ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,736, issued on Dec. 23, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Manual tube welding device" was invented by Matthew Meredith Noble (Gainesville, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for welding may include a track configured to surround a workpiece. The device for welding may also include a cart configured to contact the track such that the track guides the cart around the workpiece. The cart may include a frame and a welding torch receptacle. The welding torch receptacle can be attached to the frame. The welding torch receptacle may be configured to maintain a tip of the welding torch at a set distance away from t...