US Patent Issued to CULLIGAN INTERNATIONAL on Sept. 8 for "Water filter cartridge and head having keyed engagement" (Illinois Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,373, issued on Sept. 8, was assigned to CULLIGAN INTERNATIONAL COMPANY (Rosemont, Ill.).

"Water filter cartridge and head having keyed engagement" was invented by Tedd Schneidewend (Glen Ellyn, Ill.), Christopher Harris (Wilmette, Ill.) and David West (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water filter assembly is provided, including a filter head including a filter manifold in fluid communication with an existing water line, a head housing connected to the manifold and including landings, an elongate key member depending from a portion of the filter head, and a filter cartridge including a filter housing constructed and arranged ...