HF

Haiping Feng

Overall (2022): #440,351 of 548,613Top 85%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11286411 Synergist for water-based drilling fluid and preparation method therefor, water-based drilling fluid and application thereof Xiaohu Quan, Yihu Wang, Jianmin Chen, Yu Cao, Weizhi You +4 more 2022-03-29