Patents by Inventor Walter Anthony Mitchell

Walter Anthony Mitchell 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).

  • METHODS AND APPARATUS FOR DETECTING CRACKS IN WELDS
    Publication number: 20080196504
    Abstract: A method of inspecting a portion of a weld between at least two materials includes mounting at least one ultrasonic phased array probe including at least one transducer having a plurality of elements within a housing containing a liquid therein, attaching the housing adjacent to an outer surface of the portion of the weld such that the liquid is adjacent to the outer surface of the portion of the weld, and scanning the weld with the at least one ultrasonic phased array probe.
    Type: Application
    Filed: December 31, 2003
    Publication date: August 21, 2008
    Inventors: Paul Johnson, David Galbally, Walter Anthony Mitchell, Trevor James Davis
  • Methods and apparatus for detecting cracks in welds
    Patent number: 7412890
    Abstract: A method of inspecting a portion of a weld between at least two materials includes mounting at least one ultrasonic phased array probe including at least one transducer having a plurality of elements within a housing containing a liquid therein, attaching the housing adjacent to an outer surface of the portion of the weld such that the liquid is adjacent to the outer surface of the portion of the weld, and scanning the weld with the at least one ultrasonic phased array probe.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: August 19, 2008
    Assignee: General Electric Company
    Inventors: Paul Johnson, David Galbally, Walter Anthony Mitchell, III, Trevor James Davis