ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,571, issued on May 19, was assigned to Baker Hughes Holdings LLC (Houston).

"Apparatus for fully automated X-ray tomography system performance validation according to standards for metrology and image quality testing" was invented by Thomas Mayer (Seesen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for calibrating or validating performance of a computed tomography (CT) scanner including a first element having a first diameter, a second element having a base structure and a first set of test objects that can be coupled to the base structure and separated from one another by a first set of distances. The apparatus also includes ...