AC variable frequency drives that are used to control small and medium-sized motors in applications such as manufacturing processes, HVAC and pumps; air distribution units for pneumatically driven pumps; aquarium pumps; bilge pumps; biodiesel-generation machines, namely, mixing equipment, pumps and heaters; centrifugal pumps; compressed air pumps; conveying system equipment, namely, blowers; counter-current swimming machines for use in swimming pools to enable swimming in place against an adjustable counter-current, featuring pumps, motor, and adjustable current director outlets; drives for vacuum pumps; electric fans, ventilators and blowers for motors and engines; electric pumps; electric pumps for industrial inkjet printing machines, lubrication machines; fluid power component kit for machine control comprising pumps and valves; fuel pumps for land vehicles; fuel pumps for service stations; gas diverters consisting of a pump, storage and refilling tank, pre-heater, vaporizer, recuperator, condenser and valves; high-pressure pumps for washing appliances and installations; hydraulic 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; lubricating pumps; macerator pumps; motors and pumps for refrigerators and freezers; multi-phase screw pumps; oil drain pumps; oil pumps for land vehicles; oil pumps for use in motors and engines; parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges; pneumatic pumps; pond and water garden aeration systems comprising water pumps, air compressors, air blowers and a finned wheel for pressurizing and aerating ponds and aquariums; positive displacement pumps; power blowers for lawn debris; power operated blowers; pump impellers; pumps for the beverage industry; pumps and compressors as parts of machines, motors and engines; pumps as parts of machines, motors and engines; pumps for cooling engines; pumps for machines; refrigerant recovery pumps; reverse osmosis pumps; rotary lobe pumps; rotary pumps; screw pumps; sewage pumps; silt pumps; sludge pumps; snow blowers; spray paint systems comprised of pumps, pump controllers, nozzles, tubing and valves; submersible pumps; suction pumps; sump pumps; turbomolecular pumps; vacuum pads for vacuum pump machines; vacuum pumps; valves for pumps; variable speed scroll compressors for air conditioners and heat pumps; vertical turbine pumps; water aeration systems comprising water pumps, air compressors and air blowers; water pumps for land vehicles; water pumps for use in motors and engines; water treatment equipment, namely, pumps for use in irrigation systems; windmill pumps