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Liji SU

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  • Xiamen, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    RELAY
    • Publication number 20250095940
    • Publication date Mar 20, 2025
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20250095935
    • Publication date Mar 20, 2025
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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

    MAGNETIC CIRCUIT SYSTEM WITH ENHANCED INITIAL ELECTROMAGNETIC ATTRA...
    • Publication number 20250087438
    • Publication date Mar 13, 2025
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HIGH-VOLTAGE DIRECT CURRENT (DC) RELAY CAPABLE OF ENHANCING ARC EXT...
    • Publication number 20240379300
    • Publication date Nov 14, 2024
    • 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 20240347301
    • 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

    RELAY
    • Publication number 20240347302
    • Publication date Oct 17, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Meng WANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240312746
    • Publication date Sep 19, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MAGNETIC SHIELDING STRUCTURE FOR RELAY CONTACT AND RELAY
    • Publication number 20240312744
    • Publication date Sep 19, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HIGH-VOLTAGE DC RELAY WITH PERMANENT MAGNET ARC EXTINGUISHING FUNCTION
    • Publication number 20240145188
    • Publication date May 2, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS