ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,996, issued on May 6, was assigned to LM WIND POWER INTERNATIONAL TECHNOLOGY II APS (Kolding, Denmark).
"Method of manufacturing a wind turbine blade" was invented by Lars Nielsen (Kolding, Denmark) and Klavs Jespersen (Kolding, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of manufacturing a wind turbine blade, comprising arranging one or more layers of fibre material and a preform in a mould (66), injecting the one or more layers of fibre material and the preform (76) with a curable resin, and curing the resin. The preform (76) is impregnated with a curing promoter such that the concentration of c...