Huijiu Wang

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Cixi Ningbo, Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Travel adapter with integrated plugs meeting different plug standards
- Patent number 10,686,285
- Issue date Jun 16, 2020
- GONGNIU GROUP CO., LTD.
- Yingfeng Cai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Three-dimensional convertor
- Patent number 10,601,192
- Issue date Mar 24, 2020
- GONGNIU GROUP CO., LTD.
- Jialu Zhang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ADAPTER AND RAIL SOCKET
- Publication number 20230163542
- Publication date May 25, 2023
- GONGNIU GROUP CO., LTD.
- Lihe ZHENG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ADAPTER
- Publication number 20230101661
- Publication date Mar 30, 2023
- GONGNIU GROUP CO., LTD.
- Bin YU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRAVEL ADAPTER
- Publication number 20180337501
- Publication date Nov 22, 2018
- GONGNIU GROUP CO., LTD.
- Yingfeng CAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THREE-DIMENSIONAL CONVERTOR
- Publication number 20180323558
- Publication date Nov 8, 2018
- GONGNIU GROUP CO., LTD.
- Jialu Zhang
- H01 - BASIC ELECTRIC ELEMENTS