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2
Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood; colorants; mordants; raw natural resins; metals in foil and powder form for painters, decorators, printers and artists.
coating applied by a thermal spraying process to pipes, tubing, stop devices, wear bands, wear rings, centralizers, casing joints, casing subs, casing accessories, underreamers, anchors, blast joints, stabilizers, guide rings, and drill bits for the purpose of resisting wear
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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 products for drilling or casing a well having a coating applied thereto using a thermal spraying process, namely, pipes, tubing, centralizers for maintaining the position of a tubular member within a borehole, float shoes, guide shoes, reamer shoes, float valves, float collars, cementing collars, casing scrapers, wall scrapers, wall wipers, cable wipers, cable clamps, wall scratchers, wire scratchers, stop rings, metal collars, bows and bottom hole scrapers, all of the foregoing not being parts of machines
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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.
downhole drilling tool machine parts, namely, float shoes and collars, casing centralizers for maintaining the position of the casing in a wellbore, cementing collars, casing scrapers, wall scrapers, wall wipers, cable wipers, cable clamps, wall scratchers, wire scratchers, stop rings, metal collars, bows and bottom hole scrapers
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40
Treatment of materials
custom manufacturing of drilling equipment and parts therefor for use in oil and gas wells; spray coating of pipes, tubing, tools, and other equipment using a thermal spraying process; technical consulting related to the manufacturing of oil and gas drilling equipment and components and parts therefor