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Class Information
Number: 175/220
Name: Boring or penetrating the earth > With above-ground guide for relatively advancing tool
Description: Apparatus including a means located outside the bore entrance which is adapted to remain relatively axially stationary and pilot or direct a tool or means actuating or supporting a tool, as the tool advances during the boring operation.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8602123 Spindrill Dec. 10, 2013
8584774 Traveling and locking centralizer Nov. 19, 2013
8573329 Rotation inhibiting apparatus Nov. 5, 2013
8393416 Drilling rig and mounting method therefor Mar. 12, 2013
8305229 System for wireless communication along a drill string Nov. 6, 2012
8167519 Portable coring machine May. 1, 2012
8113299 Drill mast articulation assembly Feb. 14, 2012
8002048 Drilling implement and method for operating a drilling implement Aug. 23, 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
7896099 Upper beam for a telescopic feeder, telescopic feeder and drilling device for rock drilling Mar. 1, 2011
7841415 Iron roughneck extension systems Nov. 30, 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
7828087 Rocket rig drilling apparatus Nov. 9, 2010
7814994 Drill rod support, and drill rod support half Oct. 19, 2010
7779904 Guide rail plate for top drive of a drilling system Aug. 24, 2010
7748477 Boring system and method therefor Jul. 6, 2010
7743853 Top drive drilling apparatus Jun. 29, 2010
7717196 Angle drilling device May. 18, 2010
7712545 Telescopic feed beam for rock drill May. 11, 2010
7658242 Hole coring system with lever arm Feb. 9, 2010
7632381 Systems for providing continuous containment of delayed coker unit operations Dec. 15, 2009
7617888 Pilot tube system and attachment mechanism for auger boring machine Nov. 17, 2009
7581600 Method of forming a trenchless flowline Sep. 1, 2009
7559380 Traveling swivel frame assembly with fixed brackets Jul. 14, 2009
7487576 Composite track, column and other supports, including for machinery Feb. 10, 2009
7438143 Track-mounted drilling machine with active suspension system Oct. 21, 2008
7377335 Method and apparatus for movement of drilling equipment between adjacent locations May. 27, 2008
7347285 Drilling machine having a movable rod handling device and a method for moving the rod handling device Mar. 25, 2008
7325634 Track-mounted drilling machine with active suspension system Feb. 5, 2008
7320374 Wellbore top drive systems Jan. 22, 2008
7308954 Rotating diverter head Dec. 18, 2007
7231969 Wellbore top drive power systems and methods of use Jun. 19, 2007
7222683 Wellbore top drive systems May. 29, 2007
7188686 Top drive systems Mar. 13, 2007
7185708 Coiled tubing/top drive rig and method Mar. 6, 2007
7182140 Coiled tubing/top drive rig and method Feb. 27, 2007
7055624 Guide rail system for a power tool Jun. 6, 2006
6913097 Transportation, storage, and installation system for rig utilities Jul. 5, 2005
6880453 Displacement device Apr. 19, 2005
6860343 Drill rod holder Mar. 1, 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
6736225 Guide for attachment to a roof bolter to allow for core drilling May. 18, 2004
6675915 Drilling machine having a rotary head guide Jan. 13, 2004
6672410 Drilling machine having a feed cable tensioner Jan. 6, 2004
6637525 Ground drilling machine and rod exchanger utilized therefor Oct. 28, 2003
6510908 Blasthole drill with rotary head carriage resiliently held on a mast Jan. 28, 2003

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