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:
Sep. 05, 2023
Filed:
Jul. 22, 2020
Applicant:
Illinois Tool Works Inc., Glenview, IL (US);
Inventor:
Michael V. Hoeger, Appleton, WI (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 9/10 (2006.01); B23K 9/173 (2006.01); B23K 9/167 (2006.01);
U.S. Cl.
CPC ...
B23K 9/1093 (2013.01); B23K 9/173 (2013.01); B23K 9/1675 (2013.01);
Abstract
An apparatus and system for preheating and removing surface oxidation of welding wire using electric arcs one via three or more tungsten electrodes connected to a polyphaser preheating power source is disclosed. Electric arc preheating of welding wire allows increased efficiency and deposition rates.