ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,563, issued on Oct. 21, was assigned to POSCO (Pohang-si, South Korea).
"Wire rod for welding rods and method for manufacturing same" was invented by Bong-Keun Lee (Pohang-si, South Korea) and Sung-Hoon Chung (Pohang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The purpose of the present invention is to provide, as a wire rod suitable for use as a substance for welding materials and, in particular, for welding rods, a wire rod for welding rods, having high tensile strength at room temperature and excellent drawing characteristics, and a manufacturing method therefor."
The patent was filed on Oct. 6, 2020, under Application No. 17/...