Patents by Inventor Glenn Vandergrift

Glenn Vandergrift 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).

  • Patent number: 10612236
    Abstract: A ceiling system for a clean room, a clean room ceiling and a method for constructing a ceiling for a clean room are provided. Inverted T-shaped beams support the ceiling from a building structure. A bracket attaches to a composite ceiling panel and engages a beam joint portion that extends in an upward direction from a beam leg. The beam joint portion and the composite periphery of the composite ceiling panel define a relief for solvent welding of a panel joint lower end of a composite ceiling panel to a beam joint lower end. A spring clip may resist vertical movement of the bracket with respect to the inverted T-shaped beam.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: April 7, 2020
    Assignee: AES Clean Technology, Inc.
    Inventors: Louis C. Satterfield, Robert G. Satterfield, Robert J. Bright, Richard Dobson, Glenn Vandergrift