Patents by Inventor Philip L. Threadgill

Philip L. Threadgill 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).

  • Friction plunge riveting process
    Publication number: 20040232209
    Abstract: A method of joining a pair of metal components with a rivet having a hardness that is substantially similar to at least one of the metal components. The metal components are stack upon each other and the rivet is rotated and simultaneously plunged in the metal components under pressure to friction weld and metallurgically bond the rivet to the metal components.
    Type: Application
    Filed: March 3, 2004
    Publication date: November 25, 2004
    Inventors: Israel Stol, Wayne M. Thomas, Philip L. Threadgill
  • Friction plunge riveting
    Patent number: 6769595
    Abstract: A method of joining a pair of metal components with a rivet having a hardness that is substantially similar to at least one of the metal components. The metal components are stack upon each other and the rivet is rotated and simultaneously plunged in the metal components under pressure to friction weld and metallurgically bond the rivet to the metal components.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: August 3, 2004
    Assignee: Alcoa Inc.
    Inventors: Israel Stol, Wayne M. Thomas, Philip L. Threadgill
  • Friction plunge riveting
    Publication number: 20020125297
    Abstract: A method of joining a pair of metal components with a rivet having a hardness that is substantially similar to at least one of the metal components. The metal components are stack upon each other and the rivet is rotated and simultaneously plunged in the metal components under pressure to friction weld and metallurgically bond the rivet to the metal components.
    Type: Application
    Filed: December 19, 2001
    Publication date: September 12, 2002
    Inventors: Israel Stol, Wayne M. Thomas, Philip L. Threadgill