ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,573, issued on Dec. 9, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).
"Welding apparatus and method" was invented by Hideshi Sakashita (Tokyo) and Tatsuya Hashimoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a welding apparatus and a method, including a welding torch, a wire nozzle, a support stand that supports the welding torch and the wire nozzle with a predetermined distance therebetween, and a first support mechanism that supports the support stand so that the support stand is rotatable around a first support axis that is along a direction in which the welding torch and the wire nozzle are arranged."
The paten...