Patents by Inventor David Alan Stone

David Alan Stone 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).

  • Publication number: 20240109169
    Abstract: A system and method and fastening tool that utilizes ultrasonic or acoustic energy and a horn that focuses the energy into the fastener at a predetermined location in order to facilitate tightening or loosening the fastener.
    Type: Application
    Filed: December 5, 2023
    Publication date: April 4, 2024
    Applicant: NEXTGEN AEROSPACE TECHNOLOGIES, LLC
    Inventors: Gary Lee Ward, David Scott Diwinsky, David Joseph Stone, Marc Alan Metz, Tom Lawrence Clutter
  • Publication number: 20080260466
    Abstract: Apparatus for permitting access to the interior of a fluid-carrying pipe, the apparatus comprising a valve assembly adapted to permit a hole to be drilled in the wall of the pipe or an item to be introduced into or removed from the pipe by way of a pre-existing hole in the wall of the pipe without fluid escaping from the assembly and a member which has a first end connected to the valve assembly and a second end for engaging that part of the wall of the pipe lying opposite the valve assembly, the member being adapted to be lowered into the excavation and then engaged with the wall of the pipe in such a manner that the valve assembly can be clamped to the wall of the pipe.
    Type: Application
    Filed: April 17, 2008
    Publication date: October 23, 2008
    Inventor: David Alan Stone