ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,805, issued on May 13, was assigned to VESTAS WIND SYSTEMS A/S (Aarhus N, Denmark).

"Yaw supervision" was invented by Keld Thomsen (Farup, Denmark), Claus T. S. Andreasen (Aarhus C, Denmark), Carsten Krogh Nielsen (Hammel, Denmark) and Sanath Kumar Sathish (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for monitoring yawing fault events of a yaw system of a wind turbine. The yaw system comprises one or more actuators for driving the yaw system and a holding system to resist yaw rotation. The yaw system is arranged to provide yaw rotation in response to a yaw control signal. According to the method, t...