Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187250 | Automatic cleaning device for suction port of electric submersible pump | Ruyi Gou, Weiyu Chen, Liqiang Zhao, Pingli Liu, Juan Du | 2021-11-30 |
| 11174425 | Carbonate reservoir filtration-loss self-reducing acid | Weiyu Chen, Liqiang Zhao, Juan Du, Pingli Liu, Nianyin Li +1 more | 2021-11-16 |