Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10641723 | Method and device for detecting damage rate of an inner coating of a downhole oil casing | Qiongwei Li, Bihai Cheng, Zewei Tang, Jianqiang Xue, Caili Fu +4 more | 2020-05-05 |