Patents by Inventor Rick D. Rishel

Rick D. Rishel 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).

  • Patent number: 7194908
    Abstract: An ultrasonic testing assembly structured to examine a test object, wherein the test object has a surface, and the examination examines the structure of the test object under the surface as well as the profile of the surface.
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: March 27, 2007
    Assignee: Westinghouse Electric Co. LLC
    Inventors: Thomas W. Nenno, Patrick M. Minogue, Rick D. Rishel
  • Patent number: 4854173
    Abstract: Ultrasonic test methods are used to measure the depth of intergranular attack (IGA) in a stainless steel specimen. The ultrasonic test methods include a pitch-catch surface wave technique and a through-wall pulse-echo technique. When used in combination, these techniques can establish the extent of IGA on both the front and back surfaces of a stainless steel specimen from measurements made on only one surface.
    Type: Grant
    Filed: March 2, 1988
    Date of Patent: August 8, 1989
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Gerry Mott, Mustan Attaar, Rick D. Rishel