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Hanqin Lin

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  • Xiamen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power system for roller apparatus and roller apparatus
    • Patent number 12,320,197
    • Issue date Jun 3, 2025
    • Xiamen Dongsheng Rong Technology Co., Ltd.
    • Junfeng Huang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Rolling curtain
    • Patent number 12,078,013
    • Issue date Sep 3, 2024
    • Xiamen dosron intelligent technology Co., Ltd
    • Junfeng Huang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    ROLLING CURTAIN
    • Publication number 20240279987
    • Publication date Aug 22, 2024
    • Xiamen dosron intelligent technology Co., Ltd
    • Junfeng Huang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS