U.S. federal trademark · Serial No. 88177000 · Reg. No. 5922445
Wellhead machines used in oil and gas well drilling operations comprised of casing heads, casing spools, tubing heads, casing hangers, tubing hangers, tubing head adapters, test plugs, wear bushings, tees, crosses, tree caps, chokes and valves, gate valves and large bore valves; Parts of wellhead machines used in oil and gas well drilling operations, namely, casing heads, casing spools, tubing heads, casing hangers, tubing hangers, tubing head adapters, test plugs, wear bushings, tees, crosses, tree caps, chokes and valves, gate valves and large bore valves
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.