Patents by Inventor Matthew G. Johnson

Matthew G. Johnson 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).

  • Tongue joint including mating channel for cooling
    Patent number: 11933221
    Abstract: A gas turbine engine including a core having a compressor section fluidly connected to a combustor via a primary flowpath and a turbine section connected to the combustor via the core flow path. An assembly is disposed within the gas turbine engine and includes a first part connected to a second part via a radial stack joint. The first part includes a radially inward facing surface contacting a corresponding radially outward facing surface of the second part. A fastener protrudes through the first part and the second part and is configured to maintain the relative positions of the first part and the second part. A channel is disposed on at least one of the radially inward facing surfaces and is positioned between the fastener and a circumferential edge of the first part. The channel is connected to at least one cooling air source.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: March 19, 2024
    Assignee: RTX Corporation
    Inventors: Corey D. Anderson, Edward Boucher, Rebecca R. Dunnigan, Nicholas Broulidakis, Matthew Murakami, Daniel R. Brandt, Konrad Kuc, Victoria M. Imlach, Sushruth G. Kamath, Manuel A. Casares Rivas, Eric G. Leamon, Adam Castles, Edmond Cheung, Kyra A. Thole-Wilson, Javier Nebero Johnson
  • Audio/visual communications unit
    Patent number: D542305
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: May 8, 2007
    Assignee: Freeport Technologies, Inc.
    Inventors: Barry W. Thomas, Matthew G. Johnson
  • Mobile audiovisual unit
    Patent number: D482016
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: November 11, 2003
    Assignee: Freeport Technologies, Inc.
    Inventors: Mark B. Howe, John E. McGreevy, Matthew G. Johnson