Patents for E01F 5 - Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits (873)
05/2005
05/12/2005US20050100401 Transport corridor drainage systems
05/12/2005US20050097689 Culvert cleaning tool and method
05/06/2005WO2004027156B1 Precast safety end and form therefor
04/2005
04/05/2005US6874974 Reinforced soil arch
03/2005
03/01/2005US6860238 Culvert shelves to assist animal migration
02/2005
02/24/2005DE202004015063U1 Device for constructing crossings for cables and/or drainage pipes, in particular, under a road surface comprises a crossing pipe consisting of joinable bottom and top sections
02/15/2005US6854928 Precast concrete culvert system
02/10/2005WO2004027156A3 Precast safety end and form therefor
01/2005
01/12/2005CN2670429Y Culvert pipes
01/12/2005CN1563589A Load shedding measure of foam sheet applied to upper burying type constructional work (such as culvert)
11/2004
11/03/2004CN2652991Y Plum blossom hole water guide tube special for road bed
11/03/2004CN1174179C Method for structure duct in ground
10/2004
10/17/2004CA2448304A1 Method and apparatus for contructing an automative vehicle parking lot
10/12/2004US6802669 Void-maintaining synthetic drainable base courses and methods for extending the useful life of paved structures
09/2004
09/16/2004US20040179899 Reinforced soil arch
08/2004
08/24/2004US6779946 Drainage structures
08/03/2004US6769662 Form and method for casting a monolithic precast safety end
07/2004
07/20/2004US6764250 Method of load reduction on buried culvert using EPS block and/or geosynthetics
07/08/2004US20040131423 High-flow void-maintaining membrane laminates, grids and methods
06/2004
06/23/2004EP1431461A1 Drain reinforcement
06/01/2004CA2301361C Headwall structure
05/2004
05/18/2004US6736570 Precast safety end and form therefor
04/2004
04/29/2004US20040081517 Headwall for drain pipe
04/21/2004EP1123444A4 Headwall for drain pipe
04/14/2004CN2611426Y Prefabricated culvert member
04/01/2004WO2004027156A2 Precast safety end and form therefor
03/2004
03/10/2004CN1141450C Openable urban road pipe network facilities
02/2004
02/18/2004CN1475631A Non cohesire soil thick covering super long large frame stoucture jacking technology
02/12/2004DE20315599U1 Small animal and amphibian protective and movement tunnel is made of steel concrete
02/12/2004DE20315597U1 Amphibian air conditioning tunnel is formed as a base-closed semi-tube of steel concrete constructed in one part
01/2004
01/22/2004US20040010962 Beaver barrier
01/06/2004CA2237072C Method and apparatus for forming a trench
12/2003
12/04/2003US20030223821 Form and method for casting a monolithic precast safety end
12/04/2003US20030223819 Void-maintaining synthetic drainable base courses and methods for extending the useful life of paved structures
12/02/2003CA2330892C Beaver controlling culvert attachment
11/2003
11/27/2003US20030219312 Method of load reduction on buried culvert using EPS block and/or geosynthetics
11/25/2003US6652187 Portable cofferdam and method for stabilizing the structural integrity of box culvert bridges
11/11/2003US6644889 Headwall for drain pipe
10/2003
10/29/2003CN2583192Y Pneumatic tamper levellnig through prestressed concrete culvert pipe maintenance ring
10/29/2003CN1125908C Composite concrete metal encased stiffeners for metal plate arch type structures
10/22/2003CN2581477Y Road surafce with road side longitudinal draining body
10/16/2003US20030194269 Precast safety end and form therefor
10/15/2003CN2579944Y Ribbed floor type semicircular arc pass through culvert for steelbar concrete
10/15/2003CN2579943Y Engineering member for building culvert
09/2003
09/07/2003CA2375006A1 Portable culvert beaver guard
08/2003
08/26/2003US6609854 Structure and method for detecting an inflated state of a flexible membrane dam
07/2003
07/31/2003US20030143029 Precast concrete culvert system
07/31/2003US20030143028 Cold roll forming a short radius curvature into deep corrugated metal plate
07/22/2003US6595722 Composite concrete metal encased stiffeners for metal plate arch-type structures
06/2003
06/18/2003EP1319768A2 Drainage channel between a wall and a slab cladding
06/11/2003CN2555280Y Soil shovelling ring for pneumatic ram horizotally passing through prestressed concrete culvert pipe
04/2003
04/16/2003CN1411526A Headwall for drain pipe
03/2003
03/25/2003CA2255903C Composite concrete metal encased stiffeners for metal plate arch-type structures
03/18/2003US6533498 Reinforced composite material
03/05/2003CN1400362A Openable urban road pipe network facilities
03/04/2003US6527474 Pavement drain
02/2003
02/19/2003EP1119663B1 Tubular structure
02/19/2003CN1397687A Comprehensive drainage facility for road
01/2003
01/14/2003US6505996 Drainage system with unitary void-maintaining geosynthetic structure and method for constructing system
12/2002
12/31/2002US6499173 Culvert cleaning apparatus
12/26/2002US20020197112 Structure and method for detecting an inflated state of a flexible membrane dam
11/2002
11/21/2002WO2002092945A1 Outdoor structure, method of producing snow and ice slipping covering, and snow and ice slipping covering
11/05/2002US6474907 Environmentally compatible archway for road building
10/2002
10/31/2002US20020159833 Pavement drain
10/30/2002EP1252393A1 Drainage system
10/08/2002US6460213 Precast concrete structure having light weight encapsulated cores
09/2002
09/12/2002US20020127061 Headwall for drain pipe
09/10/2002US6447206 Beaver control screen for culvert pipe
09/04/2002EP0904465B1 Composite concrete metal encased stiffeners for metal plate arch-type structures
08/2002
08/15/2002US20020110421 Portable cofferdam and method for stabilizing the structural integrity of box culvert bridges
07/2002
07/23/2002US6422788 Headwall for drain pipe
07/11/2002US20020090266 Beaver controlling culvert attachment
07/02/2002US6413015 Beaver controlling culvert attachment
06/2002
06/20/2002US20020076280 Environmentally compatible archway for road building
06/13/2002US20020069471 Culvert cleaning apparatus
05/2002
05/30/2002US20020064426 Composite concrete metal encased stiffeners for metal plate arch-type structures
05/28/2002US6394700 Highway underdrain plastic apron endwall with anti-floatation wings
04/2002
04/25/2002DE10114053A1 System for the removal of surface water from roads has a deep bed, with infiltration surfaces filled with a filter material, to allow the collected rain water to be used for irrigation and prevent oil entering the drains
04/18/2002US20020044842 Void-maintaining geosynthetic laminates and drainage systems
01/2002
01/30/2002CN2474577Y Preformed structural unit for side wall of culvert
01/24/2002DE10063049A1 Laying buried pipes, e.g. for telecommunication cables, has a main ram and cutter fitted into a start shaft to cut a passage through to the end shaft, with intermediate rams between the pipe sections
01/16/2002CN1331394A Method for structure duct in ground
01/08/2002CA2328096C Environmentally compatible archway for road building
11/2001
11/20/2001CA2225729C Arch bridge for water crossing
11/07/2001CN2458337Y Liner of bridges and culverts with corrugated structure
10/2001
10/10/2001EP1141494A1 Water conduit
10/04/2001US20010026732 Apparatus for thawing frozen culverts
09/2001
09/05/2001CN1070567C Water cut-off construction of side ditch
08/2001
08/30/2001DE10015934C1 Drainagefähige Schüttungen Drainage capability beds
08/22/2001EP1126090A2 Filtering inflow device
08/16/2001EP1123444A2 Headwall for drain pipe
08/16/2001CA2299742A1 An apparatus for thawing frozen culverts
08/10/2001CA2335417A1 Void-maintaining geosynthetic laminates and drainage systems
08/10/2001CA2335414A1 Unitary void-maintaining geosynthetic structures and drainage
08/09/2001WO2001057317A1 Drainage system
08/01/2001EP1119663A1 Tubular structure
07/2001
07/31/2001CA2276867C Culvert end guard
07/25/2001EP0861358B1 A prefabricated structure for the construction of overhead or underground works
07/12/2001WO2000065155A3 Constructive procedure for pervious stripes in highway systems and its product
06/2001
06/07/2001US20010002497 Geocomposite system for roads and bridges and construction method
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