ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,611, issued on July 8, was assigned to Cummins Filtration IP Inc. (Columbus, Ind.).
"Torsional no filter no run system" was invented by Ranjeet Roy (Pune, India), Ken Tofsland (Stoughton, Wis.), Loick Menez (Columbus, Ind.), Ismail C. Bagci (Cookeville, Tenn.) and Charles W. Hawkins (Sparta, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filtration system comprises a housing and a shell housing removably coupled to the housing. A valve comprise a valve housing and a plunger. The plunger comprises a seal member structured to seal an opening in the valve housing. The plunger is axially movable between a closed position, in which the seal member...