6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
[ check valves, mercury traps, seal and condensate chambers, orifice flanges, meter leveling saddles and pipe supports ]
7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
[ check valves, mercury traps, seal and condensate chambers, orifice flanges, meter leveling saddles and pipe supports ]
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
[ check valves, mercury traps, seal and condensate chambers, orifice flanges, meter leveling saddles and pipe supports ]
17
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.
[ check valves, mercury traps, seal and condensate chambers, orifice flanges, meter leveling saddles and pipe supports ]
20
Furniture, mirrors, picture frames; goods (not included in other classes) of wood, cork, reed, cane, wicker, horn, bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics
[ check valves, mercury traps, seal and condensate chambers, orifice flanges, meter leveling saddles and pipe supports ]
21
Household or kitchen utensils and containers; combs and sponges; brushes (except paint brushes); brush-making materials; articles for cleaning purposes; steelwool; unworked or semi-worked glass (except glass used in building); glassware, porcelain and earthenware not included in other classes.
[ check valves, mercury traps, seal and condensate chambers, orifice flanges, meter leveling saddles and pipe supports ]
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
fluid metering, measurement and control devices including: metering valves, orifice fittings, flow computers, indicators, recorders and printers, orifice plates, edge gages, orifice seals, meter tubes, meter stations, straightening vanes, flow sections and parts thereof