LIBERTY

Sucker rods being steel rods; sucker rods made of metal

Pumps for machines, Hydraulic pumps; High-pressure pumps for use in oil or gas well hydraulic fracturing operations; Electric pumps; Shafts for pumps; Sucker rods being machine tools for use in oil or gas well hydraulic fracturing operations; Pump diaphragms; Pump control valves; Industrial equipment for extracting oil and gas, namely, oilfield production machines; Machine parts, namely, bearings and bushings; valves as machine components; Oil field equipment, namely, drilling rig mechanical handling machines and devices; Hydraulic power units; Machine tools for extracting oil and gas; Variable speed drives for use with fluid pumping systems; Drilling machines

Oil well Christmas trees in the nature of an assembly of valves, spools, and fittings that control the flow of oil or gas out of a well; Oil and gas well downhole survey and measurement equipment; Pressure relief valves being automatic valves not being part of machines for the oil and gas industry; Scientific instrumentation for measuring oil and gas flow and characteristics; Electrical integrated control systems for use in the field of oil and gas extraction; Flow regulators for oil and gas use; Automatic valves for controlling the flow of oil in pipelines; pressure relief valves for regulating the flow of liquids and gasses in pressurized systems