TREA

Chenhan Ouyang

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  • Anqing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multifunctional double drinking cup cover
    • Patent number 12,338,038
    • Issue date Jun 24, 2025
    • ZHEJIANG FEIJIAN TECHNOLOGY CO., LTD.
    • Feijian Xia
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Coffee cup
    • Patent number D1078391
    • Issue date Jun 10, 2025
    • Feijian Xia
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Bottle lid
    • Patent number D1015873
    • Issue date Feb 27, 2024
    • ZHEJIANG FEIJIAN TECHNOLOGY CO., LTD.
    • Feijian Xia
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Water bottle
    • Patent number D1015883
    • Issue date Feb 27, 2024
    • ZHEJIANG FEIJIAN TECHNOLOGY CO., LTD.
    • Feijian Xia
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Drinking bottle lid
    • Patent number D966790
    • Issue date Oct 18, 2022
    • ZHEJIANG FEIJIAN TECHNOLOGY CO., LTD.
    • Feijian Xia
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Water bottle
    • Patent number D949628
    • Issue date Apr 26, 2022
    • ZHEJIANG FEIJIAN TECHNOLOGY CO., LTD.
    • Feijian Xia
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Water bottle
    • Patent number D949629
    • Issue date Apr 26, 2022
    • ZHEJIANG FEIJIAN TECHNOLOGY CO., LTD.
    • Feijian Xia
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Bottle lid
    • Patent number D908487
    • Issue date Jan 26, 2021
    • ZHEJIANG FEIJIAN TECHNOLOGY CO., LTD.
    • Feijian Xia
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Bottle lid
    • Patent number D908423
    • Issue date Jan 26, 2021
    • ZHEJIANG FEIJIAN TECHNOLOGY CO., LTD.
    • Feijian Xia
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified