Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11959015 | Double-response self-degradable temporary plugging agent and preparation method thereof | Xiaorong Yu, Huan Yang, Wei Wang | 2024-04-16 |
| 11891563 | pH-sensitive temporary plugging agent, preparation method thereof, and use thereof in exploitation of low-permeability oil reservoir | Huan Yang, Zhuyang Jiang, Xiaorong Yu, Gaoshen Su, Beibei Zhang +2 more | 2024-02-06 |
| 9464763 | Safety valve for cryogenic insulated gas cylinder | Weiguo Lu | 2016-10-11 |