U.S. federal trademark · Serial No. 76376141 · Reg. No. 2728763
Oil and gas well completion and production equipment, namely, pumps, and surface drives, power operated tools, namely, fishing tool for inserting or removing equipment within oil wells; pressure bomb cartridges, adapted to hold pressure bombs for bottom hole surveys; valves for pumps, namely, hydraulic pump control valves, oil well pump selector valves, oil well pump standing valves
Metal packer nose assemblies for attachment to bottom hole hydraulic oil well pumps; seating shoes providing a fluid seal between bottom hole pump intakes and exhausts; bottom hole assemblies for receipt of bottom hole hydraulic oil well pumps; manually operated metal valves, namely, ball valves, check valves, gate valves, four-way shoe type valves, shutoff valves, soluble plug injector valves
Automatic valves for use in pumps, namely, constant rate flow control valves, back pressure control valves
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.