Patents by Inventor Douglas Steven Sculthorpe

Douglas Steven Sculthorpe 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).

  • Perforation system and method
    Patent number: 10556358
    Abstract: A perforation system and method of perforating a flexible work piece. The perforation system includes a punch tool having at least one punch head defining a vertical axis. The punch head has a first shape. A die is positioned along the vertical axis and includes an ejection port having a second shape. The first shape overlaps the second shape to provide for punch-to-die contact that results in a clean cut along a perimeter of the second shape.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: February 11, 2020
    Assignee: Eagle Ottawa North America, LLC
    Inventors: Scott Alan Boerman, Douglas Steven Sculthorpe
  • Perforation System and Method
    Publication number: 20160129605
    Abstract: A perforation system and method of perforating a flexible work piece. The perforation system includes a punch tool having at least one punch head defining a vertical axis. The punch head has a first shape. A die is positioned along the vertical axis and includes an ejection port having a second shape. The first shape overlaps the second shape to provide for punch-to-die contact that results in a clean cut along a perimeter of the second shape.
    Type: Application
    Filed: October 28, 2015
    Publication date: May 12, 2016
    Inventors: Scott Alan Boerman, Douglas Steven Sculthorpe