6
Building materials of metal; Containers of metal, in particular heat-insulated hot water containers, in particular double-wall containers with an evacuated space between the walls and containers for holding heat media; Tubes of metal; Valves of metal (other than parts of machine); Fastening and installation materials of metal for the aforesaid goods and the following goods (including as kits); Silos of metal, in particular for storing biomass, in particular wooden pellets
7
Pumps for heating installations; Motors and engines (except for land vehicles), in particular Stirling engines; Motor-driven tracking devices for solar energy generation installations, included in class 7
9
Equipment for generating solar power, in particular solar cells and photovoltaic modules or installations consisting thereof, included in class 9; Apparatus and installations consisting thereof for the conversion and storage of sunlight by means of physical, biological or chemical processes for the purpose of power generation, included in class 9; Fuel cells
11
Apparatus for heating, in particular such apparatus that utilises solar technology and/or heat pumps; Solar energy collectors (heating, cooling, hot-water generation), in particular flat-construction collectors, evacuated-tube collectors, storage collectors, and installations made from the aforesaid goods - being also in the form of swimming pool absorbers and thermal syphon systems; Apparatus for steam generating, cooking, drying and ventilating; Apparatus and installations consisting thereof for the conversion and storage of sunlight by means of physical, biological or chemical processes, for heating purposes and/or for generating hot water, and parts therefor, included in class 11, in particular solar absorbers, heat exchangers; CPC (compound parabolic concentrator) reflectors being parts for solar collectors (heating apparatus); Air-conditioning and ventilation installations and apparatus; Heat regenerators
20
Containers (tanks), not of metal and not of masonry, in particular heat-insulated hot water tanks for storing heated water for supplying living areas with heat (hot water, heating)
42
Technical consultancy and development, in relation to the following goods: Pumps for heating installations, Motor and engines (except for land vehicles), Especially Stirling engines, motor-driven tracking devices for solar energy generation installations, apparatus for solar technology electricity production, Especially Solar cells and photovoltaic modules including installations, apparatus and installations consisting thereof for the conversion and storage of sunlight by means of physical, biological or chemical processes for electricity production, heating installations, in particular such with solar technology apparatus and/or heat pumps, Solar energy collectors, for use in the following fields: Heating, Cooling, Water heating, Especially Flat-construction collectors, vacuum-tube collectors, storage collectors, and installations made from the aforesaid goods, including in the form of swimming pool absorbers and thermal syphon systems, steam generating appliances, Cooking implements, Dryers for apparatus, ventilation devices, Apparatus and installations consisting thereof for the conversion and storage of sunlight by means of physical, biological or chemical processes for heating purposes and/or water heating and parts therefor, Especially Solar absorbers, Heat exchanger units, CPC (compound parabolic concentrator) reflectors being parts for solar collectors (heating apparatus), Airconditioning apparatus, ventilation devices, Regenerators (heat -)