7 Electric drive motors, in particular for ventilation and household equipment and apparatus.
9 Measuring, control, switching, checking (supervision) and safety apparatus, and installations consisting thereof, in particular for ventilation and household equipment and apparatus;thermostats, hygrostats, speed controls, temperature-difference regulators, air-quality regulators;sensors, in particular for the checking (supervision) and regulating of pressure, temperature, gas, humidity, light, movement;electric transformers and converters.
11 Apparatus and equipment for lighting, heating, cooking, refrigerating, drying and ventilating, and parts therefor, in particular electrically-powered fans, extractor fans, air-conditioning apparatus, and installations consisting thereof, fan heaters, air heaters and air purifiers, fresh air apparatus, heat-recovery apparatus, ventilation flaps and valves, air-inlet elements, sound dampers for ventilation systems, fire protection flaps, air grates and protective grates, included in class 11, heat exchangers, in particular regenerative and recuperative heat exchangers, heat pumps, gas, oil and wood-fired heating apparatus, drinking water and service water storage tanks and heaters, solar thermal and photovoltaic installations and apparatus.
37 Electric installation; assembly, maintenance and repair of ventilation and household equipment and apparatus, and of parts for the aforesaid equipment and apparatus.
42 Architectural and construction consultancy, in particular energy and remediation consultancy for private and industrial buildings; engineering services; all the aforesaid services in particular relating to ventilation and household equipment and apparatus.