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)
04/2013
04/03/2013CN202849957U Reinforcing steel bar concrete circular pipe culvert
04/03/2013CN202849956U Water draining assembly with water seepage function
04/03/2013CN103015335A Pre-penetrating limiting beam jacking method
04/03/2013CN103015334A Synchronous-progress oil jack control system and application method thereof
04/03/2013CN103015333A Guiding structure for culvert section jacking and jacking method using guiding structure
04/03/2013CN103015284A Road gutter apron of asphalt road and prefabricating and constructing method of road gutter apron
03/2013
03/27/2013CN202831643U Combined type concrete chute
03/27/2013CN202830990U Rubber waterstop fixing device
03/27/2013CN202830790U Prefabricated assembly overlap type ferroconcrete arch culvert
03/21/2013WO2013039970A2 Bridge system and method including four sided concrete bridge units adapted for promoting sedimentation
03/21/2013US20130071189 Bridge System and Method Including Four Sided Concrete Bridge Units Adapted for Promoting Sedimentation
03/21/2013CA2848200A1 Bridge system and method including four sided concrete bridge units adapted for promoting sedimentation
03/20/2013CN202810870U Combined type template trolley for box culvert lining
03/20/2013CN202809501U Reinforced load reducing structure of motorway high filling culvert in mountainous area
03/20/2013CN202809500U Assembly-type precast reinforced concrete flume
03/13/2013CN202787103U Connection structure of corrugated culvert pipes
03/13/2013CN202787102U Corrugated culvert pipe with strong bearing capacity
03/13/2013CN102966021A Equestrian sport field and construction process thereof
03/13/2013CN102535289B Variable-cross-section structure for deep sewer of roadbed and construction method thereof
03/13/2013CN102102344B Method for quickly assembling assembled corrugated culvert
03/07/2013US20130058713 Wick assembly and method for installing an underdrain
03/06/2013CN202766945U Water containing road surface capable of solving waterlogging
03/06/2013CN202766944U Enhanced subgrade drainage system of three-dimensional composite geonet
02/2013
02/27/2013CN202755348U Junked tire prestressed mesh and tubular column
02/27/2013CN202755346U Interlocking type assembling anti-cracking anti-seepage permanent template
02/25/2013CA2751052A1 Method of building a structure in the presence of water
02/20/2013CN102936870A Extra-large sidewalk assembling plate
02/13/2013CN202730658U Bus stop with hidden-built drainage ditch
02/13/2013CN202730576U Sand filling roadbed structure
02/13/2013CN102926299A Railway elevating and fixing device and railway bridge and culvert construction method adopting railway elevating and fixing device
02/06/2013CN102918206A A modular ducting section adapted for laying end-to- end and side by side forming a networked utilities ducting system and rain and run-off water management system
01/2013
01/30/2013CN202705935U Prefabricated lamination type reinforced concrete double-hole culvert
01/30/2013CN102900002A Repair method of structural water damage of asphalt pavement with cement-cured base layer
01/23/2013CN202688972U Hydrophobic filtering tube
01/23/2013CN202688971U Strong absorption drain pipe
01/16/2013CN202672091U Bi-directional keel inlaid and fastened type permanent crack-proofing and seepage-proofing formwork capable of being assembled
01/10/2013US20130011192 Adjustable recessed restrictor plate assembly
01/10/2013US20130011191 Press-fit restrictor plate
01/09/2013CN202658537U Drainage prevention system for railroad bed in groundwater development slope district
01/09/2013CN102864748A Steel die for water holes and forming process
01/02/2013EP2539121A1 Gauge and frame for a portable sawmill to make wooden box culvert
01/02/2013CN202644418U Dividing type metal corrugation culvert pipe
01/02/2013CN202644417U Closed drainage ditch
12/2012
12/26/2012CN202626848U Concrete precast common ditch with embedded parts
12/26/2012CN202626847U Device for inserting concrete precast utility tunnels
12/26/2012CN102839611A Novel plastic blind drain
12/18/2012CA2708610C Arched structures and method for the construction of same
12/13/2012US20120315085 Surface drainage system
12/12/2012CN202595642U Water and silt discharge facility for combined roads, bridge culverts and weirs
12/12/2012CN202595641U Closed three-stage automatic road water discharging system
12/12/2012CN102817329A Process for erecting construction auxiliary girder on existing railway
12/06/2012WO2012162773A1 Rainwater diffuser structure
12/05/2012CN202577170U Novel water discharging blind drain
12/05/2012CN202577169U Integral mobile arch ring steel die frame for reinforced concrete arch culvert
12/05/2012CN202577168U Enclosed karst depression railway bed drainage system
12/05/2012CN202577167U High groundwater level railway foundation bed and drainage structure
11/2012
11/21/2012CN202543813U Highway drainage device
11/14/2012CN102776844A Protection culvert for pile or plate type structure
11/06/2012US8303215 Wick assembly and method for installing an underdrain
10/2012
10/31/2012CN202509418U Guard board capable of preventing road culvert from being destroyed by water rush
10/31/2012CN202509417U Metal corrugated culvert pipe fragment
10/31/2012CN202509354U Foundation bed structure of railroad soil and soft rock cutting
10/26/2012WO2012142981A1 Reinforced ditch or influent stream
10/25/2012US20120269573 Systems and Methods for Diverting Sub-surface Water
10/24/2012CN202500096U Rain water box culvert crossing underground pipeline protection device
10/18/2012US20120263524 Road with sound diffractors
10/17/2012CN202492810U Dredging drainage blind ditch for highway pavement
10/17/2012CN202492804U Manpower carried car
10/17/2012CN102733274A Road and construction method thereof
10/10/2012CN102720158A Unidirectional keel embedded assembled anti-cracking impermeable permanent formwork
10/10/2012CN102720144A Prefabricated reinforced concrete culvert opening
10/03/2012CN202466434U Fabricated formwork for cast-in-place of small culvert
10/03/2012CN102704948A Formworking jumbo construction process for long and large box culvert
10/03/2012CN102154958B Device for automatically collecting and conveying railway fecaluria
09/2012
09/19/2012CN202440767U Precast concrete culvert with arc-shaped bottom and arch-shaped top cover
09/19/2012CN202440766U Water-drainage open cut tunnel aqueduct of road cut section
09/19/2012CN102677894A Beam body template for houses, bridges and culverts
09/19/2012CN102677701A Culvert/manhole cover with cushioning performance
09/18/2012CA2474576C Culvert opening and cleaning apparatus
09/12/2012CN202430635U Corrugated sheet steel box-type structure
09/05/2012CN202416491U Culvert pipe through auxiliary device
09/05/2012CN202416197U Combined type open-cut tunnel culvert
09/05/2012CN202416196U Road drainage structure for treating water source area polluted by roads
08/2012
08/29/2012CN202401405U Novel dewatering blind ditch
08/22/2012CN202390859U Prefabricated reinforced concrete box culvert
08/14/2012US8240946 Water drainage system
08/08/2012CN202369968U Assembled water drainage box culvert
08/08/2012CN202369935U Adjustable flexible connecting device for box culverts and tool pipe roofs
08/01/2012CN202359512U Device for long-distance ejecting of large-sized concrete box culvert
08/01/2012CN202359511U Subway tunnel ditch and track bed one-time pouring formwork structure
07/2012
07/31/2012CA2654859C Trench drain with sloping rails
07/25/2012EP2479345A1 Rainwater channel drain
07/25/2012CN202347450U Direct-butt-joint type metal corrugated culvert pipe
07/25/2012CN202347449U Standard component for aerially reinforcing bridge culvert construction line additionally built on existing railroad business line
07/25/2012CN102605852A Urban rainwater-infiltration ecological system based on low impact development
07/25/2012CN102605724A Prefabricated laminated steel concrete two-hole culvert
07/25/2012CN101597888B Construction method of municipal drainage culvert sinking trough
07/18/2012CN102587414A Forming cushion combined formwork jacking method for inner rib angles of municipal structures
07/18/2012CN102587300A Prefabricated superposed reinforced concrete arch culvert
07/18/2012CN102587243A Urban road water permeability cement concrete pavement structure and construction process thereof
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