ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,990, issued on June 30.
"Pipe cutting device" was invented by Shih-Yang Chen (Changhua County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe cutting device includes a main body, two roller units, a sliding unit, a threaded rod unit, and a control unit. The main body is provided with a first receiving recess, a second receiving recess, and a first hollow slot. The roller units are pivotally mounted in the second receiving recess. The sliding unit is mounted in the first receiving recess and movable relative the roller units. The threaded rod unit includes a rotation member and a threaded rod. The control unit is assembled with the slid...