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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.
metal hydromechanical controls namely, roof drains, floor drains, traps, primers, valves, adapters, interceptors, cleanouts, siphon jets; for metal duct work and expansion joints
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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.
machine parts used as driveline connections, namely flexible couplings, flexible jaw couplings, gear couplings, multiple convoluted diaphragm couplings, flexible spindles, universal joints, general purpose couplings, composite shafting, composite flexible element coupling assemblies, automatic backstops, one-way clutches, clutch couplings, free wheel clutches, overload release air clutches, overload release clutches, centrifugal clutch coupling, wet scrubbers for paper and pulp industry, for steel and metal industry for incinerators and for hydrostatic air pollution control units
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
air cleaning and purification units, heavy duty industrial fans, fans, dampers of the guillotine type for process and the louver type for regulating flow, heavy duty centrifugal fans and heavy duty dampers for industrial uses, air drying systems, namely refrigerated air dryers, heaterless and heated regenerative desiccant dryers, dehydration and purification units, air-cooled and water-cooled after coolers, non-regenerative dryers and parts therefor; dust and fume control units, dust collectors, multiple-tube mechanical dust collectors, fabric air filters for steam generators including reverse air filters, pulse jet filters and shaker baghouse filters, industrial heat dampers for process isolation and by-pass systems for regulating flow, fire sprinklers, pressure reducing fire sprinkler and fire hose valves, water closets and parts therefor, wall and ground hydrants, water hammer arrestors, floor drains and strainers for waste applications in food preparation areas and hospital areas, pressure reducing fire sprinkler and fire hose valves, backwater valves to prevent backflow of waste water, water closet and urinal flush valves for commerical, industrial and institutional buildings, steam generating systems, namely water tube steam generators, and heat recovery steam generators, spreader storers for burning coal, wood, refuse and biomass fuels for solid, liquid, gaseous fuel, heat recovery components, namely economizers and air heaters, high pressure vessels and boiler components, drums and headers
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35
Advertising; business management; business administration; office functions
industrial management of steam and power generation systems
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37
Building construction; repair; installation services
construction services, namely planning, laying out and custom construction of steam and power generating facilities, installation of fire extinguishing sprinkler systems
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42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
design for others in the field of steam and power generation engineering