TREA

Shuming ZHONG

Follow

Person

  • Xiamen, Fujian, CN
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTACT PART AND RELAY
    • Publication number 20240395488
    • Publication date Nov 28, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240387131
    • Publication date Nov 21, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CONTACT PIECE STRUCTURE AND MAGNETIC HOLDING RELAY
    • Publication number 20240387134
    • Publication date Nov 21, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Guojin LIAO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240387132
    • Publication date Nov 21, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CONTACT PIECE STRUCTURE AND MAGNETIC LATCHING RELAY
    • Publication number 20240387133
    • Publication date Nov 21, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240387136
    • Publication date Nov 21, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    FIXING FRAME AND MAGNETIC LATCHING RELAY
    • Publication number 20240387138
    • Publication date Nov 21, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang DAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240387135
    • Publication date Nov 21, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY
    • Publication number 20240387137
    • Publication date Nov 21, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Wenguang Dai
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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 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 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

    MULTI-PHASE ELECTROMAGNETIC RELAY
    • Publication number 20240282539
    • Publication date Aug 22, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SHORT CIRCUIT CURRENT-RESISTANT AND ARC-EXTINGUISHING DC RELAY
    • Publication number 20240177956
    • Publication date May 30, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MAGNETIC LATCHING RELAY HAVING MICROSWITCH
    • Publication number 20240128037
    • Publication date Apr 18, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HINGE TYPE BISTABLE MAGNETIC CIRCUIT STRUCTURE AND MAGNETIC LATCHIN...
    • Publication number 20240087827
    • Publication date Mar 14, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RELAY MOVABLE SPRING CAPABLE OF REDUCING TEMPERATURE RISE AND RELAY
    • Publication number 20240021392
    • Publication date Jan 18, 2024
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • 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

    HIGH-VOLTAGE DC RELAY WITH AUXILIARY CONTACT
    • Publication number 20230395347
    • Publication date Dec 7, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIRECT-CURRENT RELAY CAPABLE OF EXTINGUISHING ARC AND RESISTING SHO...
    • Publication number 20230260732
    • Publication date Aug 17, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIRECT-CURRENT RELAY HAVING A FUNCTION OF EXTINGUISHING ARC AND RES...
    • Publication number 20230260733
    • Publication date Aug 17, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIRECT-CURRENT RELAY CAPABLE OF EXTINGUISHING ARC AND RESISTING SHO...
    • Publication number 20230260734
    • Publication date Aug 17, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIRECT-CURRENT RELAY CAPABLE OF EXTINGUISHING ARC AND RESISTING SHO...
    • Publication number 20230260730
    • Publication date Aug 17, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIRECT-CURRENT RELAY HAVING A FUNCTION OF EXTINGUISHING ARC AND RES...
    • Publication number 20230260731
    • Publication date Aug 17, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • 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 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

    HIGH-VOLTAGE DC RELAY
    • Publication number 20230029524
    • Publication date Feb 2, 2023
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming Zhong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIRECT-CURRENT RELAY RESISTANT TO SHORT-CIRCUIT CURRENT
    • Publication number 20220013316
    • Publication date Jan 13, 2022
    • Xiamen Hongfa Electric Power Controls Co., Ltd.
    • Shuming ZHONG
    • H01 - BASIC ELECTRIC ELEMENTS