Patents by Inventor Donald John Sutkus, JR.

Donald John Sutkus, JR. 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).

  • Rapid tooling layup mandrel
    Patent number: 11801619
    Abstract: A layup mandrel including a rib structure comprising ribs defining a lofted surface; and a skin attached to and supported by the rib structure. The skin has a surface having a curvature of the lofted surface; the ribs are disposed to at least partially shape the curvature molding a part pressed against the surface during curing of the part; and the part comprises or consists essentially of a composite material.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: October 31, 2023
    Assignee: THE BOEING COMPANY
    Inventors: Brad Alf Hoff, Abraham L. Shryock, Donald John Sutkus, Jr.
  • RAPID TOOLING LAYUP MANDREL
    Publication number: 20230105890
    Abstract: A layup mandrel including a rib structure comprising ribs defining a lofted surface; and a skin attached to and supported by the rib structure. The skin has a surface having a curvature of the lofted surface; the ribs are disposed to at least partially shape the curvature molding a part pressed against the surface during curing of the part; and the part comprises or consists essentially of a composite material.
    Type: Application
    Filed: October 5, 2021
    Publication date: April 6, 2023
    Applicant: The Boeing Company
    Inventors: Brad Alf Hoff, Abraham L. Shryock, Donald John Sutkus, JR.
  • Method and apparatus for reducing ply wrinkling of composite laminates during forming
    Patent number: 10150233
    Abstract: Ply wrinkling during hot drape forming of a composite laminate is reduced at outside corner radii of a forming tool. First and second tensioning materials placed between a composite laminate charge and the forming tool maintain the laminate charge in tension at the radius corners as the charge is formed down over corner radii.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: December 11, 2018
    Assignee: The Boeing Company
    Inventors: William Thomas Kline, Christopher Gary Harris, Andrew M. Hopkins, Donald John Sutkus, Jr.
  • Method and Apparatus for Reducing Ply Wrinkling of Composite Laminates During Forming
    Publication number: 20150183171
    Abstract: Ply wrinkling during hot drape forming of a composite laminate is reduced at outside corner radii of a forming tool. First and second tensioning materials placed between a composite laminate charge and the forming tool maintain the laminate charge in tension at the radius corners as the charge is formed down over corner radii.
    Type: Application
    Filed: March 17, 2015
    Publication date: July 2, 2015
    Inventors: William Thomas Kline, Christopher Gary Harris, Andrew M. Hopkins, Donald John Sutkus, JR.