Shengsheng SHI

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Xiamen, Fujian, CN

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Patents Grantslast 30 patents

Information Patent Grant
DC contactor with dual micro switches
- Patent number 11,164,711
- Issue date Nov 2, 2021
- Xiamen Hongfa Electric Power Controls Co., Ltd.
- Songsheng Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-voltage direct-current relay and assembly method therefor
- Patent number 10,854,410
- Issue date Dec 1, 2020
- Xiamen Hongfa Electric Power Controls Co., Ltd.
- Shengsheng Shi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Framework of relay and relay
- Patent number 10,068,731
- Issue date Sep 4, 2018
- Xiamen Hongfa Electric Power Controls Co., Ltd.
- Shuming Zhong
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DC CONTACTOR WITH DUAL MICRO SWITCHES
- Publication number 20200035432
- Publication date Jan 30, 2020
- Xiamen Hongfa Electric Power Controls Co., Ltd,
- Songsheng CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH-VOLTAGE DIRECT-CURRENT RELAY AND ASSEMBLY METHOD THEREFOR
- Publication number 20190006140
- Publication date Jan 3, 2019
- Xiamen Hongfa Electric Power Controls Co., Ltd.
- Shengsheng SHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FRAMEWORK OF RELAY AND RELAY
- Publication number 20160133404
- Publication date May 12, 2016
- Xiamen Hongfa Electric Power Controls Co., Ltd.
- Shuming ZHONG
- H01 - BASIC ELECTRIC ELEMENTS