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Class Information
Number: 175/26
Name: Boring or penetrating the earth > Automatic control > Of boring means including a below-ground drive prime mover
Description: Subject matter in which a below ground drive prime mover comprises part of the boring means.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8689906 Methods and apparatus for reducing stick-slip Apr. 8, 2014
8672055 Automated directional drilling apparatus and methods Mar. 18, 2014
8640793 Dynamic steering tool Feb. 4, 2014
8622150 Boring tool tracking fundamentally based on drill string length, pitch and roll Jan. 7, 2014
8602126 Directional drilling control apparatus and methods Dec. 10, 2013
8596385 System and method for determining incremental progression between survey points while drilling Dec. 3, 2013
8590635 Method and apparatus for automated drilling of a borehole in a subsurface formation Nov. 26, 2013
8579044 Bending of a shaft of a steerable borehole drilling tool Nov. 12, 2013
8561720 Methods and systems for drilling Oct. 22, 2013
8485277 Bottom-hole assembly, and a method and system for transmitting data from a bottom-hole assembly Jul. 16, 2013
8464808 Method and device for controlling a rock drill rig Jun. 18, 2013
8434567 Borehole drilling apparatus, systems, and methods May. 7, 2013
8387720 Drilling rig with a control system for rotationally rocking a drill string with a top drive Mar. 5, 2013
8381836 Advanced underground homing system, apparatus and method Feb. 26, 2013
8360171 Directional drilling control apparatus and methods Jan. 29, 2013
8362634 Modular power source for transmitter on boring machine Jan. 29, 2013
8342262 Boring tool tracking fundamentally based on drill string length, pitch and roll Jan. 1, 2013
8336642 Drilling system Dec. 25, 2012
8305229 System for wireless communication along a drill string Nov. 6, 2012
8210283 System and method for surface steerable drilling Jul. 3, 2012
8157023 Boring tool tracking fundamentally based on drill string length, pitch and roll Apr. 17, 2012
8151907 Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations Apr. 10, 2012
8146679 Valve-controlled downhole motor Apr. 3, 2012
8136612 Constant-mode auto-drill with pressure derivative control Mar. 20, 2012
8136609 Multiple input scaling autodriller Mar. 20, 2012
8061441 Autonomous excavating apparatus Nov. 22, 2011
8042623 Distributed sensors-controller for active vibration damping from surface Oct. 25, 2011
7931096 Adaptive user interface for rock drilling rig Apr. 26, 2011
7921938 Command and control for boring system Apr. 12, 2011
7884736 Common interface architecture for horizontal directional drilling machines and walk-over guidance systems Feb. 8, 2011
7866416 Clutch for a jack element Jan. 11, 2011
7828083 Method of controlling operation of rock drilling rig, and rock drilling rig Nov. 9, 2010
7823655 Directional drilling control Nov. 2, 2010
7775297 Multiple input scaling autodriller Aug. 17, 2010
7775301 Advanced steering tool system, method and apparatus Aug. 17, 2010
7766098 Directional drilling control using modulated bit rotation Aug. 3, 2010
7757781 Downhole motor assembly and method for torque regulation Jul. 20, 2010
7743848 Boring tool tracking fundamentally based on drill string length, pitch, and roll Jun. 29, 2010
7737863 Common interface architecture for horizontal directional drilling machines and walk-over guidance systems Jun. 15, 2010
7725263 Gravity azimuth measurement at a non-rotating housing May. 25, 2010
7651170 Bore head for microbore operation Jan. 26, 2010
7623961 Method for determining a track of a geographical trajectory Nov. 24, 2009
7584788 Control method for downhole steering tool Sep. 8, 2009
7528946 System for detecting deflection of a boring tool May. 5, 2009
7510025 Boring machine Mar. 31, 2009
7500530 Control system Mar. 10, 2009
7472761 Boring tool tracking fundamentally based on drill string length, pitch and roll Jan. 6, 2009
7464770 Closed-loop control of hydraulic pressure in a downhole steering tool Dec. 16, 2008
7461707 Electric horizontal directional drilling machine system Dec. 9, 2008
7422076 Autoreaming systems and methods Sep. 9, 2008

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