Issued Patents 2024
Showing 1–3 of 3 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 |