ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,638, issued on Dec. 30, was assigned to SUBSEA 7 Ltd. (Sutton, Great Britain).

"Method of making a fluid conduit" was invented by Trevor West (Inverurie, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making a fluid conduit includes at least one tubular metal fitting in fluid communication with metal tubing. The conduit is apt to be incorporated into a subsea umbilical. The fitting is made by cold-forming a workpiece in a spinning operation. The workpiece material initially has a yield strength below that of the tubing material. The invention corrects or reduces this mismatch between the yield strength of the tubing materia...