US Patent Issued to Illinois Tool Works on Aug. 26 for "Systems, methods, and apparatus to preheat welding wire" (Wisconsin Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,365, issued on Aug. 26, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Systems, methods, and apparatus to preheat welding wire" was invented by Dennis Roland Sigl (Greenville, Wis.) and Jake Zwayer (Appleton, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example welding torch includes: a first contact tip configured to conduct welding current to a consumable electrode; a second contact tip configured to conduct preheating current to the consumable electrode; a cooling assembly configured to transfer heat from at least the first contact tip to coolant and to conduct the welding current through the cooling assembly; wherein the f...