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Lei Ying

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  • Zhejiang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sliding door installation assembly
    • Patent number D968942
    • Issue date Nov 8, 2022
    • Ningbo Tengyu Metal Product Co., Ltd.
    • Lei Ying
    • D08 - Tools and hardware
  • Information Patent Grant

    Split iron frame door structure
    • Patent number 11,466,509
    • Issue date Oct 11, 2022
    • Ningbo Tengyu Metal Product Co., Ltd.
    • Peike Zhang
    • E04 - BUILDING
  • Information Patent Grant

    Pulley assembly for sliding door
    • Patent number D834924
    • Issue date Dec 4, 2018
    • NINGBO TENGYU METAL PRODUCT CO., LTD.
    • XueFeng Mei
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    SPLIT IRON FRAME DOOR STRUCTURE
    • Publication number 20220065030
    • Publication date Mar 3, 2022
    • Ningbo Tengyu Metal Product Co., Ltd.
    • Peike ZHANG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS