Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12005495 | Steel ladle drainage method | Lei Cao, Yanjun Meng, Zhen Cao, Weiqing Huang, Yongliang Shi +4 more | 2024-06-11 |
| 9505048 | Pipe manufacturing method and hydroforming mold thereof | Yeong-Maw HWANG | 2016-11-29 |