Patents for E01F 5 - Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits (873)
05/2009
05/13/2009CN101429753A Well type heat-insulating water outlet
05/12/2009US7530764 Easy clean culvert system
05/06/2009CN201232147Y Rainwater application system for urban main road
04/2009
04/23/2009US20090103982 Trench drain with sloping rails
04/16/2009WO2005098141A3 Hydraulic wick apparatus and method
04/01/2009EP2041367A2 Adjustable anchor rod
03/2009
03/26/2009US20090080970 Surface drainage system
03/19/2009DE202008015753U1 Amphibienleitstein und Amphibienleitsystem Amphibienleitstein and amphibians control system
03/18/2009CN100469971C Arrangement method for town road
03/04/2009CN100465379C An underground steel plate structure using corrugated steel plates and a construction method thereof
02/2009
02/18/2009CN100462504C Road surface runoff treating pool
12/2008
12/17/2008CN101324057A Subway unballasted track ditch construction method and used formwork
12/04/2008WO2008008951A3 Adjustable anchor rod
11/2008
11/19/2008CN101307587A Surface water-free plaza ground paving method
11/18/2008CA2469603C Culvert cleaning tool and method
11/13/2008DE102007021308A1 Installation device e.g. manhole, for constructing e.g. road, has reinforcing part suitable for damping mechanical forces at fine layer, where forces arise between device and base
11/12/2008CN101302743A Steel bell and spigot prestress thin wall concrete pipe
10/2008
10/08/2008CN201128885Y Well type heat-insulating water outlet
10/01/2008CN201125367Y Road saliva floe ice multi-exit port water drain ice blocking system
09/2008
09/24/2008CN101270561A Method for resolving surface drainage and communal facilities paving problem of city
09/10/2008EP1966450A1 Reinforcement method and reinforcement structure of the corrugated steel plate structure
09/04/2008WO2008104075A1 Environmental culvert system
09/04/2008CA2679462A1 Environmental culvert system
09/03/2008EP1963582A1 Reinforcement of arch type structure with beveled/skewed ends
07/2008
07/15/2008US7398785 Method for cleaning a culvert
06/2008
06/04/2008CN201068550Y Road drainage structure
05/2008
05/21/2008CN101182704A Method for discharging bridges and culverts stood water
05/20/2008CA2460081C Reinforced soil arch
04/2008
04/22/2008CA2254595C Underground reinforced soil/metal structures
03/2008
03/18/2008US7344335 Methods and modules for an underground assembly for storm water retention or detention
03/18/2008CA2499539C Precast safety end and form therefor
01/2008
01/17/2008CA2659386A1 Adjustable anchor rod
01/02/2008CN200999325Y Highway pipe road surface drainage arrangement
12/2007
12/18/2007US7309188 Drainable base course for a landfill and method of forming the same
12/11/2007US7305798 Composite overfilled arch system
11/2007
11/14/2007CN200974960Y Road surface radial flow treatment pool
11/13/2007US7293937 Cover arrangement
11/01/2007US20070253776 Precast arch structure with skewed ends
11/01/2007US20070253775 Culvert bundle for stream crossings and flow-through bridge abutments
11/01/2007CA2586546A1 Culvert bundle for stream crossings and flow-through bridge abutments
10/2007
10/24/2007EP1846620A2 A water detention system incorporating a composite drainage membrane
10/17/2007CN101054785A Arrangement method for town road
10/11/2007DE102006054527A1 Drainage system for removing water from roads and tunnels comprises collecting channels arranged in a drainage system and having a double drainage pipe arrangement with drainage pipes moving against each other
10/10/2007CN100342084C Construction cavities forming method and object containing cavities fabricated thereby
08/2007
08/29/2007CN101024939A Water-stopping treatment method for steel reinforced concrete pipe culvert
08/21/2007CA2300514C Method for thawing frozen road culverts
08/16/2007US20070186963 Drainage structure cleaning apparatus
08/14/2007CA2310529C Method and apparatus for installing culverts
07/2007
07/11/2007CN1995546A Road surface runoff treating pool
07/05/2007US20070154266 Culvert inlet protection device
07/04/2007EP1803851A1 Purification system for rainwater
06/2007
06/28/2007WO2007071067A1 Reinforcement of arch type structure with beveled/skewed ends
06/23/2007CA2531547A1 Reinforcement for arch type structure with beveled/skewed ends
05/2007
05/17/2007US20070110519 Culvert opening and cleaning apparatus
05/03/2007US20070098500 Wick assembly and method for installing an underdrain
04/2007
04/10/2007US7201533 Sewer grate locking mechanism and method of installing same
03/2007
03/15/2007US20070059102 Precast concrete bridge and headwall assembly and method of production
03/15/2007US20070059101 Beaver control device for a culvert pipe
02/2007
02/28/2007CN2873869Y Light composite round pipe culvert
02/06/2007US7172033 Culvert opening and cleaning apparatus
01/2007
01/31/2007CN2863877Y Round tube culvert adapted for collapsible loess area
01/09/2007US7160058 Methods and module for an underground assembly for storm water retention or detention
12/2006
12/28/2006WO2006085095A3 A water detention system incorporating a composite drainage membrane
12/05/2006US7144185 Street grid for surface drainage
11/2006
11/21/2006US7137756 Fluid-tight bell-and-spigot-joint for box culverts
11/16/2006WO2006120275A1 Modular prefabricated element for surface drainage on dirt roads
11/15/2006CN2837360Y Water permeable road and pavement structure
11/07/2006US7131788 High-flow void-maintaining membrane laminates, grids and methods
10/2006
10/10/2006US7118306 Stormwater management system
08/2006
08/17/2006WO2006085095A2 A water detention system incorporating a composite drainage membrane
08/17/2006CA2597382A1 A water detention system incorporating a composite drainage membrane
07/2006
07/26/2006CN1807760A Road drainage system and construction process thereof
07/25/2006US7080956 Open bottom box culvert
07/20/2006US20060159515 Surface water drainage system
07/20/2006US20060157096 Drainage structure cleaning tool and method
07/20/2006US20060157083 Drainage structure cleaning tool and method
06/2006
06/14/2006EP1252393B1 Drainage system
06/06/2006US7056058 Transport corridor drainage systems
06/01/2006US20060115330 Open bottom box culvert
05/2006
05/30/2006US7052210 Inlet collar for highway culverts
05/30/2006US7052209 Corrugated stormwater chamber
05/30/2006US7052207 Sediment control drain and method of construction
04/2006
04/26/2006CN2775119Y Truct for railway bridge construction
03/2006
03/07/2006US7008137 Cover for a drainage arrangement and a method of producing such an arrangement
02/2006
02/21/2006US7001110 Precast concrete retaining wall
12/2005
12/08/2005WO2005116344A1 Inlet collar for highway culverts
12/08/2005DE202005012161U1 Ground roadside barrier for migrating amphibians
11/2005
11/24/2005US20050260039 Inlet collar for highway culverts
11/08/2005US6962465 Method for improving the environment within soil embedded culvert and bridge systems
10/2005
10/20/2005WO2005098141A2 Hydraulic wick apparatus and method
10/20/2005CA2560509A1 Hydraulic wick apparatus and method
09/2005
09/29/2005US20050214070 Hydraulic wick apparatus and method
09/08/2005US20050196238 Sewer grate locking mechanism and method of installing same
09/06/2005CA2351181C Beaver control screen for culvert pipe
09/01/2005US20050191130 Precast concrete retaining wall
07/2005
07/28/2005US20050160634 Culvert opening and cleaning apparatus
07/21/2005US20050158123 Void-maintaining synthetic drainable base courses in landfills and other large structures, and methods for controlling the flow and evacuation of fluids from landifills
07/06/2005CN1635225A Construction cavities forming method and object containing cavities fabricated thereby
06/2005
06/09/2005US20050123354 Method for improving the environment within soil embedded culvert and bridge systems
05/2005
05/18/2005CN1202313C Non cohesire soil thick covering super long large frame structure jacking technology
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