Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9075956 | Programmable customized user interface for transport refrigeration units | Deborah A. Champagne, John F. Hannon, Daniel L. Waser | 2015-07-07 |
| 7189065 | Compressor heat regenerative system | — | 2007-03-13 |
| 7089087 | Limited access comfort control | — | 2006-08-08 |
| 6886354 | Compressor protection from liquid hazards | — | 2005-05-03 |
| 6865449 | Location adjusted HVAC control | — | 2005-03-08 |
| 6853882 | HVAC system monitoring | — | 2005-02-08 |
| 6480803 | Load shedding thermostat | Peter G. Pierret | 2002-11-12 |
| 6431843 | Method of ensuring optimum viscosity to compressor bearing system | — | 2002-08-13 |
| 5727395 | Defrost control for heat pump | Zhichao Guo, Robert P. Dolan, Kevin A. Kimberly, Thomas R. Phillips | 1998-03-17 |
| 5559407 | Airflow control for variable speed blowers | Peter G. Pierret | 1996-09-24 |
| 5345966 | Powered damper having automatic static duct pressure relief | — | 1994-09-13 |
| 5095715 | Electric power demand limit for variable speed heat pumps and integrated water heating heat pumps | — | 1992-03-17 |
| 5081846 | Control of space heating and water heating using variable speed heat pump | Kevin B. Dunshee, Lowell E. Paige | 1992-01-21 |
| 5077983 | Method and apparatus for improving efficiency of a pulsed expansion valve heat pump | — | 1992-01-07 |
| 5065593 | Method for controlling indoor coil freeze-up of heat pumps and air conditioners | Kevin B. Dunshee, Alan D. Abbott | 1991-11-19 |
| 5062276 | Humidity control for variable speed air conditioner | — | 1991-11-05 |
| 5054294 | Compressor discharge temperature control for a variable speed compressor | — | 1991-10-08 |
| 5052186 | Control of outdoor air source water heating using variable-speed heat pump | Lowell E. Paige, Kevin B. Dunshee, Roger J. Voorhis | 1991-10-01 |
| 5050394 | Controllable variable speed heat pump for combined water heating and space cooling | Lowell E. Paige, Kevin B. Dunshee | 1991-09-24 |
| 5042264 | Method for detecting and correcting reversing valve failures in heat pump systems having a variable speed compressor | — | 1991-08-27 |
| 5036676 | Method of compressor current control for variable speed heat pumps | — | 1991-08-06 |
| 5012652 | Crankcase heater control for hermetic refrigerant compressors | — | 1991-05-07 |
| 4766734 | Heat pump system with hot water defrost | — | 1988-08-30 |