ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,558, issued on March 31, was assigned to SIEMENS GAMESA RENEWABLE ENERGY A/S (Brande, Denmark).

"Material layup apparatus and method for producing wind turbine blades using fiber plies" was invented by Christian Feht (Aalborg, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A material layup apparatus (100) for producing wind turbine blades using fiber plies (31), comprising a first gantry (1) with a transversal beam (11) extending over a mold receiving space (10). The first gantry (1) comprising at least one gripping unit (4a,4b) attached to the transversal beam (11) and being moveable both in the transversal direction (T) and in a vertical ...