US Patent Issued to Cub Crafters on June 23 for "Leading-edge ducted fan thrust reduction system" (Oregon, Washington Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,236, issued on June 23, was assigned to Cub Crafters Inc. (Yakima, Wash.).

"Leading-edge ducted fan thrust reduction system" was invented by David G. Ullman (Independence, Ore.), Vincent H. Homer (Independence, Ore.) and Patrick J. Horgan (Naches, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is a powered electric lift augmentation systems (ELAS's) to add drag while minimally reducing or enhancing the lift augmentation of an airplane. At least one ELAS is attached to an airfoil, and each ELAS comprises: a nacelle; and electric duct fan (EDF) housed within the nacelle; an optional pylon perpendicularly connected beneath t...