Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12011773 | Cutting elements with reduced variable back rake angle | Chris Cheng, Ning Li, David He, Kevin Waddell, Xu Wang +2 more | 2024-06-18 |
| 11879296 | Blade cap force modulation system for a drill bit | Ming Zhang, Chris Cheng, Qi Peng, Xiaohua Ke | 2024-01-23 |