HL

Haiming Liao

SC Shanghai Roye Electric Co.: 4 patents #6 of 18Top 35%
Overall (2024): #52,364 of 561,600Top 10%
4
Patents 2024

Issued Patents 2024

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12181525 Field detection device, system and method for achieving no maintenance of gas density relay Min Chang, Haiyong Jin, Zhengcao Guo, Lele Wang, WEI-LUN ZENG 2024-12-31
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, Haiyong Jin +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, Haiyong Jin +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, Haisheng Jin, Enlin Wang 2024-05-21