HORN

Parts of machines for use in oilfield equipment, namely, spacer tools, valves, flanged connectors; loose connections, namely, connectors not intended to be made integral with another piece of wellhead and Christmas tree equipment; tees, namely, pressure-containing fittings with three openings; crosses, namely, pressure containing fittings with a minimum of four openings

Parts of machines for use in oilfield equipment, namely, electronic drilling spools, electronic pressure control equipment for drilling, namely, RAM blowout preventers and annular blowout preventers