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Class Information
Number: 175/21
Name: Boring or penetrating the earth > Boring without earth removal (i.e., compacting earth formation) > Fluid passage to exterior of drive point
Description: Subject matter relating to conducting fluid through the drive point to the exterior thereof, generally to lubricate or treat the earth formation.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8672058 Method for repairing aberrations along a drill bore wall Mar. 18, 2014
8640781 Method and device for deploying a cable and an apparatus in the ground Feb. 4, 2014
8191650 Hydrating drive shoe Jun. 5, 2012
8061441 Autonomous excavating apparatus Nov. 22, 2011
7874766 Jet-mixing method and jet-mixing apparatus Jan. 25, 2011
7527109 Locating apparatus and system May. 5, 2009
7343985 Bit balling treatment Mar. 18, 2008
7234538 Method for sinking a borehole in the ground and wet boring tool Jun. 26, 2007
7108080 Method and apparatus for drilling a borehole with a borehole liner Sep. 19, 2006
6918452 Drill string shutoff valve Jul. 19, 2005
6604579 Pressure activated injection probe Aug. 12, 2003
6568881 Jet head device for sinking pilings May. 27, 2003
6520271 Fluid powered rotary drilling assembly Feb. 18, 2003
6485234 Apparatus and method for making cylindrical columns Nov. 26, 2002
6209660 Drill bit shear relief for horizontal directional drilling of rock formations Apr. 3, 2001
6161636 Boring head and bit protective collar Dec. 19, 2000
6098448 In situ measurement apparatus and method of measuring soil permeability and fluid flow Aug. 8, 2000
6079906 Method for making foundation piling with drilling machines Jun. 27, 2000
6012536 Method for steering a ground-drilling machine Jan. 11, 2000
6009958 Soil sampling apparatus and a geological observation method using the same Jan. 4, 2000
5819850 Geotechnical grouting device and method Oct. 13, 1998
5811741 Apparatus for placing geophones beneath the surface of the earth Sep. 22, 1998
5803184 Rotatable drill pipe having an auger on a free end thereof Sep. 8, 1998
5735356 Well boring method and apparatus Apr. 7, 1998
5698799 Zone isolator module for use on a penetrometer Dec. 16, 1997
5697733 Centrifugal force vibration apparatus and system Dec. 16, 1997
5695014 Ram boring apparatus Dec. 9, 1997
5570748 Drill bit for geological exploration Nov. 5, 1996
5548991 Permeameter probe Aug. 27, 1996
5503031 Ground water sampling device Apr. 2, 1996
5488999 Drill bit for geological exploration Feb. 6, 1996
5435176 Hazardous waste characterizer and remediation method and system Jul. 25, 1995
5402855 Coiled tubing tools for jet drilling of deviated wells Apr. 4, 1995
5377551 Probe for penetrating and displacing particularly into a mass of pulverulent material Jan. 3, 1995
5377770 Apparatus for improving impact tool lubrication Jan. 3, 1995
5353883 Drilling tool of the displacing type Oct. 11, 1994
5327981 Ground water sampling device Jul. 12, 1994
5327980 Drill head Jul. 12, 1994
5322134 Drill head Jun. 21, 1994
5301758 Method and apparatus for enlarging a bore hole Apr. 12, 1994
5301561 Method and apparatus for taking a fluid sample Apr. 12, 1994
5176219 Method of sealing holes in the ground Jan. 5, 1993
5168765 Water sampler Dec. 8, 1992
5150622 Vapor probe for soil gas vapor sampler Sep. 29, 1992
5146998 Apparatus and method for underground sampling Sep. 15, 1992
5145015 Well point Sep. 8, 1992
5135058 Crane-mounted drill and method for in-situ treatment of contaminated soil Aug. 4, 1992
5133269 Plant hole digger with cylindrical cutter Jul. 28, 1992
5119889 Tunneling drill bit Jun. 9, 1992
5111891 Boring head for a subsurface soil-boring apparatus May. 12, 1992

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