Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371608 | Suspended sand dragging fibers and preparation methods thereof | Jianchun Guo, Shan Ren, Bin Liu, Yuxuan Liu, Yang Lu +9 more | 2025-07-29 |
| 12227696 | Instant soluble temperature and salt resistant polyacrylamide and the preparation method and application thereof | Jianchun Guo, Shan Ren, Cong Lu, Bin Liu, Shaobin Zhang +5 more | 2025-02-18 |
| 11845896 | Structural stabilizer for fiber and conventional proppant complex in efficient proppant migration and placement technology of fractured well and preparation method | Jianchun Guo, Shan Ren, Hao Yang, Yingxian Ma, Kun Wang +11 more | 2023-12-19 |