| DEVELCO Develco, Inc.
73417337 15 Mar 1983 | on 20 Mar 2020 | Magnetometers and Bore Hole Measurement Sensors for Use in Oil Well Dr... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Magnetometers and Bore Hole Measurement Sensors for Use in Oil Well Drilling Industry | | | T TRI-STATE ...AROUND THE CLOCK, AROUNDTHE WORLD... Baker Hughes Incorporated
73257195 08 Apr 1980 | on 18 Mar 2016 | Power-Operated Oil Well Drilling Equipment-Namely, Cutting, Fishing, P... Class 007 Class 007 Machinery Products Power-Operated Oil Well Drilling Equipment-Namely, Cutting, Fishing, Pulling, Patching, Drilling and Milling Tools | | | BAKER OIL TOOLS A BAKER HUGHES COMPANY Baker Hughes Incorporated
74118776 28 Nov 1990 | on 12 Feb 2016 | equipment for drilling and completing oil and gas wells; namely, tubin... Class 007 Class 007 Machinery Products equipment for drilling and completing oil and gas wells; namely, tubing to casing packers, packer accessories, production valves, safety values, tubing seals, tubing nipples, and wireline actuated tools | | | BAKERTRON Baker Hughes Incorporated
74089766 20 Aug 1990 | on 22 Jan 2016 | metallic oil field tubular members; namely, drill strings, production ... Class 007 Class 007 Machinery Products metallic oil field tubular members; namely, drill strings, production tubes, and casing having ion plated wear surfaces; and metallic downhole equipment; namely, packers having ion plated wear surfaces | | | FLEX-LOCK BAKER HUGHES INCORPORATED
73826114 18 Sep 1989 | on 01 Jun 2012 | MACHANICALLY OR HYDRAULICALLY ACTUATED LINER HANGER-TYPE TOOLS FOR USE... Class 007 Class 007 Machinery Products MACHANICALLY OR HYDRAULICALLY ACTUATED LINER HANGER-TYPE TOOLS FOR USE IN COMPLETION OF DRILLED SUBTERREANEAN WELLS | | | AUTOTRAK Baker Hughes Incorporated
75732722 21 Jun 1999 | on 30 Mar 2012 | Downhole, automated, rotary closed loop drilling and formation evaluat... Class 007 Class 007 Machinery Products Downhole, automated, rotary closed loop drilling and formation evaluation system, consisting primarily of a drill bit, a steering unit, measure-while-drilling platform comprising of resistivity, vibration and gamma sensors with additional modular nuclear measurement and pressure options, that is used for precision directional drilling and geosteering in subterranean oil, gas, water, mineral and geothermal cell formations | | | PRESSTEQ Baker Hughes Incorporated
76054005 23 May 2000 | on 13 Jan 2012 | engineering and consultation services for pressure management and cont... Class 042 Class 042 Computer & Software Services & Scientific Services engineering and consultation services for pressure management and control while drilling oil and gas wells, in the nature of pre-drilling review of seismic, geologic and offset data, continuous rigsite monitoring during drilling, and detailed post drilling data analysis | | | PATHMASTER Baker Hughes Incorporated
78233071 02 Apr 2003 | on 14 Oct 2011 | Machine tools and power operated downhole tools for cutting metal tubu... Class 007 Class 007 Machinery Products Machine tools and power operated downhole tools for cutting metal tubular members in a borehole, namely, whipstocks, casing cutters, pilot mills, tapered mills, section mills, and multiple string cutters for use in wellbore construction and maintenance; cutting and orientation machines comprised of whipstocks, casing cutters, pilot mills, tapered mills, section mills, and multiple string cutters for cutting metal tubular members in a borehole, for use in wellbore construction and maintenance | | | FORMLOCK Baker Hughes Incorporated
78142899 11 Jul 2002 | on 16 Sep 2011 | Downhole oil field machinery and parts thereof, for oil, gas, water, o... Class 007 Class 007 Machinery Products FORM LOCK | | | WELLSAVER Baker Hughes Incorporated
78161545 06 Sep 2002 | on 01 Jul 2011 | Downhole oil field machines for securing, grabbing, or otherwise retai... Class 007 Class 007 Machinery Products Downhole oil field machines for securing, grabbing, or otherwise retaining well tubulars, and parts of downhole oil field machines for securing downhole tools, namely, rod-pump anchors and tubing anchors, all used in oil and gas wells | |