ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,199, issued on Dec. 2.

"Fluid purification systems and methods" was invented by Richard Nelson Wills Jr. (Cramerton, N.C.), Sahaj R. Patel (Charlotte, N.C.), Christopher M. Tress (Louisville, Ky.) and Jerry Loraine Dellinger (Cramerton, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Purification assemblies and methods of use. A method of using a purification assembly, the purification assembly having a housing having a first open end and an opposite second open end, the housing defining an interior volume, and a longitudinal axis extending between the first open end and the second open end. The method includes forming a ring of UV radiation sour...