Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |