U.S. federal trademark · Serial No. 85767840 · Reg. No. 4595216
Oilfield drilling [ equipment and parts, namely, ] mud or slush pumps [ and all replacement and expendable ] parts, namely, [ crank/jack shafts, eccentrics, bull/drive gears, pinion shafts, eccentric bearings, cross heads, connecting rods, frame assembly, extension/pony rods, ] [ piston rods, ] [ modules, ] valves and [ seats, ] [ liners, ] pistons [, cylinder/valve plugs, ] [ cylinder heads, ] [ valve covers, valve guides, ] [ retainers, alignment rings, liner clamps, threaded rings, studs and nuts, liner cages, discharge manifold, suction manifold, pulsation dampener, ] [ gate valves, butterfly valves ] [, drill collar slips, drill pipe slips, safety clamps ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.