Patents
Sitemap › E01 - Construction of roads, railways, or bridges › E01F - Additional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like › E01F 5 - Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits
Patents for E01F 5 - Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits (873)
05/2001
05/24/2001CA2326834A1 Culvert passage apparatus for fish
04/2001
04/12/2001WO2000063495A3 Method for building roads and parking zones with a permeable base and resulting product
03/2001
03/20/2001US6203245 Culvert end guard
02/2001
02/22/2001WO2000050142A3 Sub-soil drainage cell
02/05/2001CA2279723A1 Animal control gate for culverts and the like
01/2001
01/16/2001CA2302856C Culvert system
01/11/2001DE19930701A1 Wannenkonstruktion für eine Unterführung eines Verkehrsweges When construction of an underpass of a highway
01/10/2001EP1067241A2 Basin construction for catchment of a traffic road
12/2000
12/28/2000DE10004944A1 Water system, for receiving and intermediate storage of rainwater, also reduction and extended time throttled delivery of water, includes at least one drainage pipe
11/2000
11/02/2000WO2000065155A2 Constructive procedure for pervious stripes in highway systems and its product
10/2000
10/31/2000CA2228826C Animal control gate for culverts and the like
10/26/2000WO2000063495A2 Method for building roads and parking zones with a permeable base and resulting product
10/18/2000EP1045071A2 Geocomposite system for roads and bridges and construction method
10/17/2000CA2169700C Box culvert
10/12/2000CA2302117A1 Geocomposite system for roads and bridges and construction method
10/10/2000US6129484 Prefabricated structure for the construction of overhead or underground works
08/2000
08/31/2000WO2000050142A2 Sub-soil drainage cell
07/2000
07/25/2000US6092962 Prefabricated pre-cast culvert provided with couplings
07/20/2000WO2000023664A3 Headwall for drain pipe
07/13/2000WO2000040811A1 Water conduit
07/13/2000DE10000025A1 Water system, especially for rain water for collection and intermediate storage, and for reducing and extended time-throttled delivery of water introduced in water system; has at least one drainage pipe
07/06/2000DE19847672C1 One-piece drainage component for installation beneath edge area of road surface has load accommodation points, which define locating surface on one side of component
04/2000
04/27/2000WO2000023664A2 Headwall for drain pipe
04/27/2000CA2345813A1 Headwall for drain pipe
04/26/2000EP0846204B1 Safety device for a culvert
04/18/2000US6050746 Underground reinforced soil/metal structures
04/05/2000CN2372362Y Bridge and culvert whose bridge floor can be lifted and fallen
03/2000
03/30/2000WO2000017456A1 Tubular structure
03/30/2000CA2344225A1 Tubular structure
02/2000
02/17/2000DE19834857A1 Rain water drainage for road has a soak away under the road surface and filled with a granular material to hold water and to provide mechanical support for the road
12/1999
12/02/1999DE19922811A1 Dewatering device for fixed surfaces and building structures,
11/1999
11/16/1999US5986237 Method for thawing frozen road culverts
09/1999
09/14/1999CA2072036C Box culvert without rib stiffeners
07/1999
07/14/1999CN2328693Y Suppressing type underground pipeline man. (hand) hole cover and its opener
07/13/1999CA2118145C Short radius culvert sections
06/1999
06/30/1999CN1221467A Composite concrete metal encased stiffeners for metal plate arch-type structures
06/29/1999US5915880 Drainage apparatus
06/02/1999CN2321810Y Box assembed type plate-covering culvert
03/1999
03/31/1999EP0904465A1 Composite concrete metal encased stiffeners for metal plate arch-type structures
03/10/1999CN1210180A Method for lines for railway prefabricated bridges and culverts
02/1999
02/26/1999CA2213904A1 Method of thawing frozen road culverts
01/1999
01/09/1999CA2208633A1 Arch culvert with triangular bases
12/1998
12/15/1998CA1340179C Soil-metal arch bridge on reinforced earth abutments
12/08/1998US5846021 Road base matrix
11/1998
11/25/1998CN2298276Y Combined load-carrying sliding backplate jacking lance structure
11/17/1998US5836717 Multi-segment spandrel wall for overfilled arch structures
11/17/1998CA2129191C Culvert end wall retainer system
11/10/1998US5833394 Composite concrete metal encased stiffeners for metal plate arch-type structures
11/04/1998EP0875626A2 Railway track foundations
09/1998
09/02/1998EP0861358A1 A prefabricated structure for the construction of overhead or underground works
06/1998
06/10/1998EP0846204A1 Safety device for a culvert
04/1998
04/08/1998CN2278012Y 钢质波纹板 Steel Corrugated
02/1998
02/24/1998US5720577 Box culvert
01/1998
01/07/1998EP0687328B1 Reinforced metal box culvert
12/1997
12/18/1997WO1997047825A1 Composite concrete metal encased stiffeners for metal plate arch-type structures
05/1997
05/29/1997WO1997019231A1 A prefabricated structure for the construction of overhead or underground works
03/1997
03/06/1997WO1997008391A1 Safety device for a culvert
02/1997
02/04/1997US5598594 Spill containment ramp
10/1996
10/30/1996CN1134493A Water cut-off construction of side ditch
10/24/1996DE19514526A1 System to water beds of road metal and train platforms
09/1996
09/24/1996CA2100186C Natural bottom culvert and method for installation
09/24/1996CA2090983C Reinforced metal box culvert
09/03/1996US5551798 Culvert end wall retainer system
08/1996
08/29/1996DE19506146A1 Profile element for roadside sewage pipes
07/1996
07/16/1996US5536113 Precast concrete wingwall
12/1995
12/20/1995EP0687328A1 Reinforced metal box culvert
08/1995
08/01/1995US5437698 Particularly, a structured body for the drainage treatment for the preparation for tree-planting ground, and its impounding and flushing system
02/1995
02/21/1995CA1334485C Construction material
12/1994
12/27/1994US5375943 Short radius culvert sections
12/20/1994US5373661 Particularly, a structured body for the drainage treatment for the preparation for tree-planting ground, and its impounding and flushing system
10/1994
10/05/1994CN1026077C Drainage system
09/1994
09/15/1994WO1994020685A1 Reinforced metal box culvert
09/13/1994CA1331921C Precast concrete culvert system
07/1994
07/05/1994US5326191 Reinforced metal box culvert
04/1994
04/12/1994US5301918 Form assembly for construction of concrete culverts
03/1994
03/09/1994EP0585959A1 Method for realising an entrenched conduit
02/1994
02/01/1994US5282691 Structural material and drain
10/1993
10/12/1993US5252002 Natural bottom culvert and method for installation
08/1993
08/17/1993US5236756 Drainage culverts made of sidewalls from discarded tires
07/1993
07/21/1993CN2138665Y Adjustable structure for manhole of underground culvert inlet and outlet
07/14/1993CA2059261A1 Culvert extension
06/1993
06/01/1993CA2008123C Buried pipe making method
03/1993
03/02/1993CA1313956C Prefabricated culvert system
07/1992
07/30/1992DE4102165A1 Blocks for canalisation of amphibious creatures at migration culvert - has simple components or prefab. unit for flush fitting at culvert entrance to provide road side canalisation for migrating amphibians
07/29/1992EP0202256B2 Method of construction for a covered structure
07/21/1992CA1305332C Drainage system
06/1992
06/02/1992US5118218 Box culvert without rib stiffeners
04/1992
04/30/1992WO1992007144A1 Process for building structural works comprising an arch and prefabricated parts for carrying out said process
11/1991
11/05/1991CA1291648C Culvert end structure
10/1991
10/15/1991CA1290578C Beaver restricting device
08/1991
08/20/1991CA1287724C Modular building system for wide section covered structure, and related construction process
08/06/1991US5037542 Protective grating with pivoting sections for culvert pipe
07/1991
07/09/1991US5030343 Drainage cell
04/1991
04/24/1991EP0424366A2 Storage device with a collecting volume for liquids
03/1991
03/12/1991US4998847 Drainage conduit which is resistant to clogging by beavers
02/1991
02/19/1991US4993872 Precast concrete culvert system
02/14/1991DE4024176A1 Covered drain channel system - is made up of precast concrete components having sides and cover in one piece
02/07/1991DE3925353A1 Water permeable filter packs - are used for land drainage and consist of plastics mesh bags and gravel filling
01/1991
01/10/1991DE3920736A1 Safety crossing for amphibians underneath road - includes duct trap and slide for outward journey and upward climbing ramp for return
01/08/1991US4983070 Prefabricated culvert system
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