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Haifeng REN

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Patents Grantslast 30 patents

  • Information Patent Grant

    Additive feeding device and washing machine
    • Patent number 12,180,639
    • Issue date Dec 31, 2024
    • Qingdao Haier Washing Machine Co., Ltd.
    • Tao Huang
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents

  • Information Patent Application

    EJECTOR, DISPENSING DEVICE AND LAUNDRY TREATMENT APPLIANCE
    • Publication number 20250116051
    • Publication date Apr 10, 2025
    • QINGDAO HAIER LAUNDRY ELECTRIC APPLIANCES CO., LTD.
    • Tao HUANG
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    ADDITIVE FEEDING DEVICE AND WASHING MACHINE
    • Publication number 20220275561
    • Publication date Sep 1, 2022
    • QINGDAO HAIER WASHING MACHINE CO., LTD.
    • Tao HUANG
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...