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Jianhua Li

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  • Zhengzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Biomass burner
    • Patent number 11,852,334
    • Issue date Dec 26, 2023
    • CHINA NATIONAL TOBACCO CORPORATION HENAN PROVINCIAL COMPANY
    • Jian'an Wang
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Liquid distributing valve
    • Patent number 9,593,805
    • Issue date Mar 14, 2017
    • AUTOL TECHNOLOGY CO., LTD
    • Daping Zhao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    BIOMASS BURNER
    • Publication number 20220205632
    • Publication date Jun 30, 2022
    • China National Tobacco Corporation Henan Provincial Company
    • Jian'an WANG
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    LIQUID DISTRIBUTING VALVE
    • Publication number 20150233525
    • Publication date Aug 20, 2015
    • AUTOL TECHNOLOGY CO., LTD
    • Daping Zhao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...