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Class Information
Number: 405/237
Name: Hydraulic and earth engineering > Foundation > Columnar structure (e.g., pier, pile) > Process or apparatus for installing > Casting in situ hardenable fluent material > Forming subsurface enlargement
Description: Method or apparatus in which the configuration of the formed in situ member is such that a cross-sectional area below the surface in which the member is being formed will be greater than the cross-sectional area at the surface (e.g., the formation of a subsurface bulb or bulge).










Sub-classes under this class:

Class Number Class Name Patents
405/238 Preformed enlargement cavity 13


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8596922 Systems and methods for inserting and securing foundation members using a combination of jets and fluidized concrete Dec. 3, 2013
8074740 Method and system for installing cast-in-place concrete piles with a sonic drill and a removable or retrievable drill bit Dec. 13, 2011
7651302 Method of enhanced end bearing capacity via post construction preload/reload Jan. 26, 2010
7621098 Segmented foundation installation apparatus and method Nov. 24, 2009
7201540 Construction process for composite pile foundation Apr. 10, 2007
7004684 Method for construction of piers in soil and a pier construction Feb. 28, 2006
6854536 Pile reamer with spoil container Feb. 15, 2005
6685398 Method to form in-situ pilings with diameters that can differ from axial station to axial station Feb. 3, 2004
6652195 Method and apparatus for forming piles in place Nov. 25, 2003
6435776 Method and apparatus for forming piles in place Aug. 20, 2002
6402432 Method for installing load bearing piles utilizing a tool with blade means Jun. 11, 2002
6354766 Methods for forming a short aggregate pier and a product formed from said methods Mar. 12, 2002
6264402 Method and apparatus for forming piles in place Jul. 24, 2001
6217260 Downhole reamer with double acting dual piston cylinder Apr. 17, 2001
5908268 Method of making a hole for a foundation pile Jun. 1, 1999
5797704 Pier foundation and method of installation Aug. 25, 1998
5785459 Prefabricated form for molding a footing of a settable structural material Jul. 28, 1998
5707180 Method and apparatus for forming piles in-situ Jan. 13, 1998
5669736 Multi-level support cast foundation resist pile Sep. 23, 1997
5575593 Method and apparatus for installing a helical pier with pressurized grouting Nov. 19, 1996
5560739 Method of forming a modified ground in an earthen foundation Oct. 1, 1996
5503501 Excavator and a method of forming a modified ground in an earthen foundation with the use of the same Apr. 2, 1996
5494378 Piling apparatus Feb. 27, 1996
5399056 Method for controlling a final pile diameter in a cast-in-place of solidification pile Mar. 21, 1995
5279502 Apparatus and method for constructing compacted granular or stone columns in soil masses Jan. 18, 1994
5256004 Method of forming consolidated earth columns by injection and the relevant plant and column Oct. 26, 1993
5219246 Drills for piles and soil stabilization, and drilling method Jun. 15, 1993
5219247 Method of forming consolidating earth columns by injection, the relevant plant with double chamber pneumatic hammer boring drill and the resulting column Jun. 15, 1993
5219249 Reinforced concrete load-bearing pile forming device Jun. 15, 1993
5160220 Method of improving ground of large area Nov. 3, 1992
5122013 Reinforced concrete load-bearing pile with multi-branches and enlarged footings, and means and method for forming the pile Jun. 16, 1992
5100262 Expanding base deep foundation system Mar. 31, 1992
4992002 Apparatus for forming in-ground concrete pilings Feb. 12, 1991
4906141 Method of anchoring a prefabricated pile into the ground and pile for carrying out this method Mar. 6, 1990
4882891 Anchoring and foundation support apparatus having moment resisting vanes and method Nov. 28, 1989
4874046 Groove cutter for concrete bores Oct. 17, 1989
4843785 Anchoring and foundation support apparatus and method Jul. 4, 1989
4808038 Method for installing a hollow closed bottom pile Feb. 28, 1989
4708529 Method in the installation of piles and apparatus for carrying out the method Nov. 24, 1987
4685834 Splay bottom fluted metal piles Aug. 11, 1987
4678373 Apparatus for and method of shoring a structure Jul. 7, 1987
4661021 Expansion body Apr. 28, 1987
4648220 Supporting member Mar. 10, 1987
4640649 Method and apparatus for forming an underground solidification structure Feb. 3, 1987
4624606 Foundation improvement process and apparatus thereof Nov. 25, 1986
4619558 Apparatus for producing in-situ concreted piles with enlarged bases Oct. 28, 1986
4605339 Situ pile construction in ground liable to uplift Aug. 12, 1986
4571126 Expansion body Feb. 18, 1986
4547106 Ground anchors Oct. 15, 1985
4544515 Method for producing in-situ concreted piles with enlarged bases Oct. 1, 1985

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