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