Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822913 | Energy-gathered bundle type nesting plugging and wall reinforcing device and application thereof in karst cave plugging | Yiqun Zhang, Gensheng Li, Zhongwei Huang, Huaizhong Shi, Xianzhi Song +2 more | 2020-11-03 |
| 10224708 | Over-temperature protection system of a charging device | Xue-Feng Zhang, Hai Du, Dong Li, Jing Gu | 2019-03-05 |