Patents by Inventor William G. Rhoads

William G. Rhoads 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).

  • Autogenously welded metallic cellular structures and methods for forming such structures
    Patent number: 7824775
    Abstract: An autogenously welded structure is provided that includes a first face sheet, a plurality of individual stiffener elements, and a second face sheet. The stiffener elements each have a first edge disposed against the first face sheet and an opposed second edge. Each stiffener element has a central portion extending between the opposed edges. The central portion is disposed at an angle to the first face sheet. The stiffener elements include at least some stiffener elements that are disposed at an angle to at least some of the other stiffener elements. The second face sheet is disposed against the second edges of the stiffener elements and the first and second face sheets are autogenously welded to the edges of the stiffener elements.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: November 2, 2010
    Assignee: The Penn State Research Foundation
    Inventors: Stephen M. Copley, William G. Rhoads, Chris A. Sills, Eduard S. Ventsel
  • Autogenously welded metallic cellular structures and methods for forming such structures
    Publication number: 20090324987
    Abstract: An autogenously welded structure is provided that includes a first face sheet, a plurality of individual stiffener elements, and a second face sheet. The stiffener elements each have a first edge disposed against the first face sheet and an opposed second edge. Each stiffener element has a central portion extending between the opposed edges. The central portion is disposed at an angle to the first face sheet. The stiffener elements include at least some stiffener elements that are disposed at an angle to at least some of the other stiffener elements. The second face sheet is disposed against the second edges of the stiffener elements and the first and second face sheets are autogenously welded to the edges of the stiffener elements.
    Type: Application
    Filed: June 19, 2006
    Publication date: December 31, 2009
    Inventors: Stephen M. Copley, William G. Rhoads, Chris A. Sills, Eduard S. Ventsel