US Patent Issued to Illinois Tool Works on July 1 for "Welding type power supply for TIG starts" (Wisconsin, Ohio Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,822, issued on July 1, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Welding type power supply for TIG starts" was invented by Quinn W. Schartner (Kaukauna, Wis.), Bernard J. Vogel (Troy, Ohio) and Andrew D. Nelson (Grand Chute, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for TIG welding and starting a TIG welding process includes limiting the pulse width of a power circuit when a TIG start is being performed, and monitoring for the creation of a welding arc. After the welding arc has been detected the limiting of the pulse width is ended."

The patent was filed on Jan. 7, 2020, under Application No. 16/73...