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Class Information
Number: 405/253
Name: Hydraulic and earth engineering > Foundation > Columnar structure (e.g., pier, pile) > With driving or cutting tip
Description: Method or apparatus relating to the provision of means at the lower end of the elongated member to facilitate penetration of the member into the earth when an external force is applied to said member.

Sub-classes under this class:

Class Number Class Name Patents
405/254 Longitudinally ribbed 11

Patents under this class:
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Patent Number Title Of Patent Date Issued
8511941 Device and method for drilling and compacting ground Aug. 20, 2013
8506207 Helical screw pile Aug. 13, 2013
8157482 Anchor system Apr. 17, 2012
8079781 Push pier assembly with hardened coupling sections Dec. 20, 2011
8033757 Auger grouted displacement pile Oct. 11, 2011
7950876 Socket wrench attachment for rotary drive member May. 31, 2011
7874766 Jet-mixing method and jet-mixing apparatus Jan. 25, 2011
7815399 Method of mechanized construction for earth wire under-bracing and extendable excavating unit for auger crane Oct. 19, 2010
7736095 Pile assembly for engineering and construction works Jun. 15, 2010
7607865 System and method for raising and supporting a building and connecting elongated piling sections Oct. 27, 2009
7594782 Integral retaining foot for rammed post or pole Sep. 29, 2009
7377723 Systems and methods for the installation of earth anchors May. 27, 2008
7314335 Anchor pile apparatus and method of installation Jan. 1, 2008
7131505 Drilling with concentric strings of casing Nov. 7, 2006
7114886 Structural helical pile Oct. 3, 2006
7112012 Piling apparatus and method of installation Sep. 26, 2006
7090435 Method and apparatus for raising, leveling, and supporting displaced foundation allowing for readjustment after installation Aug. 15, 2006
7073980 Piling Jul. 11, 2006
7037045 Modular tubular helical piering system May. 2, 2006
7018139 Structural helical pile Mar. 28, 2006
6951437 Foundation support system and method Oct. 4, 2005
6942430 Rotary driver for pipe piling Sep. 13, 2005
6881014 Screwed steel pile and method of construction management therefor Apr. 19, 2005
6817810 Piering device with adjustable helical plate Nov. 16, 2004
6814525 Piling apparatus and method of installation Nov. 9, 2004
6682267 Piering device with adjustable helical plate Jan. 27, 2004
6675919 Tubular piling apparatus and method Jan. 13, 2004
6592300 Pile apparatus and construction process of placing concrete pile in ground Jul. 15, 2003
6568881 Jet head device for sinking pilings May. 27, 2003
6540444 Rotating pile for undergrounding Apr. 1, 2003
6536993 Pile and method for installing same Mar. 25, 2003
6468003 Composite pile with tapering lower portion and method for driving pile into granular soil Oct. 22, 2002
6409432 Downhole hammer-type core barrel and method of using same Jun. 25, 2002
6394704 Screwed steel pile and method of construction management therefor May. 28, 2002
6368021 Pile and method for installing same Apr. 9, 2002
6352391 Piering device having a threaded shaft and helical plate Mar. 5, 2002
6309143 Composite pile with tapering lower portion and method for driving pile into granular soil Oct. 30, 2001
6234719 Mobile combined drilling and piling machine and method for tubular foundation with machine May. 22, 2001
6183167 Pipe pier system Feb. 6, 2001
6168350 Method and apparatus for forming enlarged pile heads Jan. 2, 2001
6079906 Method for making foundation piling with drilling machines Jun. 27, 2000
6047505 Expandable base bearing pile and method of bearing pile installation Apr. 11, 2000
5975808 Pile or pile assembly for engineering and construction works Nov. 2, 1999
5797705 Method for manufacturing a tubular foundation in the ground Aug. 25, 1998
5730555 Ground anchor Mar. 24, 1998
5575122 Earth screw anchor assembly having enhanced penetrating capability Nov. 19, 1996
5505561 Self-piloting compressible piling Apr. 9, 1996
RE35133 Channel sign post socket and method of installing sign post Dec. 26, 1995
5423633 Piling apparatus adapted to be provided in a tube Jun. 13, 1995
5408788 Hollow hub helical earth anchor with improved earth penetrating spade/pilot point Apr. 25, 1995

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