U.S. federal trademark · Serial No. 74269662 · Reg. No. 1767193
well drilling machine parts; namely, fluid end parts; namely, pump liners, [ packing, pistons, piston rods, ] valves, valve seats, valve inserts, [ valve seat pullers, and gaskets; solids control equipment; namely, shale shakers, shaker screens and shaker mounts, desilters, desilter cones, desanders, mud buckets, mud cleaners, mud agitators, mud guns, mud hoppers and choke nipples; ] centrifugal pumps and parts thereof; [ air unions ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.