Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431312 | Operating mechanism of circuit breaker | Lijun YAN, Dengyu LU, Hao Fu | 2025-09-30 |
| 12431310 | Operating mechanism of circuit breaker and assembling breaker | Lijun YAN, Hao Fu, Yongfu XU | 2025-09-30 |
| 12412719 | Operating mechanism of circuit breaker, and circuit breaker | Hao Fu, Yongfu XU | 2025-09-09 |
| 12400815 | Moving contact mechanism | Lijun YAN | 2025-08-26 |
| 12308192 | Quick tripping device and circuit breaker | Hao Fu, Yongfu XU | 2025-05-20 |
| 11450494 | Handle of manual operation mechanism of circuit breaker | Xiaoqin YUAN, Jinhua Xiong | 2022-09-20 |
| 11011336 | Direct-acting electromagnetic trip device | Xiaoqin YUAN, Fang Tang | 2021-05-18 |
| 9991078 | Short-current protection action current adjusting method and device thereof and device for multi-pole electromagnetic release | Yongfu XU, Yuming Duan | 2018-06-05 |
| 8664550 | Multi-pole circuit breaker with auxiliary supporting pieces | Shangjing Wei | 2014-03-04 |