Wenfeng Cheng

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Superconducting coil having spiral structure for current limiter
- Patent number 11,508,505
- Issue date Nov 22, 2022
- GUANGDONG POWER GRID CO., LTD.
- Li Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Superconducting tape testing device
- Patent number 11,293,942
- Issue date Apr 5, 2022
- GUANGDONG POWER GRID CO., LTD.
- Lianhong Zhong
- G01 - MEASURING TESTING
Information Patent Grant
Annular bearer network and service bearing implementation method th...
- Patent number 11,190,010
- Issue date Nov 30, 2021
- Guangdong Power Grid Co. Ltd.
- Lianhong Zhong
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SUPERCONDUCTING COIL HAVING SPIRAL STRUCTURE FOR CURRENT LIMITER
- Publication number 20210272730
- Publication date Sep 2, 2021
- GUANGDONG POWER GRID CO., LTD.
- Li Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUPERCONDUCTING TAPE TESTING DEVICE
- Publication number 20210270867
- Publication date Sep 2, 2021
- GUANGDONG POWER GRID CO., LTD.
- Lianhong Zhong
- G01 - MEASURING TESTING
Information Patent Application
ANNULAR BEARER NETWORK AND SERVICE BEARING IMPLEMENTATION METHOD TH...
- Publication number 20210273446
- Publication date Sep 2, 2021
- GUANGDONG POWER GRID CO., LTD.
- Lianhong Zhong
- H01 - BASIC ELECTRIC ELEMENTS