11
Space heaters; Apparatus for powering heating boilers; Water heater apparatus; Water heater boilers; Air preheaters; Steam generating systems; Heating apparatus; Furnace boilers; Heating elements; Heating installations; Heating installations for hot water; Safety devices for water or gas installations and pipes; Hearths; Steam boilers (except parts of machines); Stoves and heating apparatus; Radiators [heating]; Central heating radiators; Expansion vessels for central heating installations; Regulating and safety devices for water installations; Regulating devices for water or gas installations and pipes; Pressurised water tanks; Coils (parts of heating and cooling installations); Heat pumps; Thermostatic valves (parts of heating installations); Heat exchangers (not parts of machines); Pipes for cauldrons for heating installations
35
Advertising; Televised advertising; Management of business transactions in the field household and industrial heating engineering; Presentation of goods; Market research; Organisation of exhibitions for commercial or advertising purpose; Public relations
42
Scientific and technological services and research and design relating thereto; Design and development of alternative energy sources [for others]; Studies, related to the preservation of the environment, including energy efficiency and making use of renewable energy sources (for others); Research with regard to new products, for others; Consultation in the field of alternative energy sources; Preparing of scientific ecological projects and performing of the related research; Engineering (engineering work); Consultancy services in the field of energy saving; Intellectual Property consultation; Technical research, testing and analysing; Surveying