Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6101824 | Flexible thermostat controller that permits various control point profiles when controlling multistage HVAC equipment | Jeffrey R. Meyer | 2000-08-15 |
| 5611484 | Thermostat with selectable temperature sensor inputs | — | 1997-03-18 |
| 5314004 | Thermostat for a variable capacity HVAC and method for providing a ramping set point on a setback thermostat | Rolf L. Strand | 1994-05-24 |
| 5309730 | Thermostat for a gas engine heat pump and method for providing for engine idle prior to full speed or shutdown | Rolf L. Strand | 1994-05-10 |
| 5230482 | Electronic time thermostat with a temporary next period adjustment means | James W. Ratz, Robert J. Schnell | 1993-07-27 |
| 5197668 | Communicating thermostat | James W. Ratz, Robert J. Schnell | 1993-03-30 |
| 5025984 | Setback thermostat with recovery start time selected non-linearly | Douglas D. Bird | 1991-06-25 |
| 4991770 | Thermostat with means for disabling PID control | Douglas D. Bird | 1991-02-12 |
| 4749881 | Method and apparatus for randomly delaying a restart of electrical equipment | — | 1988-06-07 |
| 4702413 | Temperature control system using a single ramp rate curve for control of a multiplant environmental unit | Thomas J. Beckey, Kerry M. Kallas | 1987-10-27 |