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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.
well cleaning apparatus, namely, steel wire sand-line cable; metal tubing hanger plugs for oil and gas wells
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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.
hydraulic control apparatus and modules for downhole tools and apparatus, namely, remotely controlled battery powered hydraulic valve actuators associated with fluid loss device; hydraulic control apparatus, namely, hydraulic valve actuators for valves and machine tools associated with fluid loss barrier; hydraulic and motorized pumps for machines; hydraulic valves, namely, pressure diverter valves being parts of machines associated with trigger actuation of fluid loss barrier; isolation barriers, namely, ball valves, flapper valves, choke valves and sliding sleeves, all being parts of machines, for use in oil and gas wells; valves as machine components for use in relation to oil and gas drilling, recovery and production; mechanical valves as machine components for regulating and measuring fluid flow; valves being parts of wellhead machines; apparatus for handling, processing, supply and compression of wellbore fluids, namely, ball valves, flapper valves, choke valves and sliding sleeves, all being parts of machines; fluid flow control apparatus and devices for oil and gas wells, namely, ball valves, flapper valves, choke valves and sliding sleeves, all being parts of machines; parts and fittings for all the aforesaid goods, namely, hydraulic lines and their associated pressure reducers as parts of machines
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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.
electronically controlled apparatus and equipment, namely, onboard battery-powered microprocessor and electric actuator, for use in the production of oil and gas; electrical and electronic control systems, namely, onboard battery-powered microprocessor and electric actuator for oil and gas production equipment; remote controlled valves for regulating the flow of oil and gas when drilling; electronically controlled valves for regulating the flow of oil and gas when drilling; electric controls, namely, microprocessor to monitor tubing pressure trends for automatically operating valves in oil or gas wells; computer controlled valves for regulating the flow of oil and gas when drilling; programmable automatic valves for use in oil and gas wells; measurement apparatus, namely, microprocessor to monitor tubing pressure trends for well testing; data recording apparatus for use in oil and gas wells
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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
plugging devices and stoppers for use in oil well applications, namely, bridge plugs and fracturing plugs composed of plastic and synthetic rubber for controlling pressure or fluids downhole