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Class Information
Number: 175/162
Name: Boring or penetrating the earth > With above-ground means to feed tool
Description: Apparatus including a means necessarily located above ground which functions to feed the tool in the boring operation.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8672059 Permanent magnet direct drive drawworks Mar. 18, 2014
8662160 Systems and conveyance structures for high power long distance laser transmission Mar. 4, 2014
8640767 Push / pull system and support structure for snubbing unit on a rig floor Feb. 4, 2014
8631898 Method for attaching protective structure to feed beam, and protective structure in rock drilling rig Jan. 21, 2014
8632275 Excavation machine with a pivotable kelly bar Jan. 21, 2014
8584773 Simultaneous tubular handling system and method Nov. 19, 2013
8573329 Rotation inhibiting apparatus Nov. 5, 2013
8556003 Split sub-basement drill rig Oct. 15, 2013
8534386 Articulated apparatus for handling a drilling tool Sep. 17, 2013
8499858 Modular top drive lubrication system and methods Aug. 6, 2013
8453762 Regenerative drive mechanism for hydraulic feed cylinders in hydrostatic or hydraulic circuits Jun. 4, 2013
8443916 Hose tensioner for a rock drill system May. 21, 2013
8430175 Equipment for intercepting and diverting a liquid circulation flow Apr. 30, 2013
8397801 System, method and apparatus for conducting earth borehole operations Mar. 19, 2013
8393416 Drilling rig and mounting method therefor Mar. 12, 2013
8327927 Apparatus and method for performing earth borehole operations Dec. 11, 2012
8281877 Method and apparatus for drilling with casing Oct. 9, 2012
8267202 Feed chain automatic tensioner Sep. 18, 2012
8186455 Simultaneous tubular handling system and method May. 29, 2012
8181721 Torque track and slide assembly May. 22, 2012
8177023 Sound dampening housing for rock drill May. 15, 2012
8167519 Portable coring machine May. 1, 2012
8151909 Modular top drive lubrication system and methods Apr. 10, 2012
8074710 System for conducting earth borehole operations Dec. 13, 2011
8061449 Housing arrangement Nov. 22, 2011
8047303 Drilling rig drawworks installation Nov. 1, 2011
8033345 Apparatus and method for a drilling assembly Oct. 11, 2011
7938198 Rotary digging and compression enlarging driller and boring method May. 10, 2011
7931077 Top drive drilling apparatus Apr. 26, 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
7905300 Drilling device and drilling method utilizing dual drives Mar. 15, 2011
7845398 Apparatus for performing earth borehole operations Dec. 7, 2010
7841415 Iron roughneck extension systems Nov. 30, 2010
7836972 Mobile soil sampling device with vacuum collector Nov. 23, 2010
7828085 Modular top drive Nov. 9, 2010
7828086 Guide rail system for a telescoping mast on a drilling rig Nov. 9, 2010
7828087 Rocket rig drilling apparatus Nov. 9, 2010
7802636 Simultaneous tubular handling system and method Sep. 28, 2010
7753141 Coiled tubing drilling system Jul. 13, 2010
7753142 Drilling unit Jul. 13, 2010
7743853 Top drive drilling apparatus Jun. 29, 2010
7730973 Housing arrangement for a drill rig Jun. 8, 2010
7717196 Angle drilling device May. 18, 2010
7699125 Worm and collar drive drill rig Apr. 20, 2010
7677337 Construction device, in particular drilling device Mar. 16, 2010
7658242 Hole coring system with lever arm Feb. 9, 2010
7654313 Method and assembly for casing handling using a kelly rig Feb. 2, 2010
7637329 Methods and systems for drilling auxiliary holes Dec. 29, 2009
7600585 Coiled tubing drilling rig Oct. 13, 2009
7584809 Mobile transport rig with four axels Sep. 8, 2009

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