Patents by Inventor Ou Y. Chiu

Ou Y. Chiu 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).

  • Method for manufacturing air-pervious insole
    Patent number: 4973376
    Abstract: A method for manufacturing an air-pervious insole being uneasily deformable is provided. The method includes (1) preparing from a foaming material an elastic base piece having through holes, (2) cutting from the base piece a layer of the foamed material to present a rough surface, (3) adhering a cloth layer on the rough surface, then (4) baking to soften the base piece, then (5) molding in a cooling mold, and finally cutting the cooled and molded piece to obtain an air-pervious insole.
    Type: Grant
    Filed: July 28, 1989
    Date of Patent: November 27, 1990
    Inventor: Ou Y. Chiu