Patents by Inventor Chad E. Heflin

Chad E. Heflin 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).

  • Self-locking rivet fastener
    Patent number: 6652206
    Abstract: A rivet-type fastener is disclosed, suitable for panel fasteners and other applications in which retention in a hole is required. The act of inserting the fastener expands fastener arms to secure the fastener in the hole, and positions locking protrusions of a post within notches of the arms, to lock the fastener within the hole. In some embodiments the fastener can be released, for removal and re-use.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: November 25, 2003
    Assignee: Illinois Tool Works Inc.
    Inventors: Chad E. Heflin, George Siragusa
  • SELF-LOCKING RIVET FASTENER
    Publication number: 20030156917
    Abstract: A rivet-type fastener is disclosed, suitable for panel fasteners and other applications in which retention in a hole is required. The act of inserting the fastener expands fastener arms to secure the fastener in the hole, and positions locking protrusions of a post within notches of the arms, to lock the fastener within the hole. In some embodiments the fastener can be released, for removal and re-use.
    Type: Application
    Filed: February 20, 2002
    Publication date: August 21, 2003
    Inventors: Chad E. Heflin, George Siragusa