Patents by Inventor David Richard Swenson

David Richard Swenson 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 and system for treating an interior surface of a workpiece using a charged particle beam
    Patent number: 7566888
    Abstract: A method and system of treating an interior surface on an internal cavity of a workpiece using a charged particle beam. A beam deflector surface of a beam deflector is placed within the internal cavity of the workpiece and is used to redirect the charged particle beam toward the interior surface to treat the interior surface.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: July 28, 2009
    Assignee: TEL Epion Inc.
    Inventor: David Richard Swenson
  • METHOD AND SYSTEM FOR TREATING AN INTERIOR SURFACE OF A WORKPIECE USING A CHARGED PARTICLE BEAM
    Publication number: 20080290298
    Abstract: A method and system of treating an interior surface on an internal cavity of a workpiece using a charged particle beam. A beam deflector surface of a beam deflector is placed within the internal cavity of the workpiece and is used to redirect the charged particle beam toward the interior surface to treat the interior surface.
    Type: Application
    Filed: May 23, 2007
    Publication date: November 27, 2008
    Applicant: TOKYO ELECTRON LIMITED
    Inventor: David Richard Swenson