US Patent Issued to LPS IP on March 11 for "Pipeline system of pipe sections with pre-assembled insulating weld backing rings and method of making same" (Brazilian Inventor)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,400, issued on March 11, was assigned to LPS IP LLC (Rancho Cucamonga, Calif.).

"Pipeline system of pipe sections with pre-assembled insulating weld backing rings and method of making same" was invented by Jose Anisio de Oliveira E Silva (Belo Horizonte-MG, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pre-assembled insulated weld backing ring for a tubular section of the pipeline. The weld backing ring includes a metal cylinder and an insulation layer. The metal cylinder has a ring-shaped anterior portion and a ring-shaped raised posterior portion with a step therebetween. The posterior portion has a larger diameter than the anterior por...