Variable speed drives for use with fluid pumping systems; Oil pumps for use in motors and engines; Water pumps for use in motors and engines; Axial flow pumps; Oil pumps for land vehicles; Pneumatic pumps; Electric pumps; Hydraulic pumps and motors for hydrostatic systems, comprised of pumps, motors, valves, switches, sensors and electronic controls, for hydraulic drives and force transmission in machines, machine tools, grinding and food processing machines and in off-road-vehicles; Vacuum p...