power supply control | Kent Pettus | 1989-08-22 |
| 4503432 | Adaptive threshold detection utilizing a tapped charge transfer device delay line | — | 1985-03-05 |