Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11320185 | Defrosting control method for multi-split system | Baitian Zhuo, Bin Shi, Shaojiang Cheng, Ruigang Zhang | 2022-05-03 |
| 10057196 | Instant messaging interaction method, system, server, and storage medium | — | 2018-08-21 |