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Class Information
Number: 175/122
Name: Boring or penetrating the earth > With means to feed drive
Description: Apparatus including a means to feed the tool drive means.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8443916 Hose tensioner for a rock drill system May. 21, 2013
8418783 Boom arrangement for a rock drill and rock drill rig Apr. 16, 2013
8371397 Feed mechanism for drilling systems Feb. 12, 2013
8336614 Movable rotary well drilling rig Dec. 25, 2012
8267202 Feed chain automatic tensioner Sep. 18, 2012
8167519 Portable coring machine May. 1, 2012
8146681 Drilling tool and drilling method Apr. 3, 2012
8047306 Top drive drilling system and other applications using a low speed direct drive AC motor Nov. 1, 2011
7905300 Drilling device and drilling method utilizing dual drives Mar. 15, 2011
7836972 Mobile soil sampling device with vacuum collector Nov. 23, 2010
7712545 Telescopic feed beam for rock drill May. 11, 2010
7699125 Worm and collar drive drill rig Apr. 20, 2010
7654313 Method and assembly for casing handling using a kelly rig Feb. 2, 2010
7644785 Geothermal heat loop installation Jan. 12, 2010
7537066 Automatic driller May. 26, 2009
7500531 Low speed AC motor for direct drive applications Mar. 10, 2009
7497274 Hydraulic fluid tank for drilling machine Mar. 3, 2009
7431105 Geothermal heat loop installation Oct. 7, 2008
7416033 Instrumented drill head, related drilling/bolting machines, and methods Aug. 26, 2008
7347285 Drilling machine having a movable rod handling device and a method for moving the rod handling device Mar. 25, 2008
7316280 Method for producing earth boreholes Jan. 8, 2008
7308953 Mobile drilling rig Dec. 18, 2007
7306055 Automatic method for installing mobile drilling rig at a drilling site Dec. 11, 2007
7278498 Rotatable support for inclinable masts of drilling machines Oct. 9, 2007
7188683 Drilling method Mar. 13, 2007
7143845 Drilling apparatus with anti-vibration inertial body Dec. 5, 2006
7134513 Drive mechanism for boring machine Nov. 14, 2006
6763898 Dual hoist system Jul. 20, 2004
6675915 Drilling machine having a rotary head guide Jan. 13, 2004
6672410 Drilling machine having a feed cable tensioner Jan. 6, 2004
6615931 Continuous feed drilling system Sep. 9, 2003
6533045 Portable drilling rig Mar. 18, 2003
6481930 Apparatus and method for inserting and removing a flexible first material into a second material Nov. 19, 2002
6464020 Apparatus and method to drill and lift core-drilled specimens from an aggregate medium Oct. 15, 2002
6446738 Blasthole drill including an improved operator's cab Sep. 10, 2002
6276464 Stake coupler for a horizontal directional drill Aug. 21, 2001
6267187 Boring apparatus with coupling for rapid connection of drill string segments Jul. 31, 2001
6263985 Drilling machine with changeable drive unit Jul. 24, 2001
6257349 Top head drive and mast assembly for drill rigs Jul. 10, 2001
6189628 Earth borer system with drill-rod changer Feb. 20, 2001
6131674 Gripping apparatus for resisting sliding of drilling machine Oct. 17, 2000
6109831 Underground boring and pipe installation Aug. 29, 2000
6047782 Assembly and method for extracting discrete soil samples Apr. 11, 2000
5964306 Auger earth boring machine with improved efficiency and safety Oct. 12, 1999
5941320 Directional boring machine Aug. 24, 1999
5873421 Tool for installing a pipeline under a structure Feb. 23, 1999
5868211 Ball and socket mounted hydraulic posthole digger and method for using the same Feb. 9, 1999
5803189 Directional boring machine Sep. 8, 1998
5778990 Arrangement in a hydraulically operated rock drilling equipment Jul. 14, 1998
5709276 Multi-position directional drill Jan. 20, 1998

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