78919028
Jun 28, 2006
Apr 29, 2008
Positive displacement pumps for oil wells and water wells and replacement parts therefor, namely, 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, valve pullers, rings, cups, rods, spacers, tubes, valves, seals and liners
Machinery