Patents by Inventor Weldon C. Graham

Weldon C. Graham 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: 4243868
    Abstract: Gas-shielded, arc welding apparatus for securing a tube to the sidewall of a pipe or the like and facilitating removal of the welding apparatus after completion of the weld includes a locating fixture adapted for clamping engagement with the pipe and for positioning a welding head with rotary guide means coaxially aligned with the tube, a welding torch assembly being supported for rotation upon the guide means and supplied with power during rotation for welding the tube to the pipe.
    Type: Grant
    Filed: May 2, 1979
    Date of Patent: January 6, 1981
    Assignee: General Atomic Company
    Inventor: Weldon C. Graham