ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,986, issued on Oct. 27, was assigned to The Boeing Co. (Arlington, Va.).

"Systems, methods, and apparatus for determining AC losses in superconductors" was invented by John Hull (Arlington, Va.) and Ning Zhang (Arlington, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for determining alternating current (AC) losses in a superconductor sample may comprise a sample holder configured to hold the superconductor sample and a frame configured to support the sample holder. The frame may include a pair of spaced apart parallel walls and may be configured to rotate about an axis of rotation. The apparatus may also comprise a rotor positioned...