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Yonghua Ma

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  • Ningbo, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Core seat for a valve core and a valve core module
    • Patent number 12,098,773
    • Issue date Sep 24, 2024
    • Ningbo Wanhai Cartridge Technology Co., Ltd.
    • Yonghua Ma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Core Seat for a Valve Core and a Valve Core Module
    • Publication number 20240229943
    • Publication date Jul 11, 2024
    • Yonghua Ma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Valve Core and a Pull-out Faucet Thereof
    • Publication number 20240102562
    • Publication date Mar 28, 2024
    • Ningbo Wanhai Cartridge Technology Co., Ltd.
    • Yonghua Ma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...