Patents by Inventor Mark David Kirkman

Mark David Kirkman 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).

  • Insulation piercing fastener
    Patent number: 6699062
    Abstract: Insulation-piercing fasteners are provided having a generally cylindrical shank, externally threaded along at least part of its length. The end portion of the shank is configure to engage an insulated electrical conductor and is formed with a hollowed end portion. The hollowed end portion has a generally cylindrical recess having a diameter less than the diameter of the shank. The wall of the hollowed end portion has at least one interruption. The width of the interruption is less than the maximum internal width of the hollowed end portion.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: March 2, 2004
    Assignee: Tyco Electronics UK Limited
    Inventors: Gary Barnett, Mark David Kirkman, David John Hollick