Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12136530 | Transformation method for gas density relay, and gas density relay having online self-check function and check method thereof | Tiexin Xia, Bing-Yu He, Min Chang, Zhengcao Guo, Haiming Liao +1 more | 2024-11-05 |
| 12038480 | Electrical system with on-line sampling verification function and verification method thereof | Tiexin Xia, Bing-Yu He, Min Chang, Zhengcao Guo, Haiming Liao +1 more | 2024-07-16 |
| 11988713 | Contact signal acquisition circuit for on-site on-line check of gas density relay | WEI-LUN ZENG, Min Chang, Xiaobeng Huang, Haiming Liao, Haisheng Jin | 2024-05-21 |