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Hongliang Xu

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust collecting box for a robotic vacuum cleaner
    • Patent number D1010957
    • Issue date Jan 9, 2024
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Dahong Gong
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Dust filter for cleaning robot
    • Patent number D1000737
    • Issue date Oct 3, 2023
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Dahong Gong
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Water tank for a cleaning robot
    • Patent number D1000741
    • Issue date Oct 3, 2023
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Dahong Gong
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Supporting plate for cleaning pad for robotic vacuum cleaner
    • Patent number D999470
    • Issue date Sep 19, 2023
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Dahong Gong
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Dust collecting box for a robotic vacuum cleaner
    • Patent number D998271
    • Issue date Sep 5, 2023
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Hongliang Xu
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Sweeping robot
    • Patent number D978464
    • Issue date Feb 14, 2023
    • Dahong Gong
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Mop head
    • Patent number D977771
    • Issue date Feb 7, 2023
    • Dahong Gong
    • D32 - Washing, cleaning, or drying machine

Patents Applicationslast 30 patents