Telecommunications, in particular the transmission of data for measuring, metering, recording, checking (supervision) and accounting of heat, water, gas, electricity and domestic outgoings.

Supplying of heat, water, gas and electricity; arranging deliveries of heat, water, gas and electricity.

Development of apparatus for measuring, metering, recording, checking (supervision) and accounting of heat, water, gas, electricity and domestic outgoings, and for the processing, reproduction and transmission of data relating thereto, in particular in the sanitary and heating sectors; consultancy in connection with the consumption and saving of heat, water, gas and electricity, and drawing up initiatives relating thereto; creation of data-processing programs.

Electric measuring, signalling and checking (supervision) apparatus and instruments; apparatus for receiving, recording, transmission, processing, output or reproduction of data or signals; data carriers; remote control apparatus, electric measuring devices, transmitters of electronic signals, circuit-closers, ammeters, circuit-breakers, electric loss indicators, electric converters, electric inverters, electric temperature indicators, surveying apparatus and instruments, distribution boxes (electricity), distribution boards (electricity), heat-regulating apparatus, electric meters, electric counters, time-recording apparatus, time switches, automatic; other electric, measuring, signalling, checking (supervision) and metering apparatus; accessories for the aforesaid goods.

Lighting apparatus and installations; apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.

Arranging and concluding of transactions within the framework of an electronic department store; operating electronic markets for arranging contracts for buying and selling goods or providing services; gathering and storing of software and data; data storage and processing, for others; administration of data on servers; computerized file management; price agency services, namely calculation of prices for goods and/or services; auctioneering, including on the Internet; e-commerce services, namely order placement, delivery services, invoice management for electronic ordering systems, arranging and concluding commercial transactions via online shops, presentation of goods and services; commercial building management; professional business and organisation consultancy in the energy sector; marketing services, namely the marketing of new technologies, in particular in the environment and energy sector; business management services; business administration; office functions; all the aforesaid services in the field of energy supplying.

Creation and installation of distribution and transport networks; energy management, namely the construction, management and maintenance of energy generation and distribution installations; construction of power stations, in particular hydroelectric power stations, nuclear power stations, coal power stations, gas and steam turbine power stations; construction of waste treatment installations; construction and maintenance of sewage and fresh water installations; repair, installation services; technical building management, namely maintenance of buildings; installation, assembly, maintenance and repair of heating, ventilating and air-conditioning installations, industrial installations and machine installations; maintenance, inspection and repair of technical installations; all the aforesaid services in the field of energy supplying.

Operating fresh-water installations; energy-specific consultancy services; ecological consultancy services in the energy sector; energy consultancy for domestic, commercial and industrial purposes; providing transport networks for distributing energy (except leasing); distribution of electrical energy; operating distribution networks; distribution of gas, heating and energy, in particular electricity; distribution of energy, heating (local and long-distance heating) and the provision for others of electricity and heating (local and long-distance heating); electricity distribution; collection, storage, dumping and transport of waste; supplying of fresh water; sewage disposal; operating distribution networks and transport networks.

Industrial treatment of water and sewage; recycling and other waste utilisation; thermal disposal; waste destruction; operating waste treatment plants; generation of energy and heat (local and long-distance heating); operating waste water installations.

Environmental services, namely consultancy relating to the environment, development of concepts for environmental risk management; planning of waste treatment installations; technical consultancy and providing of expertise; construction and design planning and consultancy; engineering services; guarding of buildings, technical installations and transport systems; technical building management, not included in other classes; planning of wastewater and fresh-water installations; technical consultancy in the energy sector; energy management, namely technical consultancy and planning regarding energy generation and distribution installations; developing of integrated energy concepts; acquiring, implementing and issuing of licences, research and development contracts; scientific and industrial research; research and development, in particular in the field of environmental technology; computer programming; technical testing of apparatus, machines and installations; compiling of data in computer databases; network management, namely installation and maintenance of network systems (software); providing an e-commerce platform on the Internet; operating service hotlines for Internet users; providing computer programs on data networks; database services; implementation of computer programs in network structures and providing of software, data, images, audio and/or video information; licensing of software; network operator services; creating and operating of webstations; installing webpages on the Internet, for others (webhosting); all the aforesaid services in the field of energy supplying.

Flues and installations for conveying exhaust gases; burners, boilers and heaters; filters for industrial and household use; industrial treatment installations, namely gas cleaners and purifiers, chemical processing equipment, industrial installations for filtering liquids, installations for collecting gases, installations for collecting liquids; drying installations; refrigerating and freezing equipment; regulating and safety accessories for water and gas installations; nuclear installations; heating, ventilating, air conditioning and air purifying apparatus and installations; heat exchangers and fittings for heat exchangers, included in class 11; separators for removing condensation by refrigeration; refrigerating chambers; air heating apparatus; air dryers; electric radiators; heat regenerators; heat accumulators; heat exchanger pipes, cooler pipes and condenser tubes, finned tubes and filter pipes for heat exchangers; air pre-heaters; dry cooling apparatus and systems consisting thereof; dehumidifiers; chillers; machines for drying materials, also by using the spray drying technology; heat generation devices and heat distribution devices and plants composed thereof for industrial purposes; filling material and inserts for heat exchange (not machine parts), for moisture exchange and/or for mass transfer, namely being parts of process engineering installations, apparatus or devices for cooling, heating, humidifying gases, for dehumidifying gases, for absorbing materials, for desorbing materials and/or for the reaction of substances; filling material and inserts for air filtering installations, apparatus and devices as well as for water filtering installations, apparatus and devices; filling material and inserts for air and gas humidifying installations, apparatus and devices; filling material and inserts for gas scrubbers; filling material and inserts for ventilating apparatus and installations; filling material and inserts for evaporation coolers; exchange media and exchange inserts for cooling towers; plastic fixtures with parallel or crosswise arranged ducts being parts of air filters, water filters, gas scrubbers, air humidifiers, ventilating installations, gas-liquid-mass transfer installations, rain water or waste water seepage installations or evaporation coolers; apparatus for separating solids, liquids and gases from liquids by means of sedimentation; apparatus for treating and purifying water by means of filtration and sedimentation; devices for clarifying water by means of gravity sedimentation; moisture exchangers; splash deflectors for cooling towers; gas scrubbers; ventilating apparatus and equipment; humidifiers for conditioning air and gases; apparatus for biological waste water treatment; plastic fixtures with crosswise arranged ducts for use as components for evaporation coolers; sanitary installations and water supply installations; water conduits installations; tubular rods being parts of refrigerating, distilling and heating installations; lighting apparatus and installations; evaporative coolers; including all the aforesaid goods being custom-made; parts and fittings for all the aforementioned goods, included in this class.

Commercial trading and consumer information services, namely auctioneering services, intermediary services, collective buying services, commercial evaluation services, arranging of competitions for advertising purposes, commercial information agency services, import and export services, negotiation and conclusion of commercial transactions for third parties, ordering services, price comparison services, procurement services for others; retail and wholesale services, mail order retail services and online retail and wholesale services, all relating to chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry, relating to filtering materials, relating to building materials, building elements and process equipment of metal, relating to machines and spare parts therefor for use in power stations, for generating electricity and for use in the gas and processing industries, relating to compressors and spare parts therefor, relating to aerocondensers and spare parts therefor, relating to machines and plants composed thereof for the processing of foodstuffs as well as spare parts therefor, relating to machines and machine tools, apparatus, devices and parts for the processing industry as well as spare parts therefor, relating to pumps and spare parts therefor, relating to blowing machines and turbines as well as spare parts therefor, relating to heat exchangers being parts of machines and spare parts therefor, relating to safety, security, protection and signaling apparatus and equipment as well as spare parts therefor, relating to regulating, checking, controlling, measuring apparatus and devices and electric or electronic switch gears as well as spare parts therefor, relating to industrial treatment installations, namely gas cleaners and purifiers, chemical processing equipment, industrial installations for filtering liquids, installations for collecting gases, installations for collecting liquids as well as spare parts for the aforesaid installations and equipment, relating to nuclear installations, relating to refrigerating and freezing equipment, relating to heating, ventilating, air conditioning and air purifying apparatus and installations as well as spare parts therefor, relating to apparatus and instruments as well as spare parts therefor for conducting, switching, transforming, accumulating, regulating and controlling electricity, relating to plastic parts for air filters and air filter installations, for water filters and water filter installations, for cooling apparatus and installations and cooling towers, for air humidifying apparatus and installations, for gas scrubbing apparatus and installations, for ventilating apparatus and installations, for application in mass transfer processes, and/or for seepage apparatus and installations for rain water or waste water, relating to process control systems, namely electrotechnical and electronic apparatus and equipment for process monitoring and process control, for the collection, processing and output of data as well as spare parts for the aforesaid apparatus and equipment, relating to apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes as well as spare parts therefor, relating to heat exchangers and accessories for heat exchangers as well as spare parts therefor, relating to transportable buildings (not of metal), relating to non-metallic building materials, relating to filtering materials of textile; leasing and rental of dry- and wet cooling systems, cooling tower components, filter media and ash-handling systems for using power stations, for generating energy and for using the gas and processing industry; consultancy, advisory and information services relating to the aforesaid services, included in this class.

Building, construction and demolition; building construction, including the installation of lighting, heating, steam generating, cooking, refrigerating, drying, air conditioning, ventilating, heat recovery, air filtering and water supply apparatus and of sanitary installations; repair of apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, air-conditioning, ventilating, heat recovery, air filtering and water supply and sanitary purposes, air filters and parts and accessories for the aforesaid apparatus and installations; construction management services; building repair; interference suppression in electric apparatus and in air conditioning installations and apparatus; installation and maintenance of air conditioners and air conditioning installations; installation of electric apparatus; installation of refrigerating apparatus; installation and maintenance of machines; construction consulting.

Scientific and technological services and research and design services relating thereto; industrial analysis and research services; construction drafting and consultancy; engineering services; design, development, planning, engineering project management and construction (engineering services) of industrial and machine installations, lighting, heating, steam generating, cooking, refrigerating, drying, air conditioning, ventilating, heat recovery, air filtering and water supply apparatus and of sanitary installations, air filters; technical testing; scientific research; mechanical research; design, technical development and technical planning of industrial installations and machines; research and development of installations, processes and products; services of an architect; architectural consultation; technical research; engineering drawing; quality control; engineering surveying; computer programming; maintenance of software; computer system analysis; computer software design.

Advisory and consulting services relating to the use of energy; advisory and consulting services relating to energy efficiency; energy auditing and advisory and consulting services relating thereto.