6
Ironmongery, in particular installation, assembly and fastening hardware for solar collectors, photovoltaic modules and installations; Ducts of metal for heating, refrigerating, ventilating and air-conditioning installations; Flanges of metal (collars) for heating installations
9
Solar cells for electricity generation; Photovoltaic equipment and installations composed for generating electricity and electric control and regulating apparatus therefor, being safety equipment; Electric converters and inverters, in particular for photovoltaic installations or fuels cells; Fuel cells or photovoltaic modules and power generating installations and apparatus composed thereof, being energy sources, included in class 9; Glass covered with an electrical conductor; Checking (supervision) apparatus, Electric control and regulating equipment, included in class 9; Consumer control units; Indicators (electricity); Anodes
11
Heating installations, cooling installations, air conditioning installations, ventilation installations; Thermally and/or electrically operated fittings for heating installations, except measuring apparatus; Fittings for water pipes of metal, metal alloys or plastic; Taps [faucets]; Water conduit systems; Thermostatic valves as parts of heating installations; Coils being parts of distilling, heating or cooling installations; Instantaneous water heaters; Water heaters; Hot water cylinders; Pressure water tanks; Water heaters; Hand driers; Heated towel rails; Electric heating apparatus and installations; Electric heat accumulating apparatus and installations for central or local installation; De-icing apparatus and installations; Central heating systems and components therefor, included in class 11; Ovens; Heating apparatus for solid, liquid and gaseous fuels; Electric heating apparatus for household purposes; Air-conditioning apparatus and installations; Air humidifying and air de-humidifying apparatus, and air dryers; Filters for air conditioning and air filtering installation; Ventilation (air-conditioning) apparatus and installations; Heat pumps; Heat exchangers and heat regenerators; Brine distributors (parts of heating installations); Solar-operated refrigerating installations, in particular adsorption and absorption heat pumps; Solar collectors for heating; Flues and pipes for heating boilers; Brackets for gas burners; Heating boilers; Burners; Fuel cell-operated heating apparatus; Filters and filtering apparatus for household or industrial installations, in particular for drinking water; Refrigerators and refrigerating installations; Water treatment apparatus and installations; Water softening and lime protection apparatus and installations; Water supply and distribution installations and apparatus; Water and drinking water distributing apparatus; Regulating and safety accessories for water or gas apparatus and pipes