Patents by Inventor LaVerne L. Waalkes

LaVerne L. Waalkes 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).

  • Wrought and cast aluminum alloy with improved resistance to mechanical property degradation
    Patent number: 9347558
    Abstract: Aluminum-based alloys for casting or wrought processing having improved combinations of properties, including improved high temperature strength, are provided. The alloys generally comprise copper, magnesium, silver, and titanium, along with scandium and/or cobalt. Zirconium, zinc, and/or vanadium may also optionally be present in the alloy. When cobalt is present in the alloy, nickel may also optionally be present. Cast and wrought products, as well as methods of making the same using the alloys, are also disclosed.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: May 24, 2016
    Assignee: Spirit AeroSystems, Inc.
    Inventors: Rahbar Nasserrafi, LaVerne L. Waalkes, Gerald E. Hicks, Kevin Obrachta, David E. Jakstis
  • WROUGHT AND CAST ALUMINUM ALLOY WITH IMPROVED RESISTANCE TO MECHANICAL PROPERTY DEGRADATION
    Publication number: 20120048390
    Abstract: Aluminum-based alloys for casting or wrought processing having improved combinations of properties, including improved high temperature strength, are provided. The alloys generally comprise copper, magnesium, silver, and titanium, along with scandium and/or cobalt. Zirconium, zinc, and/or vanadium may also optionally be present in the alloy. When cobalt is present in the alloy, nickel may also optionally be present. Cast and wrought products, as well as methods of making the same using the alloys, are also disclosed.
    Type: Application
    Filed: August 25, 2011
    Publication date: March 1, 2012
    Applicant: SPIRIT AEROSYSTEMS, INC.
    Inventors: Rahbar Nasserrafi, LaVerne L. Waalkes, Gerald E. Hicks, Kevin Obrachta, David E. Jakstis