QY

Qinghong Yan

📍 Dezhou, CN: #4 of 23 inventorsTop 20%
Overall (2022): #296,090 of 548,613Top 55%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11281243 Safety device for hydrodynamic pressure regulating pipe network Yonghua Zhang, Huiming Zhang, Hongbo Wang, Mei Li, Lianyong Wang +3 more 2022-03-22