ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,538, issued on July 7, was assigned to Perma-Liner Industries LLC (Clearwater, Fla.).

"Device and method for repairing pipe with a repair assembly having a lighting assembly" was invented by Chris Ras (Elk Grove Village, Ill.), Kevan Taylor (Clearwater, Fla.) and Saran Kumar Boyilla (Ottawa, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for repairing a pipeline. The apparatus includes a liner assembly made of resin absorbent material. The liner assembly is configured to be impregnated with a light-activated resin. The apparatus also includes a bladder assembly configured to expand to press the main liner member against th...