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4
Industrial oils and greases; lubricants; dust absorbing, wetting and binding compositions; fuels (including motor spirit) and illuminants; candles and wicks for lighting.
industrial greases
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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.
oil and gas well drilling, fracturing, stimulation, production and flow processing system components of metal, namely, wellheads, tubing heads, tubing hangers, casing heads, casing hangers and manifolds; manually operated metal flow control valves and parts thereof; chokes of metal for regulating fluid pressures in oil and gas well drilling, fracturing, stimulation, production and flow processing systems; metal pipes, tubulars, flowlines and pipelines; flexible pipes comprising primarily metal parts; metal pipe couplings, connectors, unions and fittings; metal pipe swivel joints; metal articulated frac arms; metal articulated frac arm manifolds; metal seals and gaskets for connections between oil and gas well drilling, fracturing, stimulation, production and flow processing system components; storage containers of metal; personnel stands of metal
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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.
parts of machines for oil and gas well drilling, fracturing, stimulation, production and flow processing systems, namely, christmas trees, wellheads, tubing heads, tubing hangers and casing hangers; pumps for oil and gas well drilling, fracturing, stimulation, production and flow processing; truck, trailer and skid-mounted pumps for oil and gas well drilling, fracturing, stimulation, production and flow processing; manifolds for oil and gas well drilling, fracturing, stimulation, production and flow processing; truck, trailer and skid-mounted manifolds for oil and gas well drilling, fracturing, stimulation, production and flow processing; parts of machines for oil and gas well drilling, fracturing, stimulation, production and flow processing, namely, flow control valves, gate valves, plug valves, check valves, and butterfly valves; power operated pneumatic, electric and hydraulic valve actuators; parts of machines for oil and gas well drilling, fracturing, stimulation, production and flow processing, namely, pressure relief valves, chokes, choke manifolds, and choke and kill manifolds; electrical, hydraulic, and electro-hydraulic controls for operating machines in the nature of oil and gas well drilling, fracturing, stimulation, production and flow processing systems; hydraulic power units; separation equipment for separating oil, gas, water and/or solids from well fluids, namely, cyclone separators, gravity separators, settling tanks, horizontal separators, vertical separators, inline separators, deliquidizers, degassers, phase splitters, demisters, coalescers, desanders, dewaterers, hydrocyclones and flotation units; desanders, namely, machines for separating sand and particulates from well fluids; swivel joints being parts of machines; articulated frac arms being parts of machines; articulated frac arm manifolds being parts of machines; automatic greasing systems for valves; seal assemblies being parts of machines; packoffs being 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.
fluid flow meters; pressure measuring apparatus in the nature of pressure meters; measuring instruments in the nature of densitometers; viscosity meters for measuring the viscosity of fluids; multiphase meters; fluid flow totalizers; fluid flow analyzers; fluid flow controllers in the nature of control valves for regulating fluid flow; liquid level monitoring systems comprised of computer hardware, downloadable and recorded software, meters and sensors for monitoring liquid levels in oil and gas well drilling, fracturing, stimulation, production and flow processing systems; instruments for the detection of the lower explosive limit of gases, namely, lel detection systems; pressure sensors; temperature sensors; oil and gas quality sensors; liquid level sensors; flow computers; control valves for regulating fluid flow; pressure relief valves for controlling fluid pressures in oil and gas well drilling, fracturing, stimulation, production and flow processing systems; pressure regulators for regulating fluid pressures in oil and gas well drilling, fracturing, stimulation, production and flow processing systems; electrical, hydraulic, and electro-hydraulic devices for use in the fields of oil and gas well drilling, fracturing, stimulation, production and flow processing; monitoring systems comprised of computer hardware, downloadable and recorded software, meters and sensors for monitoring oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; downloadable and recorded software for the automation of oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; electronic automated oil and gas well testing equipment; gas chromatographs; telecommunications hardware and downloadable and recorded software sold as a unit for remote monitoring and data access of oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; logging equipment for oil and gas well testing
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12
Vehicles; apparatus for locomotion by land, air or water.
personnel trailers; command and control trailers; equipment trailers; manifold trailers
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37
Building construction; repair; installation services
hydraulic fracturing services; oil and gas well drilling services, namely, well stimulation services; well stimulation services; installation, maintenance, repair and refurbishment of oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; technical consulting services in the field of oil and gas well drilling, fracturing, stimulation, production and flow processing operations; technical consulting services concerning the installation, maintenance, repair and refurbishment of oil and gas well drilling, fracturing, stimulation, production and flow processing systems and system components; greasing services for oil and gas well drilling, fracturing, stimulation, production and flow processing system components; rental of equipment for oil and gas well drilling, fracturing, stimulation, production and flow processing operations; oil and gas well flow testing services; oil and gas well flowback services; oil and gas well bleed-off services; oil and gas well clean-up services; oil and gas well drill-out services; oil and gas well abandonment services; in-line testing of oil and gas wells; drill stem testing; oil and gas well snubbing services; well control services; oil and gas well swabbing services; acid recovery services for oil and gas wells