| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 05/20/2009 | CN201241337Y Elliptical inspection manhole cover |
| 05/20/2009 | CN201241336Y Novel retaining wall blocking and arranging building blocks |
| 05/20/2009 | CN201241330Y Telescoping self-creeping type closed apparatus |
| 05/20/2009 | CN201241323Y Outside cable ditch water discharge structure |
| 05/20/2009 | CN201241305Y Tunnel type non-obstacle crossroad road structure |
| 05/20/2009 | CN101435205A Hole cap and manufacturing method thereof |
| 05/20/2009 | CN101435204A Road manhole screwdriver |
| 05/20/2009 | CN101435203A Construction method of semi-inverse frame construction in underground engineering |
| 05/20/2009 | CN101435202A Cantilevered type retaining wall reinforcement composite structure |
| 05/20/2009 | CN101435200A Combined cofferdam construction method |
| 05/14/2009 | WO2009039536A3 Particulate material retaining bag for wall constructions and erosion control |
| 05/14/2009 | US20090123227 Dual lifting manhole cover |
| 05/14/2009 | US20090120013 Riser pan component for on-site waste systems |
| 05/14/2009 | CA2700226A1 Wall block with weight bearing pads and method of producing wall blocks |
| 05/13/2009 | EP2057079A2 Reinforced composite manhole cover assembly and components thereof |
| 05/13/2009 | CN201236554Y Hollow anti-theft well cover lock |
| 05/13/2009 | CN201236346Y Cast iron support with shock-proof device |
| 05/13/2009 | CN201236345Y Integral inspection chamber for fibre-reinforced plastics sand inclusion |
| 05/13/2009 | CN201236344Y Ecological greening brick laying |
| 05/13/2009 | CN101429785A Self-condensing water stop tie and method for producing the same |
| 05/13/2009 | CN101429771A Bar-shape hermetic seal air bag |
| 05/13/2009 | CN100487206C Device for articulating a stopper or lid to a frame in particular of a man hole |
| 05/13/2009 | CN100487205C Vegetation block and outer layer body for vegetation block |
| 05/12/2009 | US7530763 Apparatus for the creation of outer surfaces for structures |
| 05/07/2009 | WO2009058316A1 Securable retaining wall block and system |
| 05/07/2009 | WO2009056758A2 Manhole cover |
| 05/07/2009 | WO2009019379A3 Highways device with support frame and crown element such as a manhole cover or lid mounted to hinge on the frame |
| 05/07/2009 | US20090116911 Interlocking and securable retaining wall block and system |
| 05/07/2009 | US20090114769 Transportation apparatus and methods |
| 05/06/2009 | EP1321584B1 Structure utilizing geothermal energy |
| 05/06/2009 | CN201232203Y Linkage locking type anti-theft manhole cover |
| 05/06/2009 | CN201232202Y Inspection well cover made by novel fiber reinforcement composite material |
| 05/06/2009 | CN201232201Y Adjustable manhole cover |
| 05/06/2009 | CN201232200Y Circular arch well cover for sewer |
| 05/06/2009 | CN201232199Y Manhole cover opening tool |
| 05/06/2009 | CN201232198Y Novel inspection well cover |
| 05/06/2009 | CN201232197Y Combined inspection well |
| 05/06/2009 | CN201232196Y Deep water diffuser for riverway double layer sewage discharge |
| 05/06/2009 | CN101424084A Spheroidal graphite cast iron combined manhole cover |
| 05/06/2009 | CN100485139C Pipe with steps and its application in manhole |
| 05/06/2009 | CN100485138C Suspended submarine tunnel |
| 05/06/2009 | CN100485132C Formative method for row-pile style water-proof wall underground |
| 04/30/2009 | WO2009053010A1 Device for locking a cover on a frame on a shaft, tunnel or the like |
| 04/30/2009 | WO2009035349A3 Improvements to closures for subsurface chambers |
| 04/30/2009 | US20090110491 Securable retaining wall block and system |
| 04/30/2009 | DE102007051025A1 Pumpschacht Pump shaft |
| 04/29/2009 | EP2052113A1 Security barrier |
| 04/29/2009 | CN201228361Y Novel anti-stealing manhole cover capable of preventing rust and sound |
| 04/29/2009 | CN201228360Y Manhole cover |
| 04/29/2009 | CN201228359Y Theftproof manhole cover |
| 04/29/2009 | CN201228337Y Environment friendly and energy-saving road crossing for relieving traffic pressure |
| 04/29/2009 | CN101419295A Hydrometry wellhead closing device |
| 04/29/2009 | CN101418579A Detection method of diaphragm wall clay seam |
| 04/29/2009 | CN101418578A Well bore for fire-fighting detection of water supply and drainage |
| 04/29/2009 | CN101418577A Cover and cut construction method of underground space road surface at soft soil area |
| 04/29/2009 | CN101418576A Method for partial dismantling and recovering support |
| 04/29/2009 | CN101418575A L shaped retaining wall, construction method and detection method thereof |
| 04/29/2009 | CN101418572A Pit construction method employing precast support |
| 04/29/2009 | CN101418569A Optimization complex arch wall combining prefabricated arch leaf, support and major structure |
| 04/29/2009 | CN101418568A Construction method for thrusting diaphragm wall locking pipe |
| 04/29/2009 | CN101418538A Simulation stone facing concrete element and method for producing the same |
| 04/28/2009 | US7524144 Retaining wall |
| 04/23/2009 | WO2009052302A2 Retaining wall block |
| 04/23/2009 | WO2008002308A3 Methods, systems and apparatus for maintaining seawalls |
| 04/23/2009 | US20090103988 Retaining wall and blocks for the formation thereof |
| 04/23/2009 | US20090103987 Retaining wall block |
| 04/23/2009 | US20090101876 Opening/Closing Device for Manhole Cover |
| 04/23/2009 | US20090100772 Fractionally-possessed underground shelter method and apparatus |
| 04/23/2009 | US20090100768 Cover for prestressed concrete member |
| 04/23/2009 | CA2700908A1 Retaining wall block |
| 04/22/2009 | EP2050880A1 Manhole cover look |
| 04/22/2009 | EP2050879A1 Stabilisation strip designed to be used in structures with reinforced floor |
| 04/22/2009 | CN201225015Y Metallurgy large-scale underground tank construction formwork |
| 04/22/2009 | CN201224890Y High and light type anchorage cable pile panel wall in high filling branch block engineering |
| 04/22/2009 | CN201224889Y High and light type anchoring plate retaining wall in high filling branch block engineering |
| 04/22/2009 | CN101413273A Method for eliminating pit buoyancy and pit structure |
| 04/22/2009 | CN100480476C Full-functional well ditch cover |
| 04/22/2009 | CN100480211C Ceramic inspection well cover and preparing method thereof |
| 04/16/2009 | WO2009024700A9 Reinforced stabilisation strip to be used in reinforced ground works |
| 04/16/2009 | WO2007018903A3 Seismic, pressure and heat resistant wall |
| 04/16/2009 | DE102007049246A1 Height compensating device for channel manhole cover, has set of compensating rings made of plastic, where each ring has set of recesses provided at lower surface, and set of heels provided at upper surface |
| 04/15/2009 | EP2048288A1 Manhole stepsystem and fixation method thereof during rotomoulding production |
| 04/15/2009 | EP2047037A1 Wave energy converter |
| 04/15/2009 | EP1475872B1 Articulated duct for the housing of undeground conductors |
| 04/15/2009 | CN201221145Y Rectangle inspection shaft concrete brick |
| 04/15/2009 | CN201221096Y Keyhole plug of cover for sand drain |
| 04/15/2009 | CN201221095Y Anti-theft anti-block cable manhole cover |
| 04/15/2009 | CN201221094Y Manhole cover stand |
| 04/15/2009 | CN201221093Y Anti-theft manhole cover |
| 04/15/2009 | CN201221092Y Theftproof manhole cover |
| 04/15/2009 | CN201221091Y Anti-stealing manhole cover having fixing function and anti-stealing function |
| 04/15/2009 | CN201221090Y Prefabricated reinforced concrete communication manhole shaft |
| 04/15/2009 | CN201221089Y Prefabricated reinforced concrete combined type communication handhole well |
| 04/15/2009 | CN201221088Y Enlarging type water jet groover used in thin wall underground continuous wall construction |
| 04/14/2009 | US7517176 Masonry block |
| 04/14/2009 | US7517175 Method for maintaining seawalls |
| 04/14/2009 | US7516575 Rooftop opening safety railing |
| 04/09/2009 | WO2008025029A3 Reinforced composite manhole cover assembly and components thereof |
| 04/09/2009 | US20090090077 Retaining wall block and system |
| 04/09/2009 | US20090090060 Doorvalbeveiliging |