Patents by Inventor Nathan C. Crowell

Nathan C. Crowell 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).

  • Titanium aluminide material resistant to molten aluminum
    Publication number: 20020108679
    Abstract: A titanium aluminide alloy and tooling made therefrom for use in contact with molten aluminum and its alloys where the titanium aluminide alloy includes a rare earth element in an effective amount to prolong resistance to attack of the alloy and tooling by the molten aluminum and its alloys.
    Type: Application
    Filed: December 19, 2000
    Publication date: August 15, 2002
    Inventors: George D. Chandley, Raymond F. Ruffini, Nathan C. Crowell