Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473717 | Ultra-long thermally insulated pipeline and forming method thereof | Jianliang Duan, Jian Dong, Shujun Zhang, Fengshou Shangguan, Xiang Liu | 2022-10-18 |
| 11428055 | Multichannel composite coiled tubing | Jianliang Duan, Jian Dong, Shujun Zhang, Xiang Liu | 2022-08-30 |
| 11268165 | Homogenization process for coiled tubing | Jianliang Duan, Jian Dong, Shujun Zhang, Bin Zheng, Fengshou Shangguan +2 more | 2022-03-08 |
| 11220892 | Tubing for electric submersible pumps used in oil production | Jianliang Duan, Jian Dong, Shujun Zhang, Xiang Liu | 2022-01-11 |