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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    RELAY
    • Publication number 20240347299
    • Publication date Oct 17, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • 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 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 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
    • 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 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
  • Information Patent Application

    RELAY
    • Publication number 20240128038
    • Publication date Apr 18, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HIGH-VOLTAGE DIRECT-CURRENT MAGNETIC LATCHING RELAY WITH SENSITIVE...
    • Publication number 20240006139
    • Publication date Jan 4, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20230335360
    • Publication date Oct 19, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CONNECTING STRUCTURE BETWEEN LEAD-OUT PINS OF AUXILIARY STATIONARY...
    • Publication number 20230178319
    • 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
    • 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 DIRECT CURRENT RELAY CAPABLE OF IMPROVING INSULATION C...
    • Publication number 20230154695
    • Publication date May 18, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • 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
  • 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