ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,613, issued on May 20, was assigned to ITREC B.V. (Schiedam, Netherlands).
"Method and blade installation device for installing a blade of an offshore wind turbine" was invented by Diederick Bernardus Wijning (Schiedam, Netherlands) and David Roodenburg (Schiedam, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for installing a blade on a horizontal axis rotational hub of an offshore wind turbine, use is made of a blade installation device that is temporarily installed on the offshore wind turbine. The device includes a mounting part that is mounted on the foundation of the offshore wind turbine and/or on a lower portion of th...