ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,961, issued on Sept. 2, was assigned to Hubbell Inc. (Shelton, Conn.).
"Pipe fittings" was invented by David Scott Jordan (Tulsa, Okla.) and Donald Wayne Wartluft (Tulsa, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Stab-type pipe fittings capable of being inserted onto plastic pipes are provided. The pipe fittings have an outer casing with pipe ports, a hollow inner casing positioned within the outer casing, a pipe gripper and stiffener positioned within the inner casing. The pipe ports have an elongated lip that straightens a pipe inserted into the fitting. The stiffener provides a multi-compression seal to facilitate the leak proof connec...