Patents for E01F 5 - Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits (873)
09/2011
09/01/2011WO2011103672A1 Gauge and frame for a portable sawmill to make wooden box culvert
08/2011
08/31/2011CN201952789U 塑料盲沟管 Plastic blind ditch pipe
08/31/2011CN201952745U 波纹管涵洞单元片立式组装工装 Bellows piece culvert unit vertical assembly tooling
08/25/2011US20110206461 Culvert end
08/22/2011CA2728989A1 Culvert end
08/17/2011CN102154985A Guide shield for pushing rectangular concrete frame bridge
08/17/2011CN102154958A Device for automatically collecting and conveying railway fecaluria
08/17/2011CN101935988B Box culvert structure and jacking method of box culvert for penetrating roadbed
08/10/2011CN201924326U 涵管 Culvert
08/03/2011CN201915373U 盲沟管材 Blind ditch pipe
08/03/2011CN201915372U 盲沟材 Blind ditch timber
08/03/2011CN201915371U 塑料盲沟材 Plastic blind ditch timber
07/2011
07/27/2011CN201908286U Plastic blind ditch pipe for drainage
07/27/2011CN201908285U Plastic blind ditch for drainage
07/27/2011CN201908284U 盲沟 Blind ditch
07/20/2011CN201902014U Template for concrete pouring of various bridges and culverts
07/13/2011CN201896293U Box culvert iron jacking member
07/13/2011CN101302743B Steel bell and spigot prestress thin wall concrete pipe
07/06/2011CN201891088U Semicircular arched culvert pipe and bearing support seat thereof
06/2011
06/29/2011CN201883384U Linear drainage component and linear drainage system
06/23/2011US20110150574 Environmental culvert system
06/22/2011CN201874083U Land-saving and energy-saving reservoir type pumping station drainage device for down digging channels
06/22/2011CN102102344A Method for quickly assembling assembled corrugated culvert
06/15/2011CN102094375A Design method for bituminous pavement with drainage function
06/15/2011CN101649592B Road drainage system
06/09/2011US20110135384 Surface drainage system
05/2011
05/25/2011CN201843090U Novel culvert pipe structure
05/18/2011CN201835235U Novel culvert pipe adapting to foundation deformation and connecting element thereof
05/18/2011CN201835205U Road capable of filtering and collecting rainwater on road surface
05/04/2011CN201817780U Steel bow slope for box culvert jacking
04/2011
04/28/2011US20110097146 Water drainage system
04/21/2011US20110091281 Drainage system, apparatus, and method
04/20/2011CN201801794U Soilbag back roadbed
03/2011
03/23/2011CN201770925U Highway leaching well
03/10/2011WO2011028365A1 Module and assembly for managing the flow of water
03/10/2011US20110058897 Woven geosynthetic fabric with differential wicking capability
02/2011
02/09/2011CN201738251U 箱涵 Culvert
02/09/2011CN201738250U Arch culvert and arch ring steel die trolley
02/02/2011CN101962935A High polymer modified asphalt waterproof coiled material for bridge of railway
01/2011
01/26/2011CN101956373A Method for preventing box culvert head drop during box culvert jacking construction and used steel ship bow slope
01/25/2011US7874767 Woven geosynthetic fabric with differential wicking capability
01/13/2011WO2011003159A1 Rainwater channel drain
01/13/2011US20110005045 Catch basin clamp system
01/05/2011EP2268866A2 Drainage system, apparatus, and method
01/05/2011CN201695349U Jack fixing and protecting device for box culvert jacking construction
01/05/2011CN201695348U Structure for horizontally lifting and reinforcing existing lines
01/05/2011CN101935988A Box culvert structure and jacking method of box culvert for penetrating roadbed
12/2010
12/29/2010CN201686940U Pipe ditch type foundation with environment protection function
12/22/2010CN201680071U High-strength corrugated culvert pipe
12/14/2010CA2516248C A separator
12/01/2010CN201660852U Culvert beneficial for animals to pass through
12/01/2010CN101429753B Well type heat-insulating water outlet
11/2010
11/16/2010CA2372943C Arched structures and method for the construction of same
10/2010
10/14/2010US20100260550 Beaver be gone
09/2010
09/21/2010US7798747 Stormwater capture module
09/15/2010CN101831857A Cement concrete road with drainage scoops
09/09/2010US20100226721 Module and Assembly for Managing the Flow of Water
09/08/2010EP2225418A1 Method of manually restoring an inner surface of a corrugated steel tube
09/08/2010CN1807760B Road drainage system and construction process thereof
08/2010
08/11/2010CN101324057B Subway unballasted track ditch construction method and used formwork
07/2010
07/28/2010CN201534965U 一种耐磨蚀的金属波纹管涵洞 A wear-resistant metal bellows culvert eclipse
06/2010
06/09/2010CN201502111U Fire-proofing sound-insulation panel
06/01/2010US7725978 Drainage structure cleaning apparatus
05/2010
05/26/2010CN201485768U Road drainage system
05/12/2010CN201459693U Water-permeable pipe
05/12/2010CN201459614U Split type steel corrugated culvert pipe
05/11/2010CA2530850C Open bottom box culvert
04/2010
04/21/2010CN101270561B Method for resolving surface drainage and communal facilities paving problem of city
04/20/2010US7699557 Aquifer replenishment system
04/14/2010EP2175071A1 Drainage device and arrangement including such drainage device
04/14/2010CN201437581U Reinforced concrete slope-shaped water drainage pipe for highroad
04/06/2010US7690857 Storm drain relief channel and associated methods of manufacture and use
03/2010
03/30/2010US7686540 Transport corridor infiltration system
03/16/2010US7676963 Snow plow including mold board having back plate
02/2010
02/17/2010EP2154293A2 Road surface construction
01/2010
01/21/2010WO2009146046A3 Drainage system, apparatus, and method
01/14/2010US20100008719 Grating
01/06/2010CN201377072Y Cement cover plate side-supporting type skewing track device and cement cover plate thereof
12/2009
12/29/2009US7637695 Heavy duty trench frame and grate assembly
12/23/2009CN101608422A Drainage system of freeway
12/09/2009CN201358425Y Concrete cover plate translational rail device and concrete cover plate thereof
12/09/2009CN201358424Y Concrete cover plate brace-rod assisting upturning device and concrete cover plate thereof
12/09/2009CN101597888A Construction method of municipal drainage culvert sinking trough
12/03/2009WO2009146046A2 Drainage system, apparatus, and method
12/03/2009CA2720230A1 Drainage system, apparatus, and method
12/02/2009CN100564686C Method for reducing load applied to upper burying type constructional work by using polystyrene foam
11/2009
11/12/2009US20090279953 Modular underground water management systems
10/2009
10/01/2009US20090245936 Woven geosynthetic fabric with differential wicking capability
09/2009
09/23/2009CN101538825A Construction method for preventing water seepage of expansion joint of concrete pavement by adopting water guide blind ditch
08/2009
08/27/2009US20090214297 Reinforcement rib and overhead structure incorporating the same
08/26/2009CN100532727C Water-stopping treatment method for steel reinforced concrete pipe culvert
08/22/2009CA2654993A1 Reinforcement rib and overhead structure incorporating the same
08/05/2009CN201284492Y Simple and practical overhead road rainwater utilization system
07/2009
07/23/2009US20090183321 Flared leg precast concrete bridge system
07/22/2009CN101487236A Seepage and drainage geogrid
07/21/2009US7562717 Culvert opening and cleaning apparatus
07/14/2009US7559720 Culvert bundle for stream crossings and flow-through bridge abutments
07/07/2009US7556450 Water collecting structure and drainage structure using the same
06/2009
06/18/2009WO2009075647A1 Method of manually restoring an inner surface of a corrugated steel tube
05/2009
05/27/2009CN201245805Y 高速公路排水系统 Highway drainage system
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