GF

Guigang Feng

ZC Zhejiang Dunan Artificial Environment Co.: 4 patents #5 of 56Top 9%
📍 Shaoxing, CN: #27 of 235 inventorsTop 15%
Overall (All Time): #1,105,150 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12140231 Electronic expansion valve Shaojun ZHAN, Qiubo HE 2024-11-12
12092381 Electronic expansion valve and assembling method of electronic expansion valve Shaojun ZHAN, Zhiqiang DI 2024-09-17
11953244 Electronic expansion valve Shaojun ZHAN, Qiubo HE 2024-04-09
11473820 Air conditioning system and electronic expansion valve thereof Shaojun ZHAN, Qiubo HE 2022-10-18