Patents by Inventor David Keith Wynn

David Keith Wynn 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).

  • Shell press and method for forming a shell
    Patent number: 7478550
    Abstract: The invention generally relates to an apparatus for forming a shell. The apparatus has a die center and a panel punch located in opposed relation to the die center. A panel punch piston is coupled to the panel punch. The panel punch piston has an upper end and a spacer member is disposed concentrically around an outside surface of the panel punch piston at or proximate to the upper end of the panel punch piston. The upper end of the spacer member is in contact with a lower end of the panel punch and the spacer member is located proximate to a peripheral surface of the lower end of the panel punch. A method for manufacturing a shell is additionally provided as well.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: January 20, 2009
    Assignee: Stolle Machinery Company, LLC
    Inventors: David Keith Wynn, Steven Todd Albright
  • Shell press and method for forming a shell
    Publication number: 20080173058
    Abstract: The invention generally relates to an apparatus for forming a shell. The apparatus has a die center and a panel punch located in opposed relation to the die center. A panel punch piston is coupled to the panel punch. The panel punch piston has an upper end and a spacer member is disposed concentrically around an outside surface of the panel punch piston at or proximate to the upper end of the panel punch piston. The upper end of the spacer member is in contact with a lower end of the panel punch and the spacer member is located proximate to a peripheral surface of the lower end of the panel punch. A method for manufacturing a shell is additionally provided as well.
    Type: Application
    Filed: January 19, 2007
    Publication date: July 24, 2008
    Inventors: David Keith Wynn, Steven Todd Albright