ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,373, issued on March 25.

"Fluid system with integrated disinfecting optics" was invented by Stephen J. Sustrick (Montara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid disinfecting system includes a straight fluid directing conduit and a light source disposed on a side of the fluid directing conduit. The light source is operative to emit ultraviolet light into the fluid directing conduit, such that one or more cross sections of said fluid directing conduit are saturated with ultraviolet light. Any fluid passing through the fluid directing conduit is necessarily exposed to the ultraviolet light."

The patent was filed on March 30, 20...