Toothbrush head
    1.
    外观设计

    公开(公告)号:USD1031272S1

    公开(公告)日:2024-06-18

    申请号:US29921866

    申请日:2023-12-19

    申请人: Qi Wang

    设计人: Qi Wang

    摘要: FIG. 1 is a front, right and top perspective view of a toothbrush head, showing my design.
    FIG. 2 is a rear, left and bottom perspective view thereof.
    FIG. 3 is a front elevation view thereof.
    FIG. 4 is a rear elevation view thereof.
    FIG. 5 is a left side elevation view thereof.
    FIG. 6 is a right side elevation view thereof.
    FIG. 7 is a top plan view thereof; and,
    FIG. 8 is a bottom plan view thereof.
    The broken lines depict portions of the toothbrush head that form no part of the claimed design.

    Cup hook
    2.
    外观设计
    Cup hook 有权

    公开(公告)号:USD993753S1

    公开(公告)日:2023-08-01

    申请号:US29782155

    申请日:2021-05-04

    申请人: Qi Wang

    设计人: Chupeng Zhan

    摘要: FIG. 1 is a front perspective view of a cup hook showing my new design;
    FIG. 2 is a rear perspective view thereof;
    FIG. 3 is a front view thereof;
    FIG. 4 is a rear view thereof;
    FIG. 5 is a left side view thereof;
    FIG. 6 is a right side view thereof;
    FIG. 7 is a top view thereof;
    FIG. 8 is a bottom view thereof; and,
    FIG. 9 is a front view thereof, shown in an open position.
    The broken lines shown in the figures depict portions of the cup hook that form no part of the claimed design.

    Toy set
    3.
    外观设计
    Toy set 有权

    公开(公告)号:USD969227S1

    公开(公告)日:2022-11-08

    申请号:US29787372

    申请日:2021-06-06

    申请人: Qi Wang

    设计人: Qi Wang

    Preparation of purified collagen solution from porcine skin

    公开(公告)号:US11008379B1

    公开(公告)日:2021-05-18

    申请号:US16356094

    申请日:2019-03-18

    申请人: Qi Wang Dae Kyu Chang

    发明人: Qi Wang Dae Kyu Chang

    摘要: A method of preparing a purified collagen solution from porcine skin may include receiving and inspecting the porcine skin; treating the porcine skin with a sodium hydroxide treatment, resulting in a sodium hydroxide processed skin; treating the sodium hydroxide processed skin with an ethanol treatment, resulting in ethanol treated processed skin; producing liquid collagen from the ethanol treated processed skin; clarifying the liquid collagen; and concentrating the clarified liquid collagen.

    Water bottle
    6.
    外观设计

    公开(公告)号:USD879555S1

    公开(公告)日:2020-03-31

    申请号:US29668322

    申请日:2018-10-30

    申请人: Qi Wang

    设计人: Qi Wang