WL

Wanjun Li

CL Cnpc Engineering Technology R&D Company Limited: 1 patents #8 of 47Top 20%
Overall (2020): #229,835 of 565,922Top 45%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10858917 Expandable liner hanger Quanli Zhang, Hongwei Yin, Huijuan Guo, Guojun Liu, Binggui Xu +11 more 2020-12-08