XY

Xuefeng Yan

CG China University Of Geosciences: 1 patents #6 of 21Top 30%
📍 Hubei, CN: #135 of 411 inventorsTop 35%
Overall (2022): #205,432 of 548,613Top 40%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11525320 Casing-protective horizontal directional drilling coaxial coring device for geological investigation Cong Zeng, Peng Zhang 2022-12-13