Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10890052 | Downhole power generation device and separate-zone waterflooding device | Qinghai Yang, Dongbai Shan, Tao Li, Eryang Ming, Ming Li | 2021-01-12 |
| 9874089 | Bridge type concentric direct reading testing and commissioning instrument | He Liu, Fuchao Sun, Lichen Zheng, Qinghai Yang, Yang Gao | 2018-01-23 |
| 9828831 | Bridge type concentric continuously adjustable water distributor | He Liu, Fuchao Sun, Lichen Zheng, Qinghai Yang, Yang Gao | 2017-11-28 |