Patents by Inventor Kevin Lee Leffel

Kevin Lee Leffel 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).

  • Skin for a deicer
    Patent number: 5845878
    Abstract: An aircraft deicing assembly 101 for attachment to an airfoil 99 includes a deflection shell 101 disposed over a deflection means 102. The deflection shell is comprised of a primary layer 116 comprised of a high strength fabric reinforced with a phenolic resin and a backing layer 115 comprised of a high strength fabric reinforced with an epoxy resin. The thickness of the backing layer is varied as a function of curvature of the airfoil and spanwise length of the airfoil.
    Type: Grant
    Filed: August 6, 1996
    Date of Patent: December 8, 1998
    Assignee: The BFGoodrich Company
    Inventors: Richard Lawrence Rauckhorst, III, Kevin Lee Leffel