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Jinpin Chen

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  • Xiamen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-voltage DC relay
    • Patent number 12,368,014
    • Issue date Jul 22, 2025
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming Zhong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High-voltage DC relay
    • Patent number 12,354,819
    • Issue date Jul 8, 2025
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming Zhong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High-voltage DC relay with auxiliary contact
    • Patent number 12,009,172
    • Issue date Jun 11, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming Zhong
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    RELAY
    • Publication number 20250095936
    • Publication date Mar 20, 2025
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240347303
    • Publication date Oct 17, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240347298
    • Publication date Oct 17, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240347300
    • Publication date Oct 17, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240347297
    • Publication date Oct 17, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HIGH-VOLTAGE DC RELAY
    • Publication number 20240297008
    • Publication date Sep 5, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming Zhong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HIGH-VOLTAGE DC RELAY
    • Publication number 20230178318
    • Publication date Jun 8, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming Zhong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HIGH-VOLTAGE DC RELAY WITH AUXILIARY CONTACT
    • Publication number 20230090245
    • Publication date Mar 23, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming Zhong
    • H01 - BASIC ELECTRIC ELEMENTS