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Chang Mi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Universal wheel assembly and smart cleaning device having same
    • Patent number 12,090,785
    • Issue date Sep 17, 2024
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Guang Yu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Intelligent cleaning device
    • Patent number 12,048,412
    • Issue date Jul 30, 2024
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Chang Mi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Moisture-proof mat and intelligent cleaning system
    • Patent number 11,659,972
    • Issue date May 30, 2023
    • SHENZHEN ROCK TIMES TECHNOLOGY CO., LTD.
    • Chang Mi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Brush
    • Patent number D944479
    • Issue date Feb 22, 2022
    • BEIJING ROBOROCK TECHNOLOGY CO., LTD.
    • Chang Mi
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Cleaning robot
    • Patent number D919210
    • Issue date May 11, 2021
    • Beijing Rockrobo Technology Co., Ltd
    • Chang Mi
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Base station
    • Patent number D867987
    • Issue date Nov 26, 2019
    • Beijing Rockrobo Technology Co., Ltd
    • Chang Mi
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Cleaning pad
    • Patent number D868407
    • Issue date Nov 26, 2019
    • Beijing Rockrobo Technology Co., Ltd
    • Chang Mi
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Tank
    • Patent number D868408
    • Issue date Nov 26, 2019
    • Beijing Rockrobo Technology Co., Ltd
    • Chang Mi
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Cleaning robot
    • Patent number D867701
    • Issue date Nov 19, 2019
    • Beijing Rockrobo Technology Co., Ltd
    • Chang Mi
    • D32 - Washing, cleaning, or drying machine

Patents Applicationslast 30 patents

  • Information Patent Application

    INTELLIGENT CLEANING DEVICE
    • Publication number 20240341551
    • Publication date Oct 17, 2024
    • Beijing Roborock Technology Co., Ltd.
    • Chang Mi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    INTELLIGENT CLEANING DEVICE
    • Publication number 20210315431
    • Publication date Oct 14, 2021
    • Beijing Roborock Technology Co., Ltd.
    • Chang Mi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Universal Wheel Assembly and Smart Cleaning Device Having Same
    • Publication number 20210276365
    • Publication date Sep 9, 2021
    • Beijing Roborock Technology Co., Ltd.
    • Guang Yu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SIDE BRUSH AND INTELLIGENT CLEANING DEVICE
    • Publication number 20210228048
    • Publication date Jul 29, 2021
    • Beijing Roborock Technology Co., Ltd.
    • Chang Mi
    • A46 - BRUSHWARE
  • Information Patent Application

    MOISTURE-PROOF MAT AND INTELLIGENT CLEANING SYSTEM
    • Publication number 20210106202
    • Publication date Apr 15, 2021
    • SHENZHEN ROCK TIMES TECHNOLOGY CO., LTD.
    • Chang MI
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...