Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9581719 | Apparatus and method for oil-based mud formation imaging using resonators | Yue Liu, Qingjie Bai, Qihui Zhao, Tao Huang, Zhong Wang +2 more | 2017-02-28 |
| 9447641 | Rotary steerable drilling tool with a linear motor | Naizhen Liu, Qihui Zhao, Yonghe Li, Rui Bai, Jing Li +1 more | 2016-09-20 |