ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,545, issued on Dec. 9, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Pipeline descaling tool" was invented by Fahmi Aulia (Udhailiyah, Saudi Arabia), Abdulrahman F. Almuaibid (Dhahran, Saudi Arabia) and Surajit Haldar (Udhailiyah, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pipeline descaling tool includes a milling tool, a roller assembly and a motor. The milling tool can rotate about a longitudinal axis of the assembly and is sized to fit within an inner volume defined by a pipeline. The milling tool can mill, by rotating, solid obstructions protruding from an inner surface of the pipeline into the inner volume. ...