Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492273 | Heating ventilating and/or air conditioning system having a variable speed indoor blower motor | — | 1996-02-20 |
| 5454511 | Controlled setpoint recovery | William F. Van Ostrand, Laurie L. Werbowsky, Peter G. Pierret | 1995-10-03 |
| 5410230 | Variable speed HVAC without controller and responsive to a conventional thermostat | Warren F. Bessler, John Marshall Hooker | 1995-04-25 |
| 5006744 | Integrated electronically commutated motor and control circuit assembly | William R. Archer, Peter B. Lytle, John E. Wynberry | 1991-04-09 |
| 4978896 | Method and apparatus for controlling a blower motor in an air handling system | — | 1990-12-18 |
| 4745629 | Duty cycle timer | Thomas W. Essig | 1988-05-17 |