ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,175, issued on April 15, was assigned to Moxietec LLC (Grove City, Pa.).

"Shut-off nozzle for injection molding" was invented by Abolfazl Mohebbi (Mississauga, Canada), Donald Jordan (Townville, Pa.), Nathan David Albensi (Meadville, Pa.) and Robert Alan Sickles Jr. (Carlton, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a novel shut-off nozzle for use with an injection molding system for creating and injecting foaming polymers to form products and other components. The shut-off nozzle is designed to increase cell nucleation during the foaming process, increase the pressure drop rate as the polymer is injected into a mold, an...