Patents by Inventor Alan K. Cheung

Alan K. Cheung 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).

  • Composite airfoil for an aircraft
    Patent number: 11724792
    Abstract: An airfoil body is provided for an aircraft which includes a first skin, a second skin, a plurality of first stiffeners and a plurality of second stiffeners. The first stiffeners are configured from or otherwise include first stiffener composite material. The first stiffeners extends widthwise between and are connected to the first skin and the second skin. Each of the first stiffeners has a first stiffener longitudinal centerline that extends spanwise along the first skin and the second skin. The second stiffeners are configured from or otherwise include second stiffener composite material. The second stiffeners extend widthwise between and are connected to the first skin and the second skin. Each of the second stiffeners has a second stiffener longitudinal centerline that extends lengthwise along the first skin and the second skin.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: August 15, 2023
    Assignee: Rohr, Inc.
    Inventors: Jennifer Davis, Alan K. Cheung, Paul Dsouza, Gerald S. Abille
  • COMPOSITE AIRFOIL FOR AN AIRCRAFT
    Publication number: 20230082202
    Abstract: An airfoil body is provided for an aircraft which includes a first skin, a second skin, a plurality of first stiffeners and a plurality of second stiffeners. The first stiffeners are configured from or otherwise include first stiffener composite material. The first stiffeners extends widthwise between and are connected to the first skin and the second skin. Each of the first stiffeners has a first stiffener longitudinal centerline that extends spanwise along the first skin and the second skin. The second stiffeners are configured from or otherwise include second stiffener composite material. The second stiffeners extend widthwise between and are connected to the first skin and the second skin. Each of the second stiffeners has a second stiffener longitudinal centerline that extends lengthwise along the first skin and the second skin.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 16, 2023
    Inventors: Jennifer Davis, Alan K. Cheung, Paul Dsouza, Gerald S. Abille