Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136527 | Lubricant and method of preparing the same | Yujuan Zhang, Shengmao Zhang, Pingyu ZHANG | 2021-10-05 |
| 10907752 | Pipe body, pipe and method of making pipe | Yiqi Wang, Xinyu Zhuang, Shengli Zhang, Yong-Mei Pan, Feng-Hua Chen | 2021-02-02 |