Patents by Inventor Yong B. Chong

Yong B. Chong 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 of forming air layer over immersed surfaces of structure having immersed portions, and structure of coat layer formed over immersed surfaces
    Patent number: 5476056
    Abstract: The present invention provides a method of reducing the fluid friction drag of ships and fluid transport channels and prevent contamination and corrosion of a structure having an immersed portion. The method of forming an air layer over an immersed surface of a structure having an immersed portion, comprising the steps of: covering the immersed surface of a structure (hull 1) having an immersed portion with a coating layer 3, which has depressions 6 and projections 7 at the surface thereof and which has at least vertices 7' of the projections 7 formed of a water-repellent material 8; and supplying air a to the surface 10 of the coating layer to form an air film 12 between the coating surface 10 and water 13.
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: December 19, 1995
    Assignee: Mitsui Engineering & Shipbuilding Co., Ltd
    Inventors: Junichiro Tokunaga, Makoto Kumada, Yoichi Sugiyama, Nobuatsu Watanabe, Yong B. Chong, Naoki Matsubara