ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,491, issued on Aug. 19, was assigned to PRINCE MOHAMMAD BIN FAHD UNIVERSITY (Dhahran, Saudi Arabia).

"Method and apparatis for transport of fine solids including powders" 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 method and system for transporting and delivering fine solids in the form of powders includes a wheel-based coax control systems with individually controlled and motored wheels functioning to feed the solids. The apparatus includes a first wheel having a groove that permits powder flow. A hopper p...