TREA

Qichang ZHENG

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  • Shaoyang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Noise reduction method of a ventilator
    • Patent number 11,493,051
    • Issue date Nov 8, 2022
    • Hunan VentMed Medical Technology Co., Ltd.
    • Zhe Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    NON-HYSTERETIC OXYGEN SUPPLY RESPIRATOR SYSTEM
    • Publication number 20220305230
    • Publication date Sep 29, 2022
    • Hunan VentMed Medical Technology Co., Ltd.
    • Zhe LIU
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FLEXIBLE PATCH FOR RESPIRATORY SOUND MONITORING
    • Publication number 20220142601
    • Publication date May 12, 2022
    • Hunan VentMed Medical Technology Co., Ltd.
    • Jinping SU
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NOISE REDUCTION METHOD OF A VENTILATOR
    • Publication number 20220120290
    • Publication date Apr 21, 2022
    • Hunan VentMed Medical Technology Co., Ltd.
    • Zhe LIU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...