Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11195641 | Electric-submersible-pump composite duct cable and manufacturing method thereof | Jian Dong | 2021-12-07 |
| 10948121 | Super-long thermal insulation steel jacket pipe and machining process thereof | Shujun Zhang, Bin Zheng, Jian Dong, Yueqing Lin, Xiang Liu +1 more | 2021-03-16 |