Building materials of metal; containers made of metal for use in the storage of gases; chimney pots of metal; chimney cowls of metal; metal plates and metal tops for covering chimneys and smokestacks; chimney linings of metal; tanks of metal for the storage of compressed gases; cleaning caps (metal); chimneys, including free-standing chimneys of metal; chimney pipes, also in multi-walled construction of metal as well as insert pipes of metal for use in chimneys within the scope of chimney renovations; vibration damping devices and sound damping devices of metal for installation in chimney and exhaust systems; valves of metal, other than parts of machines; couplings and connecting sleeves of metal for flue gas pipes and chimney pipes; cowls of metal

Exhaust systems (machines) consisting of thermally and/or motor controlled exhaust dampers, of draught limiting devices, of exhaust silencers, of metal exhaust pipes and combustion air dampers, of combustion air supply devices and chimney venting devices; catalytic converters; separators; brushes [parts of machines]; steam/oil separators; steam condensers [parts of machines]; pressure regulators [parts of machines]; pressure valves [parts of machines]; electricity generators; finishing machines; blowing machines for the compression, exhaustion and transport of gases; expansion tanks [parts of machines]; blowing engines; compressors [machines]; compressors for refrigerators; condensing installations; radiators [cooling] for motors and engines; air-cooled condensers; air condensers; aerocondensers; mechanical tension limiting devices; machines for machining metals; machines for the spraying, blowing and molding process; machines for the installation of chimneys; machines for shaping; machines for scouring; machines for burnishing; metalworking machines; motors, other than for land vehicles; regulators [parts of machines]; air suction machines; silencers for motors and engines (except for land vehicles); valves [parts of machines]; current generators; thermally and/or motor-controlled exhaust gas flaps (machine parts); superheaters; valves [parts of machines]; heat exchangers [parts of machines]; water heaters [parts of machines]; alternators; machine tools

Accumulators, electric; batteries, electric; computer software and data carriers for software; electrical controls for exhaust systems; condensers [capacitors]; gas testing instruments; gasometers [measuring instruments]; printed circuit boards and circuits; readers [data processing equipment]; rulers [measuring instruments]; air analysis apparatus; measuring apparatus; measuring instruments; plane tables [surveying instruments]; optical condensers; precision measuring apparatus; converters, electric; commutators; temperature indicators; temperature indicator labels, not for medical purposes; monitoring apparatus, other than for medical purposes; distribution boxes [electricity]; distribution boards [electricity]; heat regulating apparatus

Exhaust flaps for exhaust pipes and draught limiters; air valves for steam heating installations; separators for scrubbing gas and scrubbing air; brackets for gas burners; bakers' ovens; ventilation hoods; burners; furnaces, other than for laboratory use; electrostatic precipitators for cleaning gases; electrical storage heaters; flues for heating boilers; gas burners; gas boilers; gas condensers, other than parts of machines; gas scrubbing and purification apparatus; ionization apparatus for the treatment of air or water; air-conditioning installations; air-conditioning apparatus; cooling installations, apparatus and machines; refrigerating containers; laboratory burners; air reheaters; filters for air conditioning; air filtering installations; air cooling apparatus; air purifying apparatus and machines; germicidal lamps for purifying air; ventilation [air-conditioning] installations and apparatus; furnace linings (shaped); structural plates for ovens; fittings, shaped, for furnaces; oven fittings made of fireclay; furnace grates; oil burners; gas burners; flue gas vacuums; separators for gas and air purification; dampers [heating]; chimney flues; regulating and safety accessories for gas apparatus; regulating and safety accessories for gas pipes; regulating and safety accessories for water apparatus; regulating accessories for water or gas apparatus and pipes; boiler pipes [tubes] for heating installations; taps for pipes and pipelines; coils [parts of distilling, heating or cooling installations]; chimney blowers; safety accessories for water or gas apparatus and pipes; solar furnaces; accumulation boilers; feeding apparatus for heating boilers; solar thermal collectors [heating]; thermostatic valves [parts of heating installations]; fans [air-conditioning]; fans [parts of air-conditioning installations]; ventilators for heat exchangers; heat pumps; heat regenerators; heat accumulators; heat exchangers, other than parts of machines; heat exchangers for central heating; heat exchangers for chimneys; heat exchangers for the removal of condensate; heat exchangers for the removal of exhaust gases; heat exchangers for the removal of flue gases; water heaters [apparatus]; water heaters

Gasket, gasket rings and gasket compounds; gaskets for heat exchangers; insulating materials, in particular for heat and sound insulation; insulating materials

Building materials (non-metallic), in particular cover plates, lining panels; non-metallic, prefabricated ceiling parts and components for cellers, including using reinforcing iron; basins of concrete for plants; mortar; non-metallic chimney cowls and parts therefor, in particular covering hoods; chimney systems, chimney shafts and elements not of metal, ceramic, plastic or natural building materials, namely, bricks, fireclay and similar material, including all the aforesaid goods of a combination of metal and mainly not of metal; chimney cowls and closures (non-metallic); rigid pipes for building, not of metal or of metallic and mainly non-metallic materials combined; prefabricated chimney components, not of metal; extension stones, lids and spark filters, all the aforesaid goods included in this class

Engineering services, included in this class, in the field of insulation and exhaust gas technology for furnace installations and stationary motive power units