Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801763 | Air conditioner with multiple expansion devices | Harold Gene Havard, Jr., Terry Jewell | 2020-10-13 |
| 10458691 | Controlling air conditioner modes | Pete Hrejsa, Eric Berg | 2019-10-29 |
| 10352611 | Defrost control using fan data | H. Gene Havard, Jon Douglas, Jeff Mangum | 2019-07-16 |
| 10295244 | Defrost operation management in heat pumps | Bruce Perkins, Mark Olsen | 2019-05-21 |
| 10139143 | Air conditioner with multiple expansion devices | Harold Gene Havard, Jr., Terry Jewell | 2018-11-27 |
| 10041721 | Heat pump comprising primary defrost operation and secondary defrost operation and method of operating heat pump | Bruce Perkins, Chris McHugh, Mark Olsen | 2018-08-07 |
| 10018400 | Defrost operation management in heat pumps | Bruce Perkins, Mark Olsen | 2018-07-10 |
| 9933200 | Defrost operation management | Pete Hrejsa | 2018-04-03 |
| 9874381 | Method to control electronic expansion valve | Carl T. Crawford | 2018-01-23 |
| 9810467 | Controlling air conditioner modes | Pete Hrejsa, Eric Berg | 2017-11-07 |
| 9803911 | Defrost control using fan data | H. Gene Havard, Jon Douglas, Jeff Mangum | 2017-10-31 |
| 9719715 | Using weather data in heat pump defrost control | Pete Hrejsa | 2017-08-01 |
| 9605889 | Defrost control using fan data | H. Gene Havard, Jon Douglas, Jeff Mangum | 2017-03-28 |
| 9341405 | Defrost control using fan data | H. Gene Havard, Jon Douglas, Jeff Mangum | 2016-05-17 |
| 9151526 | Method to control electronic expansion valve | Carl T. Crawford | 2015-10-06 |
| 8931288 | Pressure regulation of an air conditioner | Der-Kai Hung | 2015-01-13 |