Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8587233 | Speed-defined torque control | Jordan Bass | 2013-11-19 |
| 7841381 | Heat and energy recovery ventilators and methods of use | Catherine J. Chagnot, Jason Morosko | 2010-11-30 |
| 6826454 | Air conditioning diagnostic analyzer | — | 2004-11-30 |
| 6369536 | Methods and apparatus for selecting an electronically commutated motor speed | Brian L. Beifus, Kamron Mark Wright, Glen C. Young | 2002-04-09 |
| 5485954 | Reduced profile thermostat | Stephen E. Guy, Eric R. Hillmer | 1996-01-23 |
| D361287 | Temperature measuring housing | Stephen E. Guy, Eric R. Hillmer, Stephen P. Bartlett | 1995-08-15 |
| 5326027 | Automatic configuration of air conditioning controller | — | 1994-07-05 |
| 4912938 | DC voltage bleeder for a variable speed air conditioner | C. Lee Stamp, Jr. | 1990-04-03 |
| 4856286 | Refrigeration compressor driven by a DC motor | Robert W. Helt, Thomas Jensen | 1989-08-15 |
| 4573326 | Adaptive defrost control for heat pump system | Carl Bergt, Robert W. Helt | 1986-03-04 |