U.S. federal trademark · Serial No. 78895943 · Reg. No. 3227633
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.