| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 08/23/2005 | CA2271344C Dry stackable block structures |
| 08/18/2005 | WO2005075751A1 A sealing device and a method for manufacturing a sealing device |
| 08/18/2005 | DE202005008652U1 Hinged manhole cover, has tongue on hinge pin for preventing cover closing accidentally |
| 08/17/2005 | CN2718073Y Ejection rubber water plugging band |
| 08/17/2005 | CN2718072Y Antifalling down net for manhole |
| 08/17/2005 | CN2718071Y Monitoring sensing device for manhole cover |
| 08/17/2005 | CN2718070Y Anti-freezing easy-to-open manhole cover |
| 08/17/2005 | CN2718069Y Vibration-reducing manhole cover |
| 08/17/2005 | CN2718068Y Composite cover plate for manhole |
| 08/17/2005 | CN2718067Y Non-separating antitheft cover for manhole |
| 08/17/2005 | CN2718066Y Separating antitheft cover for manhole |
| 08/17/2005 | CN2718065Y Antitheft cover for manhole |
| 08/17/2005 | CN1656288A Device for closing an opening, particularly a man hole |
| 08/16/2005 | US6929071 Motion compensation system and method |
| 08/16/2005 | CA2165654C Earth structures |
| 08/11/2005 | US20050175409 Device for closing an opening, particularly a man hole |
| 08/11/2005 | US20050173156 Horizontal bore cryogenic drilling method |
| 08/10/2005 | EP1561521A2 Apparatus to prevent the accumulation of unwanted material |
| 08/10/2005 | CN2716347Y Anti-theft internal-inserting well cover |
| 08/10/2005 | CN2716346Y Safety well cap with lock |
| 08/10/2005 | CN2716345Y Sewage well cover |
| 08/10/2005 | CN2716344Y Vibration-proof catch basin cover |
| 08/10/2005 | CN2716343Y Composite-material hood cover |
| 08/10/2005 | CN1653233A Cover for a manhole covering and corresponding manhole covering |
| 08/10/2005 | CN1651662A Safety antitheft well cover |
| 08/10/2005 | CN1651661A Box or drum type based barrel row structural unit bulk head water retaining structure |
| 08/10/2005 | CN1651659A Brick block for protecting shore |
| 08/10/2005 | CN1651349A Cast stone manhole cover and its preparation method |
| 08/10/2005 | CN1214159C Closing device for manhole |
| 08/09/2005 | CA2315876C Process for the fabricating of reinforced plastic drain covers, and reinforced plastic drain covers obtained using this process |
| 08/04/2005 | DE202005003351U1 Easy entry device for manhole shaft, comprises grip bar holder with claw for hooking onto rung |
| 08/04/2005 | DE102004001559A1 Verfahren zum Abfangen von Stützmauern A method for intercepting retaining walls |
| 08/03/2005 | CN2714631Y Fiberglass-reinforced plastics detritus-tank cover |
| 08/03/2005 | CN2714630Y Concrete brick of manhole |
| 08/03/2005 | CN2714629Y Partition and protection wall structure |
| 08/03/2005 | CN1648356A Fiber reinforced resin base composite material manhole cover |
| 08/03/2005 | CN1648355A Synthetic resin composite material manhole cover |
| 08/03/2005 | CN1213214C Electronic puzzle lock system for manhole cover |
| 08/03/2005 | CN1213206C Changing method for inspecting & repairing manhole cover or frame |
| 08/02/2005 | US6923630 Apparatus and method for impressing patterns in a slip-formed concrete wall |
| 08/02/2005 | US6922950 Top arch overfilled system |
| 08/02/2005 | CA2102799C A foundation for a building structure |
| 07/29/2005 | CA2476003A1 Landscaping block and system for use |
| 07/28/2005 | US20050163576 Retaining wall block and drainage system |
| 07/28/2005 | US20050163574 Earthen retaining wall having flat soil reinforcing mats which may be variably spaced |
| 07/28/2005 | US20050161088 Manhole base |
| 07/28/2005 | DE10351078A1 Air ventilation pipe socket for air ventilating ports of cover, has twelve ring shaped sockets coupled to each other by connecting parts to form socket package and arranged parallel to each other at distances relating to distances of ports |
| 07/27/2005 | EP1557498A2 Concrete prefabricated block for retaining walls with geogrid retention |
| 07/27/2005 | EP1557497A1 Leightweight, deformable, isotropic fill |
| 07/27/2005 | CN2713009Y Self-locking interlocked rubber water stopping strip |
| 07/27/2005 | CN2713008Y Catch basin cover and catch basin base assembly made from composite materials |
| 07/27/2005 | CN1646878A Device for determining the position and direction of channel inlets and channel outlets in sewer manholes |
| 07/27/2005 | CN1644810A Bearing covers for mud conveying well and checking well |
| 07/27/2005 | CN1644809A Glass fibre reinforced plastic manhole covers |
| 07/27/2005 | CN1644808A Wall bagged material construction method |
| 07/26/2005 | US6921231 Segmental retaining wall system |
| 07/21/2005 | US20050155189 Fixing ring for flexible pipe to manhole joint |
| 07/20/2005 | EP1554228A1 Method for the production of a plant-based construction material and construction material obtained by means of said method |
| 07/20/2005 | CN2711253Y Theft-proof man-hole cover |
| 07/20/2005 | CN2711252Y Top surface level and inlaid type multi-functional man-hole cover with rotating locking structure |
| 07/20/2005 | CN2711251Y Theft-proof and turning-over-proof manhole cover |
| 07/20/2005 | CN2711250Y Steel fiber reinforced concrete man-hole cover |
| 07/20/2005 | CN2711249Y Composite structure man-hole cover contg. fiber reinforced polymer bundle bar |
| 07/20/2005 | CN2711248Y High strength road surface man-hole cover |
| 07/20/2005 | CN2711247Y Theft-proof inspection shaft cover |
| 07/20/2005 | CN2711246Y Man-hole cover assembly |
| 07/20/2005 | CN2711245Y Theft-proof man-hole cover |
| 07/20/2005 | CN2711244Y High strength novel man-hole cover |
| 07/20/2005 | CN2711243Y Multi-color man-hole cover made of composite material |
| 07/20/2005 | CN2711242Y Underground continuous wall concrete prevention by-pass means |
| 07/20/2005 | CN1640655A Manhole cover of composite material |
| 07/14/2005 | WO2005064089A1 A covering for an access aperture, and related assemblies |
| 07/14/2005 | US20050150722 Two-sided manhole step |
| 07/14/2005 | US20050150429 Mixture of aggregate, cement, fly ash and fibers |
| 07/14/2005 | DE10356168A1 Manhole cover for e.g. road construction, has two lifting devices, each with extension for gripping, where extensions are hooked into corresponding jacks fixed to ends of cover diameter to lift cover in lifting direction |
| 07/13/2005 | EP1553230A2 Method for rehabilitating retaining walls |
| 07/13/2005 | EP1553229A1 Manhole and water tight seal therefor |
| 07/13/2005 | EP1552070A1 Method for producing a plastic pit-floor element |
| 07/13/2005 | CN2709529Y Manhole cover with double safety device |
| 07/13/2005 | CN2709528Y Double anti-theft manhole cover |
| 07/13/2005 | CN2709527Y Anti-theft manhole cover and square sleeve for the anti-theft manhole cover |
| 07/13/2005 | CN1639426A Method of construction |
| 07/13/2005 | CN1639424A Revetment block and mat |
| 07/13/2005 | CN1637210A Underground beam construction frame and underground beam construction method using the same |
| 07/07/2005 | WO2005061803A1 Motion composition system and method |
| 07/07/2005 | WO2004074201A3 Form with displaceable vibratory panel |
| 07/07/2005 | DE202005006457U1 Road shaft cover rests within a receiving frame to which it is attached by screws located in blind holes |
| 07/07/2005 | DE202005006456U1 Road utility shaft cover grid has non-vertical separation line between frame and grid |
| 07/07/2005 | DE10357542A1 Hinge arrangement for a protective cover, especially for an underground access shaft cover, has a spike on which a bearing shell is supported with the shell having an opening that permits its locating on or removal from the spike |
| 07/06/2005 | CN2707833Y Watertight underground diaphragm wall with rigid joint |
| 07/06/2005 | CN2707832Y Anti-tip locating type anti-theft well cover and rain grate cover |
| 07/06/2005 | CN2707831Y Anti-tip locating noise-reducing type well cover base and rain grate base |
| 07/06/2005 | CN2707830Y Anti-theft sealing well tool |
| 07/06/2005 | CN2707829Y Split type composite materials detection manhole cover |
| 07/06/2005 | CN2707828Y Anti-theft catch basin cover |
| 07/06/2005 | CN2707827Y Anti-theft manhole cover |
| 07/06/2005 | CN2707826Y Anti-theft well head device and its unlocking tool |
| 07/06/2005 | CN2707825Y Gummy well cover with pattern |
| 07/06/2005 | CN2707824Y Catch basin cover with hinge and bolt |
| 07/06/2005 | CN2707823Y Covering for sewer well |