ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,892, issued on July 29, was assigned to OATEY Co. (Cleveland).

"Drain assemblies, and related kits and methods" was invented by Kai Zhang (Olmsted Falls, Ohio) and Christopher Dodd (Lakewood, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drain assembly includes a drain body, barrel, plug, and sleeve. The drain body has an interior surface defining a channel along an axis and having interior threads thereon. The barrel has a central body having an upper end, with a flange extending radially outward therefrom and defining a landing surface. The central body has opposed exterior and interior barrel surfaces having exterior and interior threads,...