BAIRD

Metal goods being parts of machines used in oilfield drilling and production, namely, back pressure regulators, liquid and gas relief valves, vent valves, liquefied petroleum gas (LPG) relief valves, balls and seats, snubber cages, insert guided cages, taps and dies, on and off sucker rod couplers, pipe grippers being machine tools, positive lift traveling valves, off couplers, drop valves, polish rod lubricators, safety wheel wrenches being machine tools, rod splicers, hub pullers, tapered fishing taps, pressure plugs and probes

Pressure relief valves for liquefied petroleum gas; machines for testing balls and seats in pumps used for oilfield drilling and production