ShengQiang LI

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Balance spring assembly for disconnector
- Patent number 12,266,486
- Issue date Apr 1, 2025
- HITACHI ENERGY LTD
- JiaQuan Yan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flexible conductor for disconnector and the disconnector thereof
- Patent number 10,991,519
- Issue date Apr 27, 2021
- ABB Power Grids Switzerland AG
- JiaQuan Yan
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
BALANCE SPRING ASSEMBLY FOR DISCONNECTOR
- Publication number 20230154693
- Publication date May 18, 2023
- Hitachi Energy Switzerland AG
- JiaQuan Yan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLEXIBLE CONDUCTOR FOR DISCONNECTOR AND THE DISCONNECTOR THEREOF
- Publication number 20210050161
- Publication date Feb 18, 2021
- ABB Power Grids Switzerland AG
- JiaQuan YAN
- H01 - BASIC ELECTRIC ELEMENTS