Air filters for mechanical purposes; fans for mechanical and industrial purposes, namely, fans for machine engines; purification filters, namely, air purification filters for mechanical purposes; de-dusting apparatuses, namely, dust separators; aeration apparatuses and machines, namely, aerators; compacters, namely, air compactors, namely, air compressors; pressing machines, namely, air pressing machines, namely, compressed air pumps; compressors, namely, air compressors, compressors for air conditioning and compressors for humidifying machines; air inlets and outlets, namely, blowers for machines, air filters for mechanical purposes, air compressors

Measuring and control devices for air conditioning and ventilator technology; volume flow regulator for domestic, commercial and industrial use

Ventilators for air conditioning, air-conditioning, heating, cooling, ventilation and exhaust, humidifying and dehumidifying systems and devices, as well as parts thereof, for use in rooms, build-ings, trains, ships and vehicles; ventilators for domestic, com-mercial and industrial use; air heaters, namely electric heaters for domestic, commercial and industrial use; evaporative air coolers; air filters for air conditioning units; nozzles as parts of ventilators and humidifiers; sprayer nozzles, air-volume control valves and stop valves as parts of air-conditioning systems; re-generative heat exchangers not being parts of a machine; hu-midity exchangers, namely, high pressure humidifier not being parts of machines; air outlets and inlets as parts of ventilators, humidifiers and ventilation fume hoods; induction devices, namely induction ovens for room heating; ventilator convector ovens for room heating and cooling; room cooling devices with fan, namely, ventilating fans for domestic, commercial and in-dustrial use; façade air-conditioning modules for decentralized heating, cooling, fresh-air supply, air circulation and air evacua-tion of rooms and buildings, namely, central air-conditioning in-stallations; air filtering units for process ventilation engineering and for filtering dust, fibres, chips, granules and paper

Providing expert opinions and economic forecasts relating to companies and business in the field of energy management and air circulation of buildings, plants, apparatus, devices and machines; business efficiency experts in the field of ventilation and room ventilation systems, apparatus, devices and machines; business management analyses, namely, analyses of enterprises for businesses in the field of ventilation and room ventilation systems, apparatus, devices and machines

Technical planning, technical development, design planning, and measurement evaluations in the field of ventilation and room ventilation systems, apparatus, devices and machines as well as their components, for use in new buildings, refurbishment of buildings, industrial buildings, laboratories, vehicles, trains, ships and drying and disposal installations for air flows; technical simulation, namely, design and testing for new product devel-opment and developing programs for simulating experiments in the field of ventilation and room ventilation systems, apparatus, devices and machines as well as their components, for use in new buildings, refurbishment of buildings, industrial buildings, laboratories, vehicles, trains, ships and drying and disposal in-stallations for air flows