Patents by Inventor Richard Allen Lungard

Richard Allen Lungard 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).

  • Composition for making metal matrix composites
    Publication number: 20110135948
    Abstract: In one embodiment, a composition (10) to be mixed with a molten metal to make a metal matrix composite, the composition characterized by: a ceramic reinforcing filler (12), the ceramic reinforcing filler not being wettable by molten aluminum and/or not being chemically stable in molten aluminum, the ceramic reinforcing filler being coated with a ceramic material, the ceramic material being wettable by and chemically stable in molten aluminum. In a related embodiment, a composition (20) to make a porous preform to be infiltrated by molten metal to make a metal matrix composite, the composition characterized by: a ceramic reinforcing filler (23), the ceramic reinforcing filler not being wettable by molten aluminum, the ceramic reinforcing filler being coated with a ceramic material (22) and optionally with a metal (21) such as nickel, the ceramic material being wettable by molten aluminum.
    Type: Application
    Filed: April 8, 2004
    Publication date: June 9, 2011
    Inventors: Aleksander J. Pyzik, Ted A. Morgan, Terry I. Hu, Daniel R. Lister, Robert A. Newman, Richard Allen Lungard, Qin Deng