ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,448, issued on Oct. 20, was assigned to Parker-Hannifin Corp. (Cleveland).
"Filter element" was invented by Ralle Rookey (Suffield, Conn.), Justin R. Pribanic (Tolland, Conn.), Jonathan D. Moore (Ellington, Conn.), Kevin B. Downs (Coventry, Conn.), Wayne J. Dube (Woodstock Valley, Conn.) and Steven J. Merritt (Kearney, Neb.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid filter in the form of a filter element or a filter cartridge provides torsion locking relative to a filter head when the housing of such filter is threaded onto a filter head. Many embodiments employ a filter that includes a nipple portion at a top end with the torsion lock ...