Patents by Inventor Thomas H. North

Thomas H. North 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 electrode and method for reducing manganese in fume
    Patent number: 7091448
    Abstract: A cored electrode for arc welding, said electrode having a core in which the fill material includes a manganese-containing composite particle.
    Type: Grant
    Filed: July 6, 2004
    Date of Patent: August 15, 2006
    Assignees: Hobart Brothers Company, University of Toronto
    Inventors: Thomas H. North, Lowell E. Mott
  • Welding electrode and method for reducing manganese in fume
    Publication number: 20040232131
    Abstract: A cored electrode for arc welding, said electrode having a core in which the fill material incudes a manganese-containing composite particle.
    Type: Application
    Filed: July 6, 2004
    Publication date: November 25, 2004
    Inventors: Thomas H. North, Lowell W. Mott
  • Welding electrode and method for reducing manganese in fume
    Patent number: 6784401
    Abstract: A cored electrode for arc welding wherein the electrode has a core in which the fill material includes a manganese-containing composite particle. A method for arc welding comprises providing a cored electrode having a core of fill material including a composite particle containing manganese, and applying a voltage to the electrode upon contacting a work piece to cause the electrode to melt and form a weld metal bead.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: August 31, 2004
    Assignees: Illinois Tool Works Inc., University of Toronto
    Inventors: Thomas H. North, Lowell E. Mott
  • Welding electrode and method for reducing manganese in fume
    Publication number: 20020153364
    Abstract: A cored electrode for arc welding wherein the electrode has a core in which the fill material includes a manganese-containing composite particle. A method for arc welding comprises providing a cored electrode having a core of fill material including a composite particle containing manganese, and applying a voltage to the electrode upon contacting a work piece to cause the electrode to melt and form a weld metal bead.
    Type: Application
    Filed: January 30, 2001
    Publication date: October 24, 2002
    Inventors: Thomas H. North, Lowell W. Mott