The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2025
Filed:
Jan. 07, 2020
Applicant:
Illinois Tool Works Inc., Glenview, IL (US);
Inventors:
Quinn W. Schartner, Kaukauna, WI (US);
Bernard J. Vogel, Troy, OH (US);
Andrew D. Nelson, Grand Chute, WI (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 9/067 (2006.01); B23K 9/09 (2006.01); B23K 9/10 (2006.01); B23K 9/167 (2006.01);
U.S. Cl.
CPC ...
B23K 9/0677 (2013.01); B23K 9/067 (2013.01); B23K 9/09 (2013.01); B23K 9/092 (2013.01); B23K 9/1031 (2013.01); B23K 9/167 (2013.01);
Abstract
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.