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171 条记录 (耗时 0.024 秒)

    Gas cylinder hanger
    1.
    外观设计
    Gas cylinder hanger 有权

    公开(公告)号：USD1001626S1

    公开(公告)日：2023-10-17

    申请号：US29742323

    申请日：2020-08-27

    申请人： Lei Zhao

    设计人： Lei Zhao

    摘要： FIG. 1 is a perspective view of a gas cylinder hanger showing the front, top, and left side of my new design;
    FIG. 2 is a perspective view of a gas cylinder hanger showing the rear, bottom and right side thereof;
    FIG. 3 is a top plan view thereof;
    FIG. 4 is a bottom plan view thereof;
    FIG. 5 is a front elevation view thereof;
    FIG. 6 is a rear elevation view thereof;
    FIG. 7 is a right side elevation view thereof;
    FIG. 8 is a left side elevation view thereof; and,
    FIG. 9 is a perspective view thereof showing the locking lever in open position.

    Rock chair
    2.
    外观设计
    Rock chair 有权

    公开(公告)号：USD935206S1

    公开(公告)日：2021-11-09

    申请号：US29775118

    申请日：2021-03-22

    申请人： Lei Zhao

    设计人： Lei Zhao

    Illuminated Display Frame
    4.
    发明申请
    Illuminated Display Frame 审中-公开

    公开(公告)号：US20200349871A1

    公开(公告)日：2020-11-05

    申请号：US16401011

    申请日：2019-05-01

    申请人： Lei Zhao

    发明人： Lei Zhao

    IPC分类号： G09F13/04

    摘要： An illuminated display frame includes at least one horizontal supporting frame, wherein each of the horizontal supporting frames comprises a first receiving cavity; at least one transversal supporting frame connected with the horizontal supporting frames, wherein each of the transversal supporting frames comprises a second receiving cavity; at least one elongated connectors embedded inside the first receiving cavity to connect two adjacent horizontal supporting frames; at least one L-shaped connectors embedded inside the first receiving cavity and the second receiving cavity to connect the transversal supporting frame and the horizontal supporting frame; at least one electrical wire connected with the elongated connectors and the L-shaped connectors; and a plurality of illuminating devices arranged on the horizontal supporting frames and the transversal supporting frames, and electrically connected with the electrical wire.

    Wear-resistant and self-lubricant bore receptacle packoff tool
    10.
    发明授权
    Wear-resistant and self-lubricant bore receptacle packoff tool 有权

    公开(公告)号：US09840887B2

    公开(公告)日：2017-12-12

    申请号：US14710674

    申请日：2015-05-13

    申请人： Lei Zhao ,  Zhiyue Xu ,  Guijun Deng

    发明人： Lei Zhao ,  Zhiyue Xu ,  Guijun Deng

    IPC分类号： E21B33/12

    CPC分类号： E21B33/1212 ,  E21B33/1208

    摘要： A packoff assembly comprises: a tubing connectable mandrel; and at least one packoff element disposed on the mandrel; the packoff element comprising an annular seal comprising a carbon composite and having an inner surface and an opposing outer surface; the inner surface being in contact with a surface of the mandrel; a wear-resistant member at least partially encapsulating the seal; an annular guide member disposed on the mandrel; and a retainer member disposed between the guide member and the mandrel for securing the guide member to a predetermined position on the mandrel.