Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11135893 | Transport refrigeration unit (TRU) direct current (DC) architecture | Ciara Poolman, Robert A. Chopko | 2021-10-05 |
| 11105545 | Purge system for chiller system | Zidu Ma, Warren Clough | 2021-08-31 |
| 11092566 | Leak detection unit for refrigerant system | Lei Chen, Zhiwei Yang, Warren Clough, Larry D. Burns | 2021-08-17 |