DD

Dan Duan

SI Sinopec Engineering Incorporation: 1 patents #1 of 17Top 6%
📍 Shangchuan, CN: #1 of 5 inventorsTop 20%
Overall (2024): #497,037 of 561,600Top 90%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11946002 Method and device for treating oil gas Mengqi Huang, Longhong Yu, Lei Wu, Shengyang Jiang, Yuwen Ding +2 more 2024-04-02