DF

Ding Feng

YU Yangtze University: 1 patents #13 of 38Top 35%
📍 Jincheng, CN: #2 of 4 inventorsTop 50%
Overall (2022): #473,494 of 548,613Top 90%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11326400 Drillable adaptive turbine guide shoe Yu Zhao 2022-05-10