| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 03/21/2007 | CN2880925Y Antitheft manhole cover with solar energy electronic achor |
| 03/21/2007 | CN1932169A Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water |
| 03/21/2007 | CN1932160A Component assembling construction auxiliary apparatus in hydraulic engineering and using method thereof |
| 03/19/2007 | CA2520111A1 Covering apparatus for opening of underground pipeline or box |
| 03/19/2007 | CA2520092A1 Underwater oil storage method and system |
| 03/15/2007 | WO2007028228A1 Constructions and reinforcement structures of connected sandbags |
| 03/15/2007 | WO2006037020A3 Single solenoid guide system |
| 03/15/2007 | US20070059102 Precast concrete bridge and headwall assembly and method of production |
| 03/15/2007 | US20070059094 Covering apparatus for opening of underground pipeline or box |
| 03/14/2007 | CN2878517Y Agglomerated rock concrete anti-theft manhole |
| 03/14/2007 | CN2878516Y Insect protected machine for opening manhole |
| 03/14/2007 | CN2878515Y Theft-proof manhole cover |
| 03/14/2007 | CN2878514Y Well cover |
| 03/14/2007 | CN2878513Y Theft-proof manhole cover |
| 03/14/2007 | CN1928259A Ablate spherical well cover with multi-layer casting |
| 03/14/2007 | CN1928258A Anti-theft jumping prevention structure integrated well cover and method for antitheft |
| 03/14/2007 | CN1928257A Full-functional well ditch cover |
| 03/14/2007 | CN1928256A Polymer base composite well seat |
| 03/14/2007 | CN1928255A Apparatus and method of oil storage in water |
| 03/14/2007 | CN1927937A Nona modified fiber reinforcement high-performance polymer concrete well cover |
| 03/14/2007 | CN1304190C Manhole cover of composite material |
| 03/14/2007 | CA2515818A1 Manhole plug |
| 03/13/2007 | CA2403702C Method and apparatus for lining manholes |
| 03/08/2007 | US20070053750 Inspection chamber, as well as set of base parts therefor |
| 03/08/2007 | DE102005040987A1 Lifting device for duct cover, has receiving device with downward hook units and hook plates, which are inserted into longitudinal slots or opening and are slided with their projections under bottom side of covers |
| 03/08/2007 | CA2518573A1 Constructions and reinforcement structures of connected sandbags |
| 03/08/2007 | CA2518571A1 Sandbag retaining walls adapted for plant growth |
| 03/07/2007 | CN2876187Y Composite back sticking type water stopping belt |
| 03/07/2007 | CN2876186Y Inspection well cover |
| 03/07/2007 | CN2876185Y Improved structure of manhole cover |
| 03/07/2007 | CN1924203A Connecting method and structure for horizontal impervious layer and drainage vertical shaft of red mud yard |
| 03/07/2007 | CN1924202A Locking device for manhole cover |
| 03/07/2007 | CN1303287C Revetment block and mat |
| 03/01/2007 | CA2552586A1 Improved gate valve sealing structure |
| 02/28/2007 | EP1757737A1 Vegetation block and outer layer body for vegetation block |
| 02/28/2007 | CN2873890Y Openable road pipeline net protective cover |
| 02/28/2007 | CN2873889Y Anti-theft manhole cover |
| 02/28/2007 | CN1922366A A covering for an access aperture, and related assemblies |
| 02/28/2007 | CN1920186A Sea-water spanning underslung flow type tunnel bridge |
| 02/28/2007 | CN1920179A Three-dimensional space supportive gridiron for refraining from deflection of two side walls and wings walls of river |
| 02/28/2007 | CA2517669A1 Retaining wall constructed using sandbags |
| 02/27/2007 | CA2277685C Vault construction process, supporting member and half-shell for the construction of the vault |
| 02/27/2007 | CA2244984C Composite retaining wall |
| 02/22/2007 | WO2007021880A1 Continuous chamber mass confinement cells and methods of use thereof |
| 02/22/2007 | WO2007021114A1 Structure for reinforcing a corrugated steel plate |
| 02/22/2007 | WO2007020398A1 Manhole cover assembly |
| 02/22/2007 | WO2005111373A3 Continuous chamber environment resistant retaining wall block and methods of use thereof |
| 02/22/2007 | US20070039248 Utility portal |
| 02/22/2007 | CA2618391A1 Continuous chamber mass confinement cells and methods of use thereof |
| 02/21/2007 | EP1754834A1 Cover frame for a manhole |
| 02/21/2007 | EP1753920A1 Covered plastic lock |
| 02/21/2007 | CN2871754Y Safety manhole cover lock |
| 02/21/2007 | CN2871657Y Rotary safety shock-absorbing manhole cover |
| 02/21/2007 | CN2871656Y Safety manhole cover |
| 02/21/2007 | CN2871655Y Safe waterproofing device of wireless pressure-testing well |
| 02/21/2007 | CN2871654Y Safety manhole cover |
| 02/21/2007 | CN2871653Y Rotary safe manhole cover |
| 02/21/2007 | CN2871652Y Porous-wall buffering method |
| 02/21/2007 | CN2871651Y Multi-arch reinforced earth baffle structure |
| 02/21/2007 | CN1916298A Wall structures and method for constructing the structure |
| 02/20/2007 | US7178290 Manhole cover having a locking crossbar |
| 02/15/2007 | DE19611946B4 Schachtabdeckung bzw. Straßenkappe und Verfahren zum Einbau in eine Straße Manhole cover and road cap and method for installation in a street |
| 02/14/2007 | EP1752584A2 Access cover |
| 02/14/2007 | EP1751397A2 Continuous chamber environment resistant retaining wall block and methods of use thereof |
| 02/14/2007 | EP1751355A2 Asymmetric retaining wall block |
| 02/14/2007 | CN2869226Y Magnetic code programmed anti-theft ground well lock |
| 02/14/2007 | CN2869138Y Steel-rubber inspection wall cover |
| 02/14/2007 | CN2869137Y Anti-theft manhole cover |
| 02/14/2007 | CN2869136Y Anti-theftground manhole cover |
| 02/14/2007 | CN1912259A Multipurpose pipe type manhole |
| 02/14/2007 | CN1912258A Tunnel processing system suitable for large stratigraphic uniform sedimentation or dislocation |
| 02/14/2007 | CN1912257A Method for adapting to large stratigraphic uniform sedimentation or dislocation of open trench tunnel |
| 02/08/2007 | US20070031190 Multi-use adapter ring for stackable riser components for on-site waste systems |
| 02/08/2007 | DE202006018428U1 House connection sewer for use in civil engineering fields, has supporting units, which absorb impact of soil during one-sided loading and restrict collapsing of soil during shifting of connection lines |
| 02/08/2007 | DE202006017056U1 Wandkonstruktion aus Frontelementen und Geogitterelementen Wall construction of front elements and Geogitterelementen |
| 02/07/2007 | EP1749135A1 Plantable reinforced earth wall and its block and construction method of reinforced earth wall. |
| 02/07/2007 | EP1246972B1 Pre-stressed modular retaining wall system and method |
| 02/07/2007 | CN2866626Y Hidden lock type antitheft manhole cover |
| 02/07/2007 | CN2866625Y Waterproof manhole cover |
| 02/07/2007 | CN2866624Y Manhole cover |
| 02/07/2007 | CN2866623Y Winding formed rectangular plastic inspection manhole |
| 02/07/2007 | CN2866622Y Antitheft, antiimpact and antiside turning over manhole cover |
| 02/07/2007 | CN2866621Y Antitheft and noiseproof manhole cover |
| 02/07/2007 | CN2866620Y Antitheft manhole cover |
| 02/07/2007 | CN2866619Y Manhole cover antitheft device |
| 02/07/2007 | CN2866618Y Antitheft and noiseproof manhole cover |
| 02/07/2007 | CN2866617Y Manhole advertising cover |
| 02/07/2007 | CN2866616Y Picture arranging manhole cover |
| 02/07/2007 | CN2866615Y Manhole shaped cover assembly |
| 02/07/2007 | CN2866614Y Antileakaging combined concrete manhole |
| 02/07/2007 | CN2866613Y Adjustable manhole base structure |
| 02/07/2007 | CN2866612Y Manhole cushion cap |
| 02/07/2007 | CN1908325A Lifting/lowering type underground bin |
| 02/06/2007 | CA2346842C Storage installation for liquified gases |
| 02/01/2007 | WO2007013074A1 A method for tunnel construction |
| 02/01/2007 | WO2007012864A1 Ground reinforcement |
| 02/01/2007 | WO2007012758A2 Device for articulating a stopper or lid to a frame in particular of a man hole |
| 02/01/2007 | WO2004076759A3 Building block, system and method |
| 02/01/2007 | CA2615102A1 A method for half-tunnel construction |
| 01/31/2007 | EP1748111A2 A block for constructing reinforced earth wall |