11 Apparatus for heating and steam generating, namely, electric stoves, electric boilers, steam boilers, gas burners for industrial, commercial and domestic use, heat radiators for heating buildings; tubular and plate radiators for heating buildings; heat pumps, steam heating apparatus, refrigerating apparatus and machines, freezers, refrigerators, ice machines; electric saucepans, electric pressure cookers, electric toasters, electric bread toasters, electric deep fryers, electric grills, electric cooking ovens, electric apparatus for the production of popcorn, namely, electric popcorn poppers; electric coffee and tea makers, electric kettles; apparatus for air conditioning and ventilating, namely, air conditioning apparatus for industrial use, electric fans, ventilation hoods for stoves, air purifying apparatus for commercial, domestic and industrial use, air filters for industrial installations, air sterilizers for commercial use; thermostatic valves being parts of heating installations, pipes being parts of sanitary facilities, water softening apparatus, water filtering apparatus, water purification installations, water purifying apparatus and machines; electric hair dryers for household purposes, electric hot air hand dryers, electric blankets, not for medical purposes; electric heating cushions, not for medical purposes; electric foot warmers; hot water bottles; air conditioning installations used in industry