US Patent Issued to The Boeing on Jan. 20 for "Four-bar flapping rotors for aircraft and associated methods" (Pennsylvania Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,578, issued on Jan. 20, was assigned to The Boeing Co. (Arlington, Va.).

"Four-bar flapping rotors for aircraft and associated methods" was invented by Mark Jerome Bradford (Chalfont, Pa.), Brian Patrick Garrett (Media, Pa.) and Tejaswi Peri (Newtown Square, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Four-bar flapping rotors for aircraft and associated methods are disclosed. An example a flapping rotor hub described herein includes a rotor hub having a first end and a second end, the first end opposite the second end along an axis of rotation of the rotor hub, a first link rotatably coupled to the rotor hub at the first end, the first link t...