Patents by Inventor Joseph T. Mueller

Joseph T. Mueller 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).

  • Aircraft windshield design and method of use
    Patent number: 4932608
    Abstract: An aircraft windshield having an outer glass ply spaced from an inner polycarbonate laminate. The space between the two structure is pressurized with gas at a level approximately one pound per square inch less than the aircraft cabin pressure.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: June 12, 1990
    Assignee: PPG Industries, Inc.
    Inventors: William E. Heidish, Joseph T. Mueller
  • Aircraft bilayer appendage
    Patent number: 4902879
    Abstract: A heated bilayer appendage is provided for mounting outboard of an existing non-heated aircraft window. The appendage prevents moisture or frost accumulation on the outboard surface of the appendage so that a clear viewing area is maintained through that portion of the windshield over which the appendage is mounted. The appendage may be provided with an anti-static coating to prevent static charge accumulation on the appendage.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: February 20, 1990
    Assignee: PPG Industries, Inc.
    Inventors: Patricia B. Walters, Connie J. Parvin, Gary M. Cribbs, Radford French, Joseph T. Mueller
  • Precipitative static drain strip system
    Patent number: 4831491
    Abstract: A device for dissipating static charge collected on the surface of an aircraft window having a plurality of electroconductive film elements on the outboard surface of the aircraft window. The elements are electrically interconnected and grounded such that charges accumulated by the film elements passed there along to the ground. An electrical window heating system may be incorporated into the plies of the window.
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: May 16, 1989
    Assignee: PPG Industries, Inc.
    Inventors: Joseph T. Mueller, William W. Hornsey