Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12196042 | Wear-resistant and collision-resistant polycrystalline diamond compact (PDC) drill bit with rostriform teeth and plurality of blades | Tiejun Lin, Hao Yu, Jianhua Guo, Jiachang Nie, Chengxiu Yu +7 more | 2025-01-14 |