Patents by Inventor Henry P. Vaughn

Henry P. Vaughn 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).

  • Radiographic inspection of tube welds in panel walls
    Patent number: 5187728
    Abstract: A method of inspecting tube welds in tubular membrane panel walls whereby a radiation source if placed intermediate adjacent tube welds with radiographic film positioned along the far wall of each adjacent tube thereby covering the far wall critical area of each tube weld. Simultaneously each radiographic film is exposed to an intermediate radiation source thereby creating an actual size image of each tube weld with both images totaling or equaling at least one full weld being radiographed per exposure.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: February 16, 1993
    Assignee: The Babcock & Wilcox Company
    Inventor: Henry P. Vaughn
  • Radiographic inspection of tube welds in panel walls
    Patent number: 4924481
    Abstract: A method of inspecting tube welds in tubular membrane panel walls whereby a radiation source if placed intermediate adjacent tube welds with radiographic film positioned along the far wall of each adjacent tube thereby covering the far wall critical area of each tube weld. Simultaneously each radiographic film is exposed to an intermediate radiation source thereby creating an actual size image of each tube weld with both images totaling or equaling at least one full weld being radiographed per exposure.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: May 8, 1990
    Assignee: The Babcock & Wilcox Company
    Inventor: Henry P. Vaughn