DY

Dekai Yang

CC China Petroleum & Chemical: 1 patents #836 of 1,719Top 50%
SC Sinopec Petroleum Engineering Technology Research Institute Co.: 1 patents #11 of 28Top 40%
Overall (All Time): #2,490,268 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11952860 Staged cementing device and staged cementing method Jinli Qin, Yang Liu, Wujun Chen, Ben Liu, Zhaohui Guo +4 more 2024-04-09