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Patents Grantslast 30 patents

  • Information Patent Grant

    Biomass pellet stove
    • Patent number 10,712,013
    • Issue date Jul 14, 2020
    • TANGCHENGXIAN HUALONG MACHINERY PLANT
    • Zhicun Zhang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heating stove
    • Patent number D835246
    • Issue date Dec 4, 2018
    • Tanchengxian Hualong MACHINERY PLANT Sole Proprietorship Enterprise
    • Zhicun Zhang
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

  • Information Patent Application

    BIOMASS PELLET STOVE
    • Publication number 20180340690
    • Publication date Nov 29, 2018
    • Tanchengxian Hualong MACHINERY PLANT Sole Proprietorship Enterprise
    • Zhicun ZHANG
    • F24 - HEATING RANGES VENTILATING