ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,753, issued on June 17, was assigned to NORDICCO A/S (Fredericia, Denmark).
"Blade construction" was invented by Dennis Thomsen (Fredericia, Denmark) and Jesper Hermansen (Skanderborg, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention disclose a blade construction for a blade for a fan and the use of such a blade in a fan, wherein said blade construction incorporates a light source emitting light away from said blade, and where said blade has a longitudinal extend in use radially to an axis of rotation for said fan, such that the blade construction has a root end suitable to be attached to a rotor unit, and a distal end fu...