9
Solar modules, solar cells and solar collectors; photovoltaic and solar installations, consisting of solar modules, solar cell and solar collectors for electricity generation; electric apparatus, instruments and installations for generating electrical energy (included in class 9) and parts of solar, photovoltaic and solar thermal installations
11
Solar panels (heating); solar installation systems (heating systems); lighting apparatus, heating apparatus, not for radiators and exclusively in relation to apparatus for solar energy, steam generating, drying, ventilating, water supply and sanitary purposes; heat pumps; solar heat collectors; Solar thermal installations consisting of solar panels (heating) and/or solar installations systems (heating systems)
37
Construction, installation, assembly, repair and/or maintenance of photovoltaic, solar and solar thermal installations and components and accessories therefor
42
Building planning and consultancy and construction drafting and consultancy relating to the use of solar power, solar technology, solar heat and photovoltaics; engineering services; technical consultancy and providing of expertise in connection with solar technology, solar, solar thermal and photovoltaic installations; planning of solar, solar thermal and photovoltaic installations and components and accessories therefor; scientific and technological services and research and design relating thereto; industrial analysis and research services; surveying; consultancy relating to the conservation of energy; engineering in relation to renewable energy generation, production, supplying and distribution; consultancy in the field of the protection of the environment; technical consultancy; calculation and planning of solar, solar thermal and photovoltaic installations