ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,559, issued on March 4, was assigned to Razor USA LLC (Cerritos, Calif.).

"Hub motor arrangements, systems, and methods" was invented by Robert Chen (Cerritos, Calif.), Fu-Yao Wang (Yau Wang) (New Taipei, Taiwan), Shih-Chen Lu (Louis Lu) (New Taipei, Taiwan), Ian Desberg (Cerritos, Calif.) and Robert Hadley (Cerritos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various hub motor arrangements, systems, and methods are disclosed. The hub motor arrangement may include a transmission assembly to provide increased torque. The transmission assembly may include a motor gear, a planetary gear, an idler gear, and a ring gear. The idler gear may be ...