ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,027, issued on July 14, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Multi-screw extruder for large format 3D printers" was invented by Malik M. Bukhari (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-screw extruder includes a drive mechanism operable to output a torque through a drive shaft, a plurality of extruder screws each operably coupled to the drive shaft to rotate in response to the torque, each of the extruder screws and including a shaft and a thread, an elongated barrel body defining a plurality of isolated screw compartments extending therethrough and each receiving one of the plurali...