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Hongjin Wu

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  • Shandong, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR CLEANING AIR CONDITIONER AND AIR CONDITIONER
    • Publication number 20220412592
    • Publication date Dec 29, 2022
    • QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
    • Yujun SONG
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Self-Cleaning Method for Air-Conditioner Heat Exchanger
    • Publication number 20180259216
    • Publication date Sep 13, 2018
    • QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
    • Mingjie Zhang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    METHOD FOR CLEANING AIR CONDITIONER INDOOR UNIT AND OUTDOOR UNIT
    • Publication number 20180259208
    • Publication date Sep 13, 2018
    • QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
    • Fei Wang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    AIR TREATMENT SYSTEM
    • Publication number 20170153040
    • Publication date Jun 1, 2017
    • QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
    • Youning Wang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    AIR TREATMENT SYSTEM
    • Publication number 20170138616
    • Publication date May 18, 2017
    • QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
    • Youning Wang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    AIR HANDLING SYSTEM
    • Publication number 20170138615
    • Publication date May 18, 2017
    • QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
    • Haishan LIANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HUMIDIFICATION DEVICE AND AIR TREATMENT SYSTEM
    • Publication number 20170138620
    • Publication date May 18, 2017
    • QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
    • Youning Wang
    • F24 - HEATING RANGES VENTILATING