Description: Machines and machine parts for use in oil and gas well production, namely, downhole fluid powered jet and reciprocating pump equipment in the nature of downhole pump cavities, bottom hole assemblies, standing valves, jet and reciprocating pumps, mechanically operated retriever tools, pressure switches, temperature memory recorders, electric motors, motor drives, pump control and safety equipment in the nature of pressure gauge switches for oil and gas well operations, flow meters being parts of machines for oil and gas well operations, vibration meters being parts of machines for oil and gas well operations, temperature meters being parts of machines for oil and gas well operations, and level switches being parts of machines, all for oil and gas well operations; High, Medium and Low-pressure pumps for use in oil and gas production, transfer, disposal, and injection operations; Parts of oilfield machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings, and flanges; Centrifugal pumps; Lubricating pumps; Positive displacement pumps
