Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319789 | Rotary downhole cavitation generator | Weiyu Chen, Liqiang Zhao, Pingli Liu, Zhifeng Luo, Nanlin Zhang | 2022-05-03 |
| 11187250 | Automatic cleaning device for suction port of electric submersible pump | Weiyu Chen, Liqiang Zhao, Pingli Liu, Zhifeng Luo, Juan Du | 2021-11-30 |