TREA

Shiyan GUAN

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  • Guangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchange device
    • Patent number 11,940,173
    • Issue date Mar 26, 2024
    • Panasonic Ecology Systems Guangdong Co., LTD.
    • Jun Zhang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Damper device and total heat exchanger including the same
    • Patent number 11,761,374
    • Issue date Sep 19, 2023
    • Panasonic Ecology Systems Guangdong Co., Ltd
    • Shiyan Guan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    DAMPER DEVICE AND TOTAL HEAT EXCHANGER INCLUDING THE SAME
    • Publication number 20220381179
    • Publication date Dec 1, 2022
    • PANASONIC ECOLOGY SYSTEMS GUANGDONG CO., LTD.
    • Shiyan GUAN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HEAT EXCHANGE DEVICE
    • Publication number 20220170664
    • Publication date Jun 2, 2022
    • PANASONIC ECOLOGY SYSTEMS GUANGDONG CO., LTD.
    • Jun ZHANG
    • F24 - HEATING RANGES VENTILATING