Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441981 | Testing device and testing method for adhesive strength of inner hole coating | Guozheng Ma, Haidou Wang, Pengfei He, Xianyong Zhu, Ming Liu +4 more | 2022-09-13 |
| 11293086 | Connecting device and internal plasma spraying system | Guozheng Ma, Haidou Wang, Pengfei He, Shuying Chen, Ming Liu +4 more | 2022-04-05 |