ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,347, issued on Sept. 23, was assigned to PRINCE MOHAMMAD BIN FAHD UNIVERSITY (Dhahran, Saudi Arabia).

"Method of forming spline gears and assembling a dual spline gear" was invented by Omar Dawood Mohammed Sily (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming spline gears and assembling a dual spline self-aligning gear includes forming a first spline gear and a second spline gear by hobbing to form a plurality of outer spline and inner spline teeth alternating with a plurality of inner spline grooves. Receiving a toothed ring gear having outer gear teeth and inner gear teeth alternating with inner gear groov...