 ExOne Co NASDAQ: XONE collaborates with Tennessee-based startup Maxxwell Motors to develop a unique copper e-winding design for its axial flux electric motors, which can be used in electric cars as a range of other heavy-duty vehicles and industrial devices. Maxxwell holds nine U.S and global patents and has launched two products, a 10 kW air-cooled motor-generator and a 150 kW liquid-cooled motor. 