Classe 6
Metal flangesMetal nipplesMetal boxes. (da classe 6) e parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flangesValves being parts of machinesBack pressure valves as parts of machinesOil and gas valves being parts of machinesOil and gas production products and equipment, namely, wellheads, flanges, bell nipples, check valves, cone packing, bull plug valves and combination nipples, stuffing boxes, pumping and flowing tees, blow out preventers for well control and monitoring, back pressure regulators, sealing nipples, ball check valves, chokes, and rod clamps, all being parts of machines for the production of oil and gasWellheads being parts of machines for the production of oil and gas wellsWellhead accessories, namely, ball valves, valve cleanout tools, wellhead guide funnels, pipe end caps, wellhead brushes, mud line indicator rods and ball valve handling tools, valves, hangers, inserts, blinds and blanks, all being parts of machines for the production of oil and gasParts of oilfield wellhead machines, namely, flanges and seating nipples, all being parts of machines for the production of oil and gasEquipment for use in the oil and gas industry, namely, pumping and flowing teesStuffing boxes being part of machinesAnd structural parts for
Classe 7
Parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flangesvalves being parts of machinesback pressure valves as parts of machinesoil and gas valves being parts of machinesoil and gas production products and equipment, namely, wellheads, flanges, bell nipples, check valves, cone packing, bull plug valves and combination nipples, stuffing boxes, pumping and flowing tees, blow out preventers for well control and monitoring, back pressure regulators, sealing nipples, ball check valves, chokes, and rod clamps, all being parts of machines for the production of oil and gaswellheads being parts of machines for the production of oil and gas wellswellhead accessories, namely, ball valves, valve cleanout tools, wellhead guide funnels, pipe end caps, wellhead brushes, mud line indicator rods and ball valve handling tools, valves, hangers, inserts, blinds and blanks, all being parts of machines for the production of oil and gasparts of oilfield wellhead machines, namely, flanges and seating nipples, all being parts of machines for the production of oil and gasequipment for use in the oil and gas industry, namely, pumping and flowing teesstuffing boxes being part of machinesand structural parts for the foregoing
