Patents by Inventor Ian Stuart Maxwell

Ian Stuart Maxwell 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).

  • Electric arc fusion welding apparatus
    Patent number: 3932728
    Abstract: A TIG welding arrangement utilizing a high frequency arc starting arrangement with a fuse protected secondary arc gap operable to protect the welding apparatus.
    Type: Grant
    Filed: September 5, 1974
    Date of Patent: January 13, 1976
    Assignee: Babcock & Wilcox, Limited
    Inventor: Ian Stuart Maxwell