TREA

Xin GUAN

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  • Tianjin, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refrigerator filter
    • Patent number D1083024
    • Issue date Jul 8, 2025
    • Tianjin Yuanzhi Environmental Technology Co. Ltd.
    • Kai Zhang
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Refrigerator filter
    • Patent number D1083025
    • Issue date Jul 8, 2025
    • Tianjin Yuanzhi Environmental Technology Co. Ltd.
    • Kai Zhang
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

  • Information Patent Application

    Dual-Ended Cartridge
    • Publication number 20250050248
    • Publication date Feb 13, 2025
    • Tianjin Yuanzhi Environmental Technology Co. Ltd.
    • Kai ZHANG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL