Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11754535 | Ultrasonic in-situ automatic detection system for creep cracks on inner wall of hydrogen production furnace tube | Luowei Cao, Zhongtian Lyu, Cunfu He, Guorong Song, Zhiyuan Han | 2023-09-12 |
| 11603720 | Methods for tripping a drilling rig or a workover rig | Junqing Chai, Liangliang Liang, Aimin Tang, Zhenghua Wu | 2023-03-14 |