Patents by Inventor Chun-Ming Wong

Chun-Ming Wong 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 anodizing aluminum
    Patent number: 4894127
    Abstract: A controlled method of anodizing aluminum comprises formation of an aqueous solution of sulfuric and boric acids, immersion of a workpiece in the solution maintained at about room temperature and controlled application of voltage to achieve a current density not greater than about 10 Amperes per square foot. Aluminum oxide coatings in the weight range of from about 200 to 600 milligrams per square foot applied in this manner have properties as good as or superior to coatings applied in traditional hexavalent chromium anodizing solutions.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: January 16, 1990
    Assignee: The Boeing Company
    Inventors: Chun-Ming Wong, Yukimori Moji
  • Method of making peelable non-metallic shims
    Patent number: 4526641
    Abstract: A laminate of a plurality of thermosetting resin films are joined together with a thermosetting resin to impart a peel strength between films of about 1 to 3 pounds per inch of width.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: July 2, 1985
    Assignee: The Boeing Company
    Inventors: Matthias P. Schriever, Chun-Ming Wong