Patents by Inventor C. Ray Langdon

C. Ray Langdon 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-titanium-boron master alloy
    Patent number: 4298408
    Abstract: An aluminum-titanium-boron master alloy is provided that is characterized by an optimum promotion of fine grain together with sufficient ductility for it to be produced in the form of a wrought product, for example, continuous rod. The alloy of this invention preferably contains about 8 weight percent titanium, about 0.4 weight percent boron and the balance essentially aluminum and incidental impurities normally found in alloys of this class.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: November 3, 1981
    Assignee: Cabot Berylco Inc.
    Inventors: C. Ray Langdon, Alan R. Burkart