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Lei CHEN

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  • Huaian, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air pump
    • Patent number D1081724
    • Issue date Jul 1, 2025
    • Jiangsu Guorun Electric Co., Ltd.
    • Houxi Rao
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Waterproof air pump, inflatable product, and production method and...
    • Patent number 12,215,709
    • Issue date Feb 4, 2025
    • Jiangsu Guorun Electric Co., Ltd.
    • Houxi Rao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air pump
    • Patent number D1048106
    • Issue date Oct 22, 2024
    • Jiangsu Guorun Electric Co., Ltd.
    • Houxi Rao
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents