Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9328946 | Heat pumps with unequal cooling and heating capacities for climates where demand for cooling and heating are unequal, and method of adapting and distributing such heat pumps | Jie Chen, Allan J. Reifel, David L. Koesterer | 2016-05-03 |
| 9121628 | Heat pumps with unequal cooling and heating capacities for climates where demand for cooling and heating are unequal, and method of adapting and distributing such heat pumps | Jie Chen, Allan J. Reifel, David L. Koesterer | 2015-09-01 |
| 8011199 | HVAC control using discrete-speed thermostats and run times | Jie Chen, Allan J. Reifel, Dave L. Koesterer | 2011-09-06 |