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Class Information
Number: 405/256
Name: Hydraulic and earth engineering > Foundation > Columnar structure (e.g., pier, pile) > Concrete
Description: Elongated member composed of concrete, plain or reinforced.










Sub-classes under this class:

Class Number Class Name Patents
405/257 With form or casing 55


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8596921 Interlocking ballast block Dec. 3, 2013
8578678 Methods for installing a thrower's circle Nov. 12, 2013
8511020 Composite cap Aug. 20, 2013
8322093 Base support for wind-driven power generators Dec. 4, 2012
7993079 Device and method for a tower reinforcing foundation Aug. 9, 2011
7618217 Post-tension pile anchor foundation and method therefor Nov. 17, 2009
7306405 Boring appliance Dec. 11, 2007
7267510 Foundation pile having a spiral ridge Sep. 11, 2007
7175368 Method and test setup for determining the bearing behaviour of displacement piles Feb. 13, 2007
7040842 Method and device for making a foundation member May. 9, 2006
6966727 Apparatus for and method of installing segmented concrete pilings in new construction Nov. 22, 2005
6964139 Precast concrete column for use in post-frame construction Nov. 15, 2005
6942429 Post-stressed pile Sep. 13, 2005
6869255 Post-stressed pile Mar. 22, 2005
6799924 Segmented concrete piling assembly with steel connecting rods Oct. 5, 2004
6742555 Device and method for producing columns of materials in the ground of bodies of water Jun. 1, 2004
6742965 Erosion control and bulkhead apparatus Jun. 1, 2004
6702522 Foundation for a tower and a method for its deployment on site Mar. 9, 2004
6685399 High-aseismic reinforced concrete pier using unbonded high-strength core member Feb. 3, 2004
6672023 Perimeter weighted foundation for wind turbines and the like Jan. 6, 2004
6663321 Process and device for producing a pile in the earth Dec. 16, 2003
6641333 Method of forming enlarged pile heads Nov. 4, 2003
6543967 Staggered rebar for concrete pilings Apr. 8, 2003
6527481 Cylindrical steel core caisson Mar. 4, 2003
6478512 Machine for making bored piles Nov. 12, 2002
6471446 Reduced skin friction bore casing Oct. 29, 2002
6394703 Formation of capping beams for piles May. 28, 2002
6382879 Pile and method thereof May. 7, 2002
6382878 Multi-sectioned concrete support structure and method of manufacture May. 7, 2002
6371698 Post stressed pier Apr. 16, 2002
6241426 Method for forming an interconnected underground structure Jun. 5, 2001
6123485 Pre-stressed FRP-concrete composite structural members Sep. 26, 2000
5934835 Prestressing concrete foundation pile having a single prestressing strand Aug. 10, 1999
5931604 Reduced skin friction driven pile Aug. 3, 1999
5909984 Pile forming system and method of using the same Jun. 8, 1999
5826387 Pier foundation under high unit compression Oct. 27, 1998
5797705 Method for manufacturing a tubular foundation in the ground Aug. 25, 1998
5788419 Pre-cast prestressed concrete foundation pile and associated installation components Aug. 4, 1998
5772363 Piling remover Jun. 30, 1998
5582899 Concrete surface with early cut grooves Dec. 10, 1996
5542785 Rebar cage wheel spacer centralizer system for drilled shafts Aug. 6, 1996
5533835 Railroad crossing signal foundation and method of producing and erecting the same Jul. 9, 1996
5466407 Incineration residue treatment process Nov. 14, 1995
5466407 Incineration residue treatment process Nov. 14, 1995
5429455 Integrated column and pile Jul. 4, 1995
5423634 Hydraulic composition and process for producing concrete pile using the same Jun. 13, 1995
5320452 Cast-in-place concrete pile and method of constructing the same in the ground Jun. 14, 1994
5320453 Composite sectional concrete piles Jun. 14, 1994
5304015 Pile grabber apparatus Apr. 19, 1994
5234288 Integrated column and pile Aug. 10, 1993

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