ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,781, issued on Oct. 7, was assigned to PRINCE MOHAMMAD BIN FAHD UNIVERSITY (Dhahran, Saudi Arabia).

"Power transmission system" was invented by Omar Dawood Mohammed Sily (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gear shaft assembly for transmitting torque between gears of a rotating system. The gear shaft includes a shaft that is coaxially disposed in a central opening of a gear assembly including a spline gear and a self-aligning gear. The self-aligning gear has a toothed ring gear with gear teeth having curved surfaces. Inner gear teeth alternate with inner grooves on an inner circumference and outer gear teeth on an o...