Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11619131 | Six-arm tunneling and anchoring machine for integrating tunneling and anchoring | Changyan Pu, Limin Wu, Qi Liu, Zhiguo Jing, Zhonghua Ren +1 more | 2023-04-04 |
| 11208888 | Process and device for supporting anchor bolt and anchor cable on successive mining working face | Changyan Pu, Mingpu Wang, Limin Wu, Fang Liu, Peng Wang +4 more | 2021-12-28 |