Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12140231 | Electronic expansion valve | Guigang Feng, Qiubo HE | 2024-11-12 |
| 12092381 | Electronic expansion valve and assembling method of electronic expansion valve | Zhiqiang DI, Guigang Feng | 2024-09-17 |
| 11953244 | Electronic expansion valve | Guigang Feng, Qiubo HE | 2024-04-09 |
| 11644118 | Electronic expansion valve | Yukuan SHAN, Qianyong Zhan | 2023-05-09 |
| 11473820 | Air conditioning system and electronic expansion valve thereof | Qiubo HE, Guigang Feng | 2022-10-18 |