Patents by Inventor John C. Duong

John C. Duong 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).

  • Tangential blade root neck conic
    Patent number: 10982555
    Abstract: A root extending from a platform of an airfoil is disclosed. The root may include a first portion having a generally cylindrical shape, and a second portion extending from the first portion to the platform. The second portion may have a circumference larger than a circumference of the first portion.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: April 20, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Nicholas Aiello, John C. Duong
  • Tangential Blade Root Neck Conic
    Publication number: 20160076386
    Abstract: A root extending from a platform of an airfoil is disclosed. The root may include a first portion having a generally cylindrical shape, and a second portion extending from the first portion to the platform. The second portion may have a circumference larger than a circumference of the first portion.
    Type: Application
    Filed: February 27, 2014
    Publication date: March 17, 2016
    Inventors: Nicholas Aiello, John C. Duong