Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11754328 | Method and system for the heat-pump control to reduce liquid refrigerant migration | Eric Berg, Wenqian Liu, Umesh Gokhale, Srini Natarajan | 2023-09-12 |
| 11592225 | Method and system for the heat-pump control to reduce liquid refrigerant migration | Eric Berg, Wenqian Liu, Umesh Gokhale, Srini Natarajan | 2023-02-28 |
| 10775070 | Method for solving charge imbalance in existing split heat pump | Tim Brizendine, Bruce Perkins | 2020-09-15 |
| 10352611 | Defrost control using fan data | Yi Qu, H. Gene Havard, Jon Douglas | 2019-07-16 |
| 10208995 | Fan motor controller for use in an air conditioning system | — | 2019-02-19 |
| 9803911 | Defrost control using fan data | Yi Qu, H. Gene Havard, Jon Douglas | 2017-10-31 |
| 9605889 | Defrost control using fan data | Yi Qu, H. Gene Havard, Jon Douglas | 2017-03-28 |
| 9599383 | Fan motor controller for use in an air conditioning system | — | 2017-03-21 |
| 9476600 | Fan motor controller for use in an air conditioning system | John Tran, Mark Olsen | 2016-10-25 |
| 9341405 | Defrost control using fan data | Yi Qu, H. Gene Havard, Jon Douglas | 2016-05-17 |