Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10994228 | Reverse flow type multi-stage sedimentation rake-free thickening device | Chao Wang, Erning Zhao, Biao Hu, Chengliang Qiu, Xueqing Jiang +6 more | 2021-05-04 |
| 10947334 | Anionic thermoviscosifying water-soluble polymers, preparation method and application thereof | Yujun Feng | 2021-03-16 |