SIGMA AIR UTILITY

Machine tools and mechanical apparatus for the generation of compressed air, vacuum pressure and air flow, namely, compressed air pumps, vacuum pumps, hoses and filters; compressors for machines, namely, reciprocating compressors and screw compressors; blowers for the compression, exhaustion and transport of gases; blowing machines, namely, power-operated blowers, centrifugal blowers, electric blowers for motors and engines, rotary blowers and axial flow blowers; air suction machines; vacuum pumps being machines; machine parts of air compressors, vacuum pumps, and blowers, namely, central screw compressor units and central reciprocating compressor units; air compressors; pneumatic transporters; compressed air machines; compressed air machine motors; compressed air pumps; compressed air vessels being parts of machines; pressure tanks being parts of machines; pumps being parts of machines, motors and engines; turbines, other than for land vehicles; machine tools for the compression, exhaustion and transport of gases; pneumatic tools, namely, pneumatic hammers, pneumatic chisels, pneumatic drills; filters for compressed air machines, motors and engines; air filters for motors and compressors; catalytic converters for the adsorption of hydrocarbon vapors; activated carbon absorbers for air compressors and general industrial use, and catalytic converters, being parts of machines; activated carbon filters for use in compressed air systems, being parts of machines; high pressure filters being parts of machines; condensate separators being parts of machines; vacuum cleaners; cooling radiators for motors and engines; coolers for motors, compressor machines or blowers, namely cooling radiators and cooling pumps; air condensers; condenser installations comprised of air condensers and air-cooled condensers; de-aerators being parts of machines; oil separators and de-oilers for separating oil from air being parts of machines; fittings for compressors and machines, namely, drain taps, air receivers being parts of air compressors, shock absorbing anti-vibration mountings, hydraulic and pneumatic controls, mechanical controls being parts of machines, pumps, and electric motors; taps being parts of machines and motors; mechanical seals being parts of machines; compressed air main charging systems comprised of control devices for the regulation of compressed air, being parts of machines; compressed air reservoirs being parts of machines; regulators being parts of machines; speed governors for machines and motors; pressure regulators being parts of machines; pneumatic controls for machines and motors; motors, other than motors for land vehicles; electric motors, other than for land vehicles; generators of electricity; machine housings, namely, housings for compressed air machines, vacuum pump machines, air suction machines, gas compressors and blowing machines for the compression, exhaustion and transport of gases; mounts for machines, namely leveling mounts; stands for machines; tables for machines, namely tables specially adapted to hold powered machinery; couplings and driving belts for machines, other than for land vehicles; gear boxes, other than for land vehicles; ball-bearings for use in compressed air machines; shaft couplings being parts of machines; cranks being parts of machines; crank shafts for the compression, exhaustion and transport of gases; machine wheels; axles for machines; pump diaphragms; air compressor superchargers; turbo gas compressors; fans for motors; anti-pollution devices for motors and compressors being parts of machines and motors; heat exchangers being parts of machines; parts of compressed air machines, namely, hoses and pipes; compressed air reservoirs being parts of air compressors, machines and motors

Apparatus, devices and machines for air treatment, namely, for compressed air conditioning for the separation and deposition of solid and liquid contamination of the compressed air, namely air conditioning and air cleaning units; air filtering installations; air purifying apparatus and air purifying machines; air dryers, namely, compressed air dryers for the removal of liquid vapor from compressed air and gases; desiccant dryers for removal of solid, liquid and vapor contaminants from compressed air and gases; industrial refrigeration dryers for removal of solid, liquid and vapor contaminants from compressed air and gases; membrane dryers for adsorption of solid, liquid and vapor contaminants from compressed air and gases; drying apparatus and drying installations for use in air conditioning systems; drying devices consisting of air dryers for use in air conditioning systems and industrial dryers for dehumidifying; refrigerating apparatus, refrigerating machines and refrigerating installations; air cooling apparatus; air coolers, namely, compressed evaporative air coolers; condensate drains for compressed air applications being structural parts of refrigerating devices for the removal of moisture and water vapor from compressed air and gases; heat exchangers; apparatus and machines for the treatment of condensate water, namely, water purification and filtration units; air filters for air conditioning units; air filters being parts of household or industrial installations, namely air conditioners, air coolers and air dryers; filter systems, namely, air filtering installations; compressed air filters for industrial installations and domestic use; compressed air filters for industrial installations and domestic use; dust filters for use in compressed air installations, namely, air filtering installations, air coolers and air dryers; germicidal air purifying lamps; apparatus and devices for the sterilization of air, namely air sterilizers; regulating and safety accessories, namely filters and filtering devices for gas conditioning; taps for pipes, namely faucets; compressed air reservoirs being parts of air conditioning and cooling apparatus

Construction of compressed air generation systems, compressed air distribution systems and compressed air treatment systems; installation, repair, maintenance and care of air compressors, air dryers, compressed air generation systems, compressed air distribution systems and compressed air treatment systems; installation services relating to apparatus, devices and installations for compressed air generation, compressed air distribution and compressed air treatment; installation and repair of compressors and compressor installations; plumbing; installation, maintenance and repair of machines for and in connection with compressed air generation, compressed air distribution and compressed air treatment; cleaning of compressors and compressed air installations; rental of compressed air machines, namely, rental of machines for the generation of compressed air; rental of installations and devices for the generation, conduction, storing, release and treatment of compressed air; all of the foregoing services excluding industrial air conditioners

Distribution and supply of compressed air for third parties

Generation of energy and of compressed air; consultancy services for third parties in the field of generation of energy and of compressed air; air purification; air freshening; rental and leasing of installations serving the generation and supply of energy and of compressed air; generation of compressed air for third parties; all of the foregoing services excluding industrial air conditioners