Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530753 | Double-valve continuous circulating valve with a clamping device | Huohai Yang, Xuanyu Liu, Binghong Xie, Jie Yue, Xing Liu | 2022-12-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530753 | Double-valve continuous circulating valve with a clamping device | Huohai Yang, Xuanyu Liu, Binghong Xie, Jie Yue, Xing Liu | 2022-12-20 |