Keqi CHEN

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Surge protector and base therof
- Patent number 10,593,501
- Issue date Mar 17, 2020
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Chunpo Zhai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surge protector, and release mechanism and base thereof
- Patent number 10,388,479
- Issue date Aug 20, 2019
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Chunpo Zhai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SURGE PROTECTION MODULE AND SURGE PROTECTION DEVICE
- Publication number 20240222962
- Publication date Jul 4, 2024
- Shanghai Chenzhu Instrument Co.,Ltd.
- Keqi Chen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LINKAGE MECHANISM, BASE, AND SURGE PROTECTION DEVICE
- Publication number 20240222966
- Publication date Jul 4, 2024
- Shanghai Chenzhu lnstrument Co.,Ltd
- Keqi Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURGE PROTECTOR AND BASE THEREOF
- Publication number 20190221394
- Publication date Jul 18, 2019
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Chunpo ZHAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURGE PROTECTOR, AND RELEASE MECHANISM AND BASE THEREOF
- Publication number 20180374666
- Publication date Dec 27, 2018
- SHANGHAI CHENZHU INSTRUMENT CO., LTD.
- Chunpo ZHAI
- H01 - BASIC ELECTRIC ELEMENTS