Patents by Inventor Alexander Edward Petkus

Alexander Edward Petkus 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).

  • Method for forming contoured composite laminates
    Patent number: 10974464
    Abstract: A composite prepreg laminate such as a hat type-stringer is formed on a contoured mandrel using a combination of mechanical sweeping and vacuum forming.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: April 13, 2021
    Assignee: The Boeing Company
    Inventors: Andrew Elmer Modin, Alexander Edward Petkus
  • Method for Forming Contoured Composite Laminates
    Publication number: 20180001578
    Abstract: A composite prepreg laminate such as a hat type-stringer is formed on a contoured mandrel using a combination of mechanical sweeping and vacuum forming.
    Type: Application
    Filed: September 15, 2017
    Publication date: January 4, 2018
    Inventors: Andrew Elmer Modin, Alexander Edward Petkus
  • Apparatus for forming contoured composite laminates
    Patent number: 9782937
    Abstract: A composite prepreg laminate such as a hat type-stringer is formed on a contoured mandrel using a combination of mechanical sweeping and vacuum forming.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: October 10, 2017
    Assignee: THE BOEING COMPANY
    Inventors: Andrew Elmer Modin, Alexander Edward Petkus