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Class Information
Number: 405/231
Name: Hydraulic and earth engineering > Foundation > Columnar structure (e.g., pier, pile)
Description: Method or apparatus wherein the stable base comprises a rigid member having a limited closed periphery and which is greatly elongated relative to any lateral dimension.










Sub-classes under this class:

Class Number Class Name Patents
405/250 Comprising series of connected longitudinal sections having diverse compositions 20
405/256 Concrete 74
405/252.1 Pile having screw threads 39
405/232 Process or apparatus for installing 498
405/253 With driving or cutting tip 78
405/255 With end cap 45
405/251 With joint or connection between sections of similar material 102


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8662206 Apparatus and method for making boreholes in the ground, the cross sections of which boreholes partially intersect Mar. 4, 2014
8632276 Implement for processing, particularly sealing, ground surfaces under water, particularly bottoms and embankments of waterways, particularly canals, a method for setting up the same, a method Jan. 21, 2014
8556541 Pile driver for use in a confined space with limited head room Oct. 15, 2013
8511021 Structural cap with composite sleeves Aug. 20, 2013
8506206 Composite pile formed of interconnected rigid hollow tubes Aug. 13, 2013
8500368 Underpinning pile assembly and process for installing such pile assembly Aug. 6, 2013
8500371 Interfitting tubular members Aug. 6, 2013
8262322 Pile with integral geothermal conduit loop retaining means Sep. 11, 2012
8226326 Arctic platform Jul. 24, 2012
8109057 Tower foundation system Feb. 7, 2012
8096732 Methods and apparatus for foundation system Jan. 17, 2012
8070391 Systems and methods for handling piles Dec. 6, 2011
8066452 Equipment and method for constructing micropiles in soil, in particular for the anchorage of active anchors Nov. 29, 2011
7975438 Joining device for hybrid wind turbine towers Jul. 12, 2011
7967531 Method of raising a building Jun. 28, 2011
7914235 Methods and apparatus for foundation system Mar. 29, 2011
7866922 Equipment and method for constructing micropiles in soil, in particular for the anchorage of active anchors Jan. 11, 2011
7854571 Systems and methods for handling piles Dec. 21, 2010
7811032 Methods and devices for ground stabilization Oct. 12, 2010
7775746 PHC pile used in permanent retaining wall structure and connection method of PHC pile Aug. 17, 2010
7735273 Poured concrete column hole Jun. 15, 2010
7731454 Method for placing reinforced concrete piling without utilizing a pile driver or an auger Jun. 8, 2010
7665931 Pier construction support system Feb. 23, 2010
7640703 Demountable and reusable canopy Jan. 5, 2010
7621098 Segmented foundation installation apparatus and method Nov. 24, 2009
7614829 Extendible building post Nov. 10, 2009
7556454 Irregularly surfaced H pile Jul. 7, 2009
7510350 Helical anchor with hardened coupling sections Mar. 31, 2009
7500807 Method of construction using sheet piling sections Mar. 10, 2009
7470091 Assembly and method for protecting a pier and a post combination Dec. 30, 2008
7419335 Wall support system Sep. 2, 2008
7241079 Pier Jul. 10, 2007
7200973 Wire reinforced thermoplastic coating Apr. 10, 2007
7114886 Structural helical pile Oct. 3, 2006
7094003 Bracket assembly for lifting and supporting a foundation Aug. 22, 2006
7090440 Method and device for stabilizing slopes Aug. 15, 2006
7073980 Piling Jul. 11, 2006
7048473 Vibration-proof construction method May. 23, 2006
7018139 Structural helical pile Mar. 28, 2006
7004683 Helice pierhead mounting plate and bolt assembly Feb. 28, 2006
6994493 Pile driving system and pile for engagement with said system Feb. 7, 2006
6966727 Apparatus for and method of installing segmented concrete pilings in new construction Nov. 22, 2005
6942428 Conductor polymer backfill composition and method of use as a reinforcement material for utility poles Sep. 13, 2005
6910832 Surface structures and methods thereof Jun. 28, 2005
6908261 Conductor polymer backfill composition and method of use as a reinforcement material for utility poles Jun. 21, 2005
6908262 Systems and methods for driving large diameter caissons Jun. 21, 2005
6881012 Foundation repair system and method of installation Apr. 19, 2005
6820379 Apparatus and method for positioning and fixing beams with ground dowels Nov. 23, 2004
6749371 Pile guide Jun. 15, 2004
6685399 High-aseismic reinforced concrete pier using unbonded high-strength core member Feb. 3, 2004

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