US Patent Issued to Illinois Tool Works on March 31 for "Orbital welding device with improved residual oxygen measurement" (German Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,453, issued on March 31, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Orbital welding device with improved residual oxygen measurement" was invented by Markus Tamm (Uberlingen, Germany) and Marcel Foh (Markdorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An orbital welding device (1), having a welding current source (10) in a welding current source housing (11) and an orbital welding head (20), which is separate from the welding current source housing (11) and is connected to the welding current source (10) by a cable (2), the orbital welding head (20) having a pipe mount (21) and a welding electrode holder (22) for holdi...