ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,665, issued on May 20, was assigned to GRANDVANCE TECHNOLOGY INC. (Taoyuan, Taiwan).

"Viscous flow blower" was invented by Che-Wei Lee (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A viscous flow blower includes a housing including an inlet, an outlet, a motor, and an internal space; a seat secured to the housing and including N supporting projections and an axis of rotation. N is an integer equal to or greater than five. The connection member is coaxial with the axis of rotation. The motor is operatively connected to the seat so that the seat can be rotated by activating the motor. Annular blades are stacked on the seat. The blade...