ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,812, issued on Oct. 14, was assigned to PRINCE MOHAMMAD BIN FAHD UNIVERSITY (Dhahran, Saudi Arabia).
"Multi powder mixing 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 multi powder mixing system includes first, second and third wheels each having a first groove recessed below its top surface, with first, second and third hoppers positioned above the wheels. First, second and third conduits connect the hopper bottoms to the grooves, defining feeding paths. A mixer unit receives materials, connected to t...