ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,902, issued on Oct. 7, was assigned to Linde GmbH (Pullach, Germany).

"Method and device for cooling of a superconducting cable and corresponding system" was invented by Alexander Alekseev (Wolfratshausen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for cooling a superconducting cable (1) using a coolant containing or consisting of liquid nitrogen, wherein at least a part of the coolant is subjected to a subcooling step and thereafter brought into thermal contact with the superconducting cable (1) in a cooling cycle, wherein said subcooling step is at least in part performed using a refrigerant provided in...