TEDA

Class [007]
Machinery Products

Drilling machines and parts therefor; oil field equipment, namely, drilling rig mechanization machines and devices; mud pumps, namely, electric pumps for pumping mud; swivels, namely, swivel heads for machines, swivels being structural parts of machines; hydraulic power tongs, namely, machine parts for use in gripping stacks of rectangular objects, machines used at the surface of the well to grip a tubular and stop an adjoining tubular from rotating; hydraulic make-up and break-out units, namely, machines used to disassemble and reassemble downhole tools in either a workshop or drill site location; hydraulic power units, namely, hydraulic pumps with motors and reservoirs, hydraulic presses; rotary tables, namely, parts of machines used in the oil and petroleum production platforms; spinners, namely, drilling machines for used with power tongs and hydraulic make-up and break-out units for transferring power; air spiders, namely, pneumatic casing elevators for handling casings in oil fields; drill pipe elevators being machines; tubing elevators being machines; bushings being parts of machines; pump jacks, namely, machines for the extraction of fluids from subsurface formations; plunger pumps being parts of machines; sucker rod pumps being parts of machines; cement heads being parts of machines; sucker rod elevators being machines; valves being parts of machines; wind-powered electricity generators