ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,467, issued on Nov. 25, was assigned to SIEMENS GAMESA RENEWABLE ENERGY INNOVATION & TECHNOLOGY S.L. (Sarriguren, Spain).

"Root section, wind turbine blade and methods for producing and modifying a root portion of a wind turbine blade" was invented by Daniel Artal Lorente (Pamplona, Spain), Francisco Javier Gonzalez Vazquez (Portugalete, Spain), Amilcar Quispitupa Yupa (Aalborg, Denmark) and Yonatan Verburg Riezu (Zizur Mayor, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A root portion for a wind turbine blade is provided, including: an inner wall, an outer wall, a filler, an inner volume, mounting inserts, and a transversal holding arrangem...