Patents by Inventor Patricia B. Walters

Patricia B. Walters 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).

  • Moisture seal for aircraft windows
    Patent number: 4960631
    Abstract: A laminated transparency includes a flexible epoxy moisture seal about the periphery of the transparency. The edge of the transparency may be cleaned and primed with a silane surface treatment.
    Type: Grant
    Filed: December 30, 1988
    Date of Patent: October 2, 1990
    Assignee: PPG Industries, Inc.
    Inventors: Patricia B. Walters, David C. Allen
  • 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
  • Aircraft windshield
    Patent number: 4810583
    Abstract: An aircraft windshield having an outer glass ply and an inner antilacerative liner. The liner preferably includes a sheet of polyether urethane and polycaprolactone urethane. The polyether urethane is sandwiched between the glass ply and polycaprolactone urethane and the assembly is laminated to form the windshield.
    Type: Grant
    Filed: April 16, 1987
    Date of Patent: March 7, 1989
    Assignee: PPG Industries, Inc.
    Inventors: Theresa S. Brown, Connie J. Parvin, Patricia B. Walters, Wolfram F. Rothe, Radford French