Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11225837 | Dual-speed dual—core enhanced drilling equipment | Liexiang Han, Zuo Chen, Bin LIU, Xiaofeng YANG, Sheng-Kang Yu +10 more | 2022-01-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11225837 | Dual-speed dual—core enhanced drilling equipment | Liexiang Han, Zuo Chen, Bin LIU, Xiaofeng YANG, Sheng-Kang Yu +10 more | 2022-01-18 |