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Nanhai DAI

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  • Qingdao, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND DEVICE FOR CONTROLLING WATER HEATER, WATER HEATER
    • Publication number 20210404680
    • Publication date Dec 30, 2021
    • Qingdao Haigao Design & Manufacturing Co., Ltd.
    • Shu ZHOU
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    REFRIGERATOR
    • Publication number 20180187949
    • Publication date Jul 5, 2018
    • QINGDAO HAIGAO DESIGN & MANUFACTURING CO., LTD
    • Jian WU
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES