ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,079, issued on Feb. 10, was assigned to Quantentech Ltd. (Grand Cayman, Cayman Islands).

"High efficiency high density motor and generator with multiple airgaps and interleaved magnetic structures" was invented by Hengchun Mao (Allen, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus has a stator having a first surface and a second surface, and a plurality of rotors magnetically coupled to the stator, with a first rotor facing the first surface of the stator through a first airgap and a second rotor facing the second surface of the stator through a second airgap. First slots, each containing first conductors and separated from each o...