Class 007: Compressed air machines; compressed air pumps; Class 009: Measurement apparatus in particular pressure measurement apparatus, measurement apparatus for the detection of the oil content in air or compressed air, measurement apparatus for the detection of hydrocarbons or their content in air or compressed air, measurement apparatus for the detection of at least one oxidizable gas in air or compressed air; Class 011: Steam traps, not as parts of machines, in particular apparatus for draining from compressed-gas pipes or containers; drying module for compressed air and compressed gases
Measuring apparatus, namely, apparatus for measuring the volume flow rate of liquids and gases, apparatus for measuring temperatures in liquids and gases, apparatus for measuring the oil vapor content in compressed air and compressed gas; checking apparatus, namely, devices for monitoring compressed air and compressed gas systems
[ Compressed air machines, compressed air pumps ] | Air pressure measurement apparatus in the nature of microsensors for measurement of pressure, acceleration, force and flow, namely, silicon piezoresistive pressure sensors; Electronic measurement apparatus for the detection of the oil content in air or compressed air; Electronic measurement apparatus for the detection of hydrocarbons or their content in air or compressed air; Electronic measurement apparatus for the detection of at least one oxidizable gas in air or compressed air; Pressure measurement apparatus in the nature of an environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature, and includes alarm and reporting functions | [ Plumbing fittings, namely, steam traps for draining from compressed-gas pipes and containers; Electric drying machines that serves as ventilation apparatus for compressed air and compressed gases ]
[ Pipe work of metal for compressed air, namely, compressed air pipe fittings of metal; penstock pipes of metal; pipe work of metal, namely, metal pipe collars, metal pipe fittings, metal pipes, metallic pipes; manifolds of metal for pipelines, namely, sheet metal linings, steel plates and sheets, and metal tubes; pipes of metal; junctions of metal for pipes ] | separating machines, namely, oil and water separators for use with oil-water mixtures | leak detectors for compressed-air systems; flow meters for compressed-air systems; gas meters; dew point meters for compressed-air systems comprised of meters and sensors that measure pressure, humidity and temperature; monitoring systems for compressed-air systems comprised of meters and sensors that measure pressure, humidity, temperature, dew point, and oil content, video monitors, sound alarms and liquid crystal displays for displaying pressure, humidity, temperature, dew point and oil content measurements, and computer software for reporting pressure humidity, temperature, dew point, and oil content measurements | apparatus for heating, cooling, drying, and air distribution in compressed air systems, namely, compressed air coolers, dryers for the removal of solid, liquid and vapor contaminants from compressed air and gases, except filters having a porous structure; separators for the cleaning and purification of gases; steam accumulators, condensate drainers for gas pipes or containers; pipe taps | [ Cement mortar penstock pipes, concrete penstock pipes, penstock pipes of earthenware or sandstone ] | technical development of components of compressed-air systems, namely, designing of machines, apparatus, and instruments, including their parts, or systems composed of such machines, apparatus and instruments, all of the above being for compressed air purification, condensate technology, compressed air distribution, instrumentation and process technology