ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,848, issued on July 15, was assigned to Vestas Wind Systems A/S (Aarhus N., Denmark).
"Wind turbine tower evacuation method and tool" was invented by Jonas Lerche Schomacker (Solrod Strand, Denmark), Torben Ladegaard Baun (Skodstrup, Denmark) and Niels Vinther Voigt (Aarhus N, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wind turbine tower evacuation tool is provided including an object end for attachment to an object or a person and a roller end configured for connection to a surface of a wind turbine tower by magnetic attraction. The roller end includes at least one magnet body arranged for rotation around a rotational axis of the roll...