Patents by Inventor Yingwu Li

Yingwu Li has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230042096
    Abstract: The present disclosure is related to a waterproof pad and a waterproof structure for a cabinet under a sink. The waterproof pad includes a pad body and a waterproof fence, wherein the waterproof fence is arranged around an edge of the pad body, the pad body is further provided with a drainage hole, and the drainage hole is located close to the waterproof fence; and wherein the drainage hole is in a convex shape when receiving water, and the drainage hole is folded downward to be in a concave shape when draining water. When the drainage hole is in a convex shape, a periphery of the drainage hole is provided with a groove that is recessed and an up-down folding function is embodied through the groove. The drainage hole is hemispherical A height of the drainage hole is at least equal to a height of the waterproof fence.
    Type: Application
    Filed: July 12, 2022
    Publication date: February 9, 2023
    Inventors: SONGHUA LI, YINGWU LI
  • Patent number: 11559140
    Abstract: The present disclosure is related to a waterproof pad and a waterproof structure for a cabinet under a sink. The waterproof pad includes a pad body and a waterproof fence, wherein the waterproof fence is arranged around an edge of the pad body, the pad body is further provided with a drainage hole, and the drainage hole is located close to the waterproof fence; and wherein the drainage hole is in a convex shape when receiving water, and the drainage hole is folded downward to be in a concave shape when draining water. When the drainage hole is in a convex shape, a periphery of the drainage hole is provided with a groove that is recessed and an up-down folding function is embodied through the groove. The drainage hole is hemispherical A height of the drainage hole is at least equal to a height of the waterproof fence.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: January 24, 2023
    Assignee: SHENZHEN HENGZECHEN TECHNOLOGY CO., LTD
    Inventors: Songhua Li, Yingwu Li