ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,201, issued on Oct. 21, was assigned to PRINCE MOHAMMAD BIN FAHD UNIVERSITY (Dhahran, Saudi Arabia).

"Enclosed multi-disk powder feed system" was invented by Mushtaq Khan (Dhahran, Saudi Arabia), Muhammad Asad (Dhahran, Saudi Arabia) and Muhammad Imran Khan (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A feeder system includes a donut-ring-shaped first wheel having a first groove recessed below its top surface, with a first hopper positioned above to receive material. A first conduit connects the hopper bottom to the groove, defining a feeding path. A mixer unit receives materials, connected to the first groove via a first su...