TREA

Chenxi Song

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lawn mower
    • Patent number D1040864
    • Issue date Sep 3, 2024
    • WILLAND (BEIJING) TECHNOLOGY CO., LTD.
    • Zheng Jin
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Delivery robot
    • Patent number D1010701
    • Issue date Jan 9, 2024
    • Ninebot (Beijing) Tech. Co. Ltd.
    • Zheng Jin
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Delivery robot
    • Patent number D1004665
    • Issue date Nov 14, 2023
    • Zheng Jin
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Delivery robot
    • Patent number D978945
    • Issue date Feb 21, 2023
    • Zheng Jin
    • 015 - Brushing, scrubbing, and general cleaning