Patents by Inventor Howard K. Gregory

Howard K. Gregory 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).

  • Gas turbine engine architecture with nested concentric combustor
    Patent number: 11066989
    Abstract: A gas turbine engine includes an inner annular combustor radially inboard of an outer annular combustor. An outer variable turbine vane array is downstream of the outer annular combustor and an inner variable turbine vane array downstream of the inner annular combustor.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: July 20, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Daniel B. Kupratis, Howard K. Gregory
  • GAS TURBINE ENGINE ARCHITECTURE WITH NESTED CONCENTRIC COMBUSTOR
    Publication number: 20200025070
    Abstract: A gas turbine engine includes an inner annular combustor radially inboard of an outer annular combustor. An outer variable turbine vane array is downstream of the outer annular combustor and an inner variable turbine vane array downstream of the inner annular combustor.
    Type: Application
    Filed: April 17, 2019
    Publication date: January 23, 2020
    Inventors: Daniel B. Kupratis, Howard K. Gregory
  • Gas turbine engine architecture with nested concentric combustor
    Patent number: 10267229
    Abstract: A gas turbine engine includes an inner annular combustor radially inboard of an outer annular combustor. An outer variable turbine vane array is downstream of the outer annular combustor and an inner variable turbine vane array downstream of the inner annular combustor.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: April 23, 2019
    Assignee: United Technologies Corporation
    Inventors: Daniel B. Kupratis, Howard K. Gregory
  • GAS TURBINE ENGINE ARCHITECTURE WITH NESTED CONCENTRIC COMBUSTOR
    Publication number: 20160032830
    Abstract: A gas turbine engine includes an inner annular combustor radially inboard of an outer annular combustor. An outer variable turbine vane array is downstream of the outer annular combustor and an inner variable turbine vane array downstream of the inner annular combustor.
    Type: Application
    Filed: March 14, 2014
    Publication date: February 4, 2016
    Inventors: Daniel B. Kupratis, Howard K. Gregory