Patents by Inventor Donald S. Shih

Donald S. Shih 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).

  • Aluminum alloy with additions of magnesium and at least one of chromium, manganese and zirconium, and method of manufacturing the same
    Patent number: 11149332
    Abstract: An aluminum alloy including aluminum, about 6 to about 17.4 weight percent by weight magnesium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Grant
    Filed: April 15, 2017
    Date of Patent: October 19, 2021
    Assignees: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • Aluminum alloy with additions of magnesium, calcium and at least one of chromium, manganese and zirconium, and method of manufacturing the same
    Patent number: 11098391
    Abstract: An aluminum alloy including aluminum, about 2.5 to about 17.4 weight percent by weight magnesium, about 50 to about 3000 ppm calcium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Grant
    Filed: April 15, 2017
    Date of Patent: August 24, 2021
    Assignees: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • ALUMINUM ALLOY WITH ADDITIONS OF MAGNESIUM, CALCIUM AND AT LEAST ONE OF CHROMIUM, MANGANESE AND ZIRCONIUM, AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20180298473
    Abstract: An aluminum alloy including aluminum, about 2.5 to about 17.4 weight percent by weight magnesium, about 50 to about 3000 ppm calcium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Application
    Filed: April 15, 2017
    Publication date: October 18, 2018
    Applicants: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • ALUMINUM ALLOY WITH ADDITIONS OF MAGNESIUM AND AT LEAST ONE OF CHROMIUM, MANGANESE AND ZIRCONIUM, AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20180298478
    Abstract: An aluminum alloy including aluminum, about 6 to about 17.4 weight percent by weight magnesium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Application
    Filed: April 15, 2017
    Publication date: October 18, 2018
    Applicants: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • Gamma titanium aluminum alloys modified by chromium and tantalum and method of preparation
    Patent number: 5028491
    Abstract: A TiAl composition is prepared to have high strength, high oxidation resistance and to have acceptable ductility by altering the atomic ratio of the titanium and aluminum to have what has been found to be a highly desirable effective aluminum concentration by addition of chromium and tantalum according to the approximate formula Ti.sub.50-44 Al.sub.46-50 Cr.sub.2 Ta.sub.2-4.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: July 2, 1991
    Assignee: General Electric Company
    Inventors: Shyh-Chin Huang, Donald S. Shih