Patents by Inventor Keng Lu

Keng Lu 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).

  • Shoe structure
    Publication number: 20060016098
    Abstract: A shoe structure is disclosed. The structure is characterized in that the lateral side of the shoe sole is provided with a through hole, and a bag body containing chemical solution and a metal plate or metallic powder, granules are positioned at the recess, the top portion of the shoe sole is a surface with a shoe pad with recesses or protrusions or granules.
    Type: Application
    Filed: July 22, 2004
    Publication date: January 26, 2006
    Inventors: Keng Lu, Hsao Chiu