ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,104, issued on June 23, was assigned to Hubbell Inc. (Shelton, Conn.).
"Chamfer ring for pipe coupling" was invented by Brian Anthony McKaskle (Tulsa, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe coupling includes an insertion sleeve with a body that has an outer surface and an opening that passes through the body. The body includes a cylindrical first section disposed between a second section and a third section. The first section has a maximum outer diameter of the body. The second section has a varying diameter along its length. The third section has a varying diameter along its length. The opening includes a first region with a co...