ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,144, issued on Jan. 28, was assigned to Raytheon Co. (Arlington, Va.).

"Multi-port subsea high-voltage power modulation and stored energy distribution system" was invented by Stephen B. Kuznetsov (Marlborough, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes multiple electrical nodes connected in series to a primary power source via transmission lines. Each node includes a power converter that can receive first power from the primary power source or another upstream node. The power converter can change a voltage level and/or a frequency of the first power. Each node also includes a high-speed synchronous rotating machine (HSRM)...