ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,020, issued on Sept. 23, was assigned to PRINCE MOHAMMAD BIN FAHD UNIVERSITY (Dhahran, Saudi Arabia).

"Self aligning gear" was invented by Omar Dawood Mohammed Sily (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-aligning gear includes a toothed ring gear having inner gear teeth alternating with inner grooves on an inner circumference and outer gear teeth on an outer circumference, a spline gear having spline teeth alternating with spline grooves on an outer circumference, wherein the spline teeth fit in the inner grooves of the toothed ring gear, and a curved-faces pin assembly including a cylindrical pin having semici...