Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396680 | Steel for coiled tubing with low yield ratio and ultra-high strength and preparation method thereof | Chuanguo Zhang, Lei Zheng, Houjun Pang, Jian Liu, Yong Zhang +1 more | 2022-07-26 |
| 11053563 | X80 pipeline steel with good strain-aging performance, pipeline tube and method for producing same | Mingzhuo Bai, Lei Zheng, Guodong Xu, Kougen Wu, Haisheng Xu | 2021-07-06 |