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.
oil and gas well completion tools, namely, downhole tools in the nature of float collars, toe circulation subs, hydraulically activated toe sleeves, ball activated nozzles, ball activated valves, sliding sleeves, closable sleeves, screens, inflow control devices, packers, anchors, anchor packers, debris subs, locator subs, liner hanger packers, and stage collars, bridge plugs, service tools, namely, actuation balls, darts, plugs, straddle tools, isolation tools, shifting tools, setting tools, mills, reamers, seal assemblies; open hole packers; fracturing systems, namely, packers, ports and sliding sleeves used to fracture formation rock; acidizing systems, namely, packers ports and sliding sleeves used to place fluids on formation rock; specialty service tools, namely, packers, straddle packers, fracports, ball seats, balls, casing, tubing, circulating valves, centralizers, wireline retrievable ball seats, hydraulic anchors, open hole anchors; downhole completion systems, comprised of packers, service tools, namely, actuation balls, darts, plugs, straddle tools, isolation tools, shifting tools, setting tools, mills, reamers, seal assemblies, disconnects for releasing downhole tools and tubing, polish bore receptacles, on-off tools disconnects for releasing downhole tools and tubing, centralizers, circulation subs, cement retainers and bridge plugs; and packers, fracports, ball seats, balls, casing, tubing, circulating valves, centralizers, wireline retrievable ball seats, hydraulic anchors, open hole anchors, all of the aforementioned for use with oil and gas extraction; flow control equipment, namely, flow couplings, tubing drains, pump out plugs, tubing anchors; oil and gas well completion accessories, namely, blast joints, tubing pup joints, sliding sleeves, profile landing nipples, combo sleeves
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.
intelligent completion systems consisting of packers, sliding sleeves and electronic downhole sensors used to isolate, monitor and control a well for increased productivity