Patents by Inventor Michael R. Porter

Michael R. Porter 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).

  • Tube-welding auxiliary
    Patent number: 4521669
    Abstract: A welding device which provides a sort of a template function for guiding the electrode and tig torch of a gas tungsten arc welding procedure, the device providing a smooth and conical guide surface for the template-effect of an adjustable-radius guide surface, each circular portion of which is concentric about the axis (axes) of the tube(s) to be welded.
    Type: Grant
    Filed: March 9, 1983
    Date of Patent: June 4, 1985
    Inventors: Michael R. Porter, Ross W. Elliott