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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/323
Name: Boring or penetrating the earth > With tool shaft detail > Helix or helically arranged structure
Description: Apparatus including structure other than the structure of a bit providing a helix or portions arranged in a helical manner.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8662795 Head for injecting consolidating pressurised fluid mixtures into the ground Mar. 4, 2014
8607900 Downhole tool engaging a tubing string between a drill bit and tubular for reaming a wellbore Dec. 17, 2013
8584744 Debris chamber with helical flow path for enhanced subterranean debris removal Nov. 19, 2013
8506207 Helical screw pile Aug. 13, 2013
8443918 Excavation and compaction equipment for the construction of screw piles May. 21, 2013
8434570 Drill packer member, drill pipe, and corresponding drill pipe string May. 7, 2013
8424618 Auger boring machine Apr. 23, 2013
8418784 Central cutting region of a drilling head assembly Apr. 16, 2013
8347505 Method for fabricating a cylindrical spring by compressive force Jan. 8, 2013
8336645 Drilling cuttings mobilizer and method for use Dec. 25, 2012
8297379 Systems and methods for providing a gearless drilling turbine Oct. 30, 2012
8196681 Earth boring device Jun. 12, 2012
8191655 Apparatus and method for reaming a wellbore during the installation of a tubular string Jun. 5, 2012
8167059 Casing and liner drilling shoes having spiral blade configurations, and related methods May. 1, 2012
7954566 Stabilizer for drill strings Jun. 7, 2011
7946355 Auger assembly May. 24, 2011
7913777 Rock drill Mar. 29, 2011
7849938 Ground augering assembly Dec. 14, 2010
7814996 Spiral ribbed aluminum drillpipe Oct. 19, 2010
7806204 Sonic drill rod with external surface features Oct. 5, 2010
7779938 Swivel for use in installing large diameter casing Aug. 24, 2010
7775300 Earth drilling device Aug. 17, 2010
7748479 Box gusseted earth auger Jul. 6, 2010
7699119 Auger quick coupler Apr. 20, 2010
7677336 Portable drilling device Mar. 16, 2010
7669673 Auger having interchangeable cutting heads and method of using the same Mar. 2, 2010
7661489 Roller reamer Feb. 16, 2010
7641001 Auger Jan. 5, 2010
7631705 Enhanced screen auger sampling system Dec. 15, 2009
7628232 Rotary-percussion drill with a four-start helical shaft Dec. 8, 2009
7591329 Auger with a movable gouge for making a borehole Sep. 22, 2009
7578360 Dynamic damper for use in a drill string Aug. 25, 2009
7575069 Mobile soil sampling device with vacuum collector Aug. 18, 2009
7555854 Earth auger head and excavation method Jul. 7, 2009
7546887 Method and device for producing a borehole in the soil Jun. 16, 2009
7540341 Drill bit Jun. 2, 2009
7493949 Flow through subassembly for a downhole drill string and method for making same Feb. 24, 2009
7455113 Downhole impeller device Nov. 25, 2008
7401667 Multi-purpose drilling tool Jul. 22, 2008
7395880 Mortar removal drill bit system Jul. 8, 2008
7389831 Dual-member auger boring system Jun. 24, 2008
7383881 Stabiliser, jetting and circulating tool Jun. 10, 2008
7377339 System and method for damping vibration in a drill string May. 27, 2008
7367412 Collapsible rock head May. 6, 2008
7357200 Earth auger Apr. 15, 2008
7353891 Systems and methods for the installation of earth anchors Apr. 8, 2008
7261169 Shank for a rotary/percussion tool Aug. 28, 2007
7258178 Auger planter Aug. 21, 2007
7252150 Downhole tool Aug. 7, 2007
7225881 Passive logging sonde auger tool Jun. 5, 2007

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