Patents by Inventor George M. Schweikhardt

George M. Schweikhardt 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).

  • Welding arc gap ionization device
    Patent number: 3958096
    Abstract: An alpha emitting isotope is positioned near the tip of a TIG welding electrode so that the alpha radiation can provide an ionized path between the electrode and the workpiece.
    Type: Grant
    Filed: December 23, 1974
    Date of Patent: May 18, 1976
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventor: George M. Schweikhardt