U.S. federal trademark · Serial No. 85308228 · Reg. No. 4053149
Openhole oil and gas well completion systems used in hydraulically fractured multi-zone wells comprised of packers, sliding sleeves for use in the flow of materials throughout the well, composite bridge plugs for controlling pressure or fluids downhole, engineered composite balls for use in the flow of liquids, horizontal ball seat valves, mechanically cemented ports for controlling pressure downhole, and open hole anchors
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.