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Class Information
Number: 175/113
Name: Boring or penetrating the earth > With means to simultaneously feed and rotate tool from a single mechanical element
Description: Apparatus including means by which a boring tool is simultaneously rotated and fed along the boring axis by a drive originating from one mechanical movement.

Sub-classes under this class:

Class Number Class Name Patents
175/114 Constant rotation rate permitted regardless of (1) release of feed force, or (2) change in feed rate 4
175/121 Rotary drive for relatively advancing feed screw 15
175/118 With feed anchor in earth wall being bored 5

Patents under this class:
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Patent Number Title Of Patent Date Issued
8607898 Force compensator for top drive assembly Dec. 17, 2013
8381840 Method of protecting a top drive drilling assembly and a top drive drilling assembly modified in accordance with this method Feb. 26, 2013
8146678 Rock drilling apparatus and method for controlling rock drilling apparatus Apr. 3, 2012
8113299 Drill mast articulation assembly Feb. 14, 2012
7975771 Method for running casing while drilling system Jul. 12, 2011
7921939 Method for using a top drive with an air lift thread compensator and a hollow cylinder rod providing minimum flexing of conduit Apr. 12, 2011
7905299 Articulation assembly for moving a drill mast Mar. 15, 2011
7896108 Dual string orbital drilling system Mar. 1, 2011
7845418 Top drive torque booster Dec. 7, 2010
7832496 Deep-hole boring machine and deep-hole boring guide device Nov. 16, 2010
7828086 Guide rail system for a telescoping mast on a drilling rig Nov. 9, 2010
7644785 Geothermal heat loop installation Jan. 12, 2010
7607498 Assembly and method for discharging fluid into a drill string of a rotary-vibratory drill Oct. 27, 2009
7581460 Drive assembly Sep. 1, 2009
7513300 Casing running and drilling system Apr. 7, 2009
7493970 Shock mounted top drive Feb. 24, 2009
7487848 Multi-seal for top drive shaft Feb. 10, 2009
7472762 Top drive oil flow path seals Jan. 6, 2009
7469755 Method and apparatus for drilling and servicing subterranean wells with rotating coiled tubing Dec. 30, 2008
7461707 Electric horizontal directional drilling machine system Dec. 9, 2008
7431105 Geothermal heat loop installation Oct. 7, 2008
7328757 All terrain vehicle powered mobile drill Feb. 12, 2008
7322406 Elevation sensor for a service hose and an apparatus for positioning and stabbing well tubulars Jan. 29, 2008
7320374 Wellbore top drive systems Jan. 22, 2008
7228920 Drilling apparatus and method for introducing a drilling element into the soil Jun. 12, 2007
7191840 Casing running and drilling system Mar. 20, 2007
7191853 Hole cleaning and/or forming tool Mar. 20, 2007
7100709 Feed table pivot pin constraining device Sep. 5, 2006
7090035 Method and system for connecting pipe to a top drive motor Aug. 15, 2006
7070359 Microtunneling systems and methods of use Jul. 4, 2006
6994174 Washpipe assembly Feb. 7, 2006
6978830 Downhole latch Dec. 27, 2005
6957707 Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence Oct. 25, 2005
6845825 Method and apparatus for attaching/detaching drill rod Jan. 25, 2005
6814161 Stakedown assembly for a horizontal directional drill Nov. 9, 2004
6799647 Earth drilling and boring system Oct. 5, 2004
6725949 Washpipe assembly Apr. 27, 2004
6536520 Top drive casing system Mar. 25, 2003
6408956 Feed system for a rotary drill tower Jun. 25, 2002
6364034 Directional drilling apparatus Apr. 2, 2002
6267187 Boring apparatus with coupling for rapid connection of drill string segments Jul. 31, 2001
6234260 Mobile drilling apparatus May. 22, 2001
6202274 Arrangement for fastening a piston-cylinder arrangement and method for replacing sealings therein Mar. 20, 2001
6199656 Casing for noise attenuation in a rock drilling rig Mar. 13, 2001
6079906 Method for making foundation piling with drilling machines Jun. 27, 2000
5996710 Drilling device Dec. 7, 1999
5803189 Directional boring machine Sep. 8, 1998
5797465 Multi-shaft drilling unit Aug. 25, 1998
5450914 Fluid powered stepping motor for rotating a downhole assembly relative to a supporting pipe string Sep. 19, 1995
5388651 Top drive unit torque break-out system Feb. 14, 1995

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