Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337428 | Force modulation cartridge system for a drill bit | Chris Cheng, Qiang Fu, Jingcheng Zhang | 2025-06-24 |
| 12218610 | Sensor system with an interior sensor and a piezoelectric power supply | Jinjun Wang, Jayson Byrd, Chris Cheng, Xiongwen Yang, Qi Peng +3 more | 2025-02-04 |
| 11053743 | Polycrystalline diamond compact drill bit and oil well drilling apparatus having the same | Jianghe Luo, Runan Zhang, Lei Wen | 2021-07-06 |
| 10975628 | Drill bit nozzle and drill bit | Yuehua Xu, Jiaqing Yu, Jianghe Luo, Runan Zhang | 2021-04-13 |
| D875147 | Drill bit | Yuehua Xu, Jiaqing Yu, Jianghe Luo | 2020-02-11 |