U.S. federal trademark · Serial No. 87683480 · Reg. No. 1829313
Non-metallic oil pipelines; Casings, not of metal for oil wells; Barriers of non-metallic materials use in the oil and gas industry; Refractory products in the form of non-metal linings; Non-metallic linings for use in construction; Non-metallic rigid pipes; Ceramic articles for construction purposes, namely, an annulus insert for construction of oil and gas wellheads; Ceramic refractory work pieces, namely, ceramic refractory liners for insertion into an oil and gas wellhead
Wear resistant linings of metallic materials for use in the oil and gas industry; Inserts of metal for use in the oil and gas industry; Articles of metal for use in completing oil or gas wells, namely, a wellhead annulus insert; Wear resistant common metal alloys; Metal adaptors for pipes, namely, oil and gas wellhead pipe fittings; Metal pipe fittings; Metal barriers for use in oil and gas wellheads; Screw thread inserts of metal for protecting a wellhead annulus
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.