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Class Information
Number: 405/126
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Culvert > Serially connected segments
Description: Method or apparatus wherein the culvert is comprised of a plurality of preformed sections of similar cross section connected in end-to-end fashion.

Patents under this class:

Patent Number Title Of Patent Date Issued
8596910 Environmental culvert system Dec. 3, 2013
8523486 Concrete culvert assembly and related methods Sep. 3, 2013
8215869 Reinforced soil arch Jul. 10, 2012
7770250 Flared leg precast concrete bridge system Aug. 10, 2010
7572084 Precast arch structure with skewed ends Aug. 11, 2009
7568860 System for articulably bearing a prefabricated structural member on a foundation Aug. 4, 2009
7556451 Precast concrete bridge and headwall assembly and method of production Jul. 7, 2009
7530764 Easy clean culvert system May. 12, 2009
7441990 Process for the construction of a segment of an open-air work by prefabricated structural members, and prefabricated structural member related thereto Oct. 28, 2008
7344335 Methods and modules for an underground assembly for storm water retention or detention Mar. 18, 2008
7160058 Methods and module for an underground assembly for storm water retention or detention Jan. 9, 2007
7137756 Fluid-tight bell-and-spigot-joint for box culverts Nov. 21, 2006
7134808 Drain sealing Nov. 14, 2006
7118306 Stormwater management system Oct. 10, 2006
7052209 Corrugated stormwater chamber May. 30, 2006
6991402 Methods and modules for an underground assembly for storm water retention or detention Jan. 31, 2006
6874974 Reinforced soil arch Apr. 5, 2005
6769662 Form and method for casting a monolithic precast safety end Aug. 3, 2004
6595722 Composite concrete metal encased stiffeners for metal plate arch-type structures Jul. 22, 2003
6474907 Environmentally compatible archway for road building Nov. 5, 2002
6394700 Highway underdrain plastic apron endwall with anti-floatation wings May. 28, 2002
6254307 Bi-partite sluiceway apparatus with silt removal tray components Jul. 3, 2001
6243994 Joint for pre-cast concrete twin-leaf arch sections Jun. 12, 2001
6205605 Method of construction of a vault, bearing piece and half-shell for construction of the vault Mar. 27, 2001
6161342 Prefabricated concrete element for building a civil engineering structure having an arched wall Dec. 19, 2000
6129484 Prefabricated structure for the construction of overhead or underground works Oct. 10, 2000
6092962 Prefabricated pre-cast culvert provided with couplings Jul. 25, 2000
6050746 Underground reinforced soil/metal structures Apr. 18, 2000
5915880 Drainage apparatus Jun. 29, 1999
5833394 Composite concrete metal encased stiffeners for metal plate arch-type structures Nov. 10, 1998
5720577 Box culvert Feb. 24, 1998
5489163 Drainage channel Feb. 6, 1996
5375943 Short radius culvert sections Dec. 27, 1994
5326191 Reinforced metal box culvert Jul. 5, 1994
5252002 Natural bottom culvert and method for installation Oct. 12, 1993
4940359 Chemical safety conduit or trench Jul. 10, 1990
4869294 Buried large cross-section conduit Sep. 26, 1989
4854775 Precast concrete culvert system Aug. 8, 1989
4815895 Construction of tunnels or pipes for use in civil engineering works Mar. 28, 1989
4693635 Method of producing hollow structures and hollow structures Sep. 15, 1987
4693634 Prefabricated support and covering structure, particularly for constructing tunnels, bridges and the like Sep. 15, 1987
4650369 Culvert structure Mar. 17, 1987
4618283 Archway construction utilizing alternating reinforcing mats and fill layers Oct. 21, 1986
4451172 Open top drain May. 29, 1984
4318635 Culvert structure having corrugated ribbing support Mar. 9, 1982
4221502 Culvert joint Sep. 9, 1980
4141666 Low headroom culvert Feb. 27, 1979

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