Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11408654 | Economizer and refrigeration system having the same | Haiping Ding | 2022-08-09 |
| 11365916 | Refrigeration system and throttle control method therefor | Shaojuan Si, Haiping Ding | 2022-06-21 |
| 11262007 | Flange connection assembly and the assembly / disassembly method thereof, piping connection device and chiller unit | Keli Dong | 2022-03-01 |