6
Common metals and their alloys; pipes and tubes of metal; goods of common metal not included in other classes; steel pipes; water-pipes of metal; sleeves (metal hardware); elbows of metal for pipes; drain pipes of metal; tubes of metal; pipes of metal; rails of metal; pipe muffs of metal; common metals, unwrought or semi-wrought; hardware of metal (small); junctions of metal for pipes; pipework of metal; drain traps (valves) of metal; manhole covers of metal; ducts of metal for ventilating and air conditioning installations; manifolds of metal for pipelines; penstock pipes (of metal)
11
Bath taps; bathroom installations; bathroom installations for sanitary purposes; air deodorising apparatus; air cooling apparatus; water purification installations; cooling installations for water; cooling installations for liquids; radiators (heating); air valves for steam heating installations; water purifying apparatus and machines; air purifying apparatus and machines; cooling installations and machines; air conditioning installations; air filtering installations; bath fittings; bath installations; bath plumbing fixtures; radiator caps; water heaters; fans (air-conditioning); heating apparatus; faucets for pipes (am); pipe line cocks (spigots); heating installations; heating installations (water); boiler pipes (tubes) for heating installations; central heating radiators; water distribution installations; air conditioning apparatus; pipes (parts of sanitary installations); water-pipes for sanitary installations; water conduits installations; water heaters (apparatus); refrigerating appliances and installations; cooling appliances and installations; regulating accessories for water or gas apparatus and pipes; safety accessories for water or gas apparatus and pipes; taps (faucets); washers for water taps; sanitary apparatus and installations; drying apparatus and installations; coils (parts of distilling, heating or cooling installations); fans (parts of air conditioning installations); steam generating installations; ventilation (air-conditioning) installations and apparatus; mixer taps for water pipes; regulating and safety accessories for water apparatus; steam accumulators; water supply installations; heat pumps; water flushing installations; water intake apparatus; apparatus for heating; apparatus for steam generating; apparatus for refrigerating; apparatus for drying; apparatus for ventilating; apparatus for water supply; apparatus for sanitary purposes
17
Rings of rubber; water-tight rings; waterproof packings; weatherstripping; rubber, raw or semi-worked; flexible tubes, not of metal; insulating materials; pipe gaskets; pipes (joint packings for -); gaskets; joint packings; seals; pipe muffs, not of metal; pipe jackets, not of metal; sealant compounds for joints; junctions, not of metal, for pipes; rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal
19
Concrete building elements; penstock pipes (not of metal); ducts, not of metal, for ventilating and air-conditioning installations; ceramic semi-finished products in the form of hoses, pipes and tiles; water-pipes, not of metal; branching pipes, not of metal; pipes (rigid -) not of metal (building); building materials, not of metal; drain pipes, not of metal; drain traps (valves), not of metal or plastic; non-metalic rigid pipes for building
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Construction information; construction; plumbing; repair; installation services