U.S. federal trademark · Serial No. 76251288 · Reg. No. 2715071
oil well drilling and installation services, namely boring of oil wells; installation of oil well casing, tubing, and drill pipe; oil well installation services, namely running, hanging, and cementing casing liners and sub-sea casings in a borehole; and rental of oil well drilling and installation tools
machine tools and structural parts therefor for use in oil well installation, running, hanging, and cementing casing liners and sub-sea casings in a borehole, namely surge reduction diverter subs for use with downhole running tools to reduce the damaging effects of surge pressure on a borehole, wiper plugs for use with downhole running tools to facilitate cementing a casing liner or sub-sea casing in a borehole, valves and valve actuators for use with downhole running tools to facilitate running in and cementing a casing liner or sub-sea casing in a borehole
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.