78881550
May 11, 2006
Mar 24, 2009
Positive displacement pumps for oil wells and replacement parts therefor, namely, ball valves and seats, barrels, plunger bodies, bushings, cages, plunger connectors, barrel connectors, sucker rod connectors, slider valve connectors, barrel couplings, plunger connectors, rod couplings, seating cup couplings, change cover couplings, guides, holddowns, mandrels, nipples, shoes, nuts, plugs, plungers, rings, cups, rods, spacers, tubes, valves, seals and liners
Machinery