WL

Wanjun Li

CL Cnpc Engineering Technology R&D Company Limited: 2 patents #29 of 150Top 20%
CP China National Petroleum: 1 patents #97 of 316Top 35%
Overall (All Time): #1,840,268 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11293254 Expansion tool assembly for expandable tubular Quanli Zhang, Binggui Xu, Depei Shi, Hongwei Yin, Huijuan Guo +12 more 2022-04-05
10858917 Expandable liner hanger Quanli Zhang, Hongwei Yin, Huijuan Guo, Guojun Liu, Binggui Xu +11 more 2020-12-08