7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; generators; compressors; machine elements, in particular for generators, compressors, energy converters, water and wind power installations; water power stations; wind power installations; marine energy installations, in particular OWC installations
9
Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; energy converters in the field of renewable energy; buoys, in particular measuring and signalling buoys; measuring apparatus, in particular for measuring the wave height, wave length and wave periods of water waves; buoys for converting marine energy
17
Rubber, gum, asbestos, mica and goods made from these materials, for use in water power and marine energy installations and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal
42
scientific and technological services, and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; construction and development of water power and wind power installations, and marine energy converters; engineering; consultancy relating to the conservation of energy; Mechanical research and development; surveying; research and development in the field of renewable energy