| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 07/19/2006 | CN2797448Y Anti-theft manhole cover |
| 07/19/2006 | CN2797447Y Corrosion-proof leakage-proof valve well |
| 07/19/2006 | CN2797446Y Structural layer for use in water of lake or pool |
| 07/19/2006 | CN2797445Y Wall surface material supporting structure |
| 07/19/2006 | CN2797444Y Wall surface structure constituted of wall surface material |
| 07/19/2006 | CN2797443Y Slope strengthening anchoring board ribbed retaining wall |
| 07/19/2006 | CN1804240A Anti-theft method for well cover and anti-theft well cover therewith |
| 07/19/2006 | CN1804237A Bagged concrete foundation structure with limit device for immersed tube tunnel |
| 07/19/2006 | CN1804233A Construction process of bagged concrete foundation with limit device for immersed tube tunnel |
| 07/18/2006 | US7079773 Power feeding for an optical transmission system |
| 07/18/2006 | US7076925 Integrated footings |
| 07/13/2006 | DE202006005291U1 Manhole cover e.g. for mounting on traffic surface consists of manhole lid and frame with manhole lid support, a guide tube for turning away manhole lid whereby manhole lid can be raised by turning of threaded spindle |
| 07/13/2006 | DE102004063054A1 Manhole cover has frame with cage shaped seatings for nuts to receive cover retaining bolts |
| 07/13/2006 | DE102004063048A1 Lock assembly for manhole cover has housing containing vertically movable locking plate which selectively prevents rotation of locking bolt |
| 07/12/2006 | EP1554228B1 Construction material on a plant basis and method for the producing of this construction material. |
| 07/12/2006 | CN2795300Y Double layer water-proof manhole cover |
| 07/12/2006 | CN2795299Y Water drain inspection well |
| 07/12/2006 | CN2795298Y Large rigidity underground continuou wall |
| 07/12/2006 | CN1802474A Gabion unit and gabion mesh comprising it |
| 07/12/2006 | CN1800515A S shape spiral anti-theft device for manhole cover |
| 07/12/2006 | CN1800514A Big section pipe roof- box culvert jacking construction method |
| 07/12/2006 | CN1800513A Steel pipe roof jacking construction method |
| 07/12/2006 | CN1800511A Self-support supporting construction |
| 07/12/2006 | CN1800081A Magnesite composite material piping shaft cover and its production process |
| 07/11/2006 | US7073984 Retaining wall construction element and shear key |
| 07/11/2006 | US7073983 Earthen retaining wall having flat soil reinforcing mats which may be variably spaced |
| 07/06/2006 | WO2006070191A1 A manhole assembly and related method |
| 07/06/2006 | DE10244505B4 Hebevorrichtung Hoist |
| 07/06/2006 | CA2592192A1 A manhole assembly and related method |
| 07/05/2006 | EP1546468A4 Concrete module for retaining wall and improved retaining wall |
| 07/05/2006 | CN2793164Y High-strength and composite greening cap |
| 07/05/2006 | CN1796666A Cover of waste well made from worn-out modified plastic |
| 06/29/2006 | WO2006068519A1 Tyre placement and pilling apparatus and method |
| 06/29/2006 | WO2006068447A1 Double wall structure type mechanically stabilized earth wall system |
| 06/29/2006 | WO2006067250A1 Method and device for producing sills in circular pits |
| 06/29/2006 | DE202006001584U1 Molded load transfer ring for installation in shaft ring`s socket mirror, has compensation unit, where transfer ring is divided into circular segments, and expansion groove radially extending to frontal segment or within segments |
| 06/29/2006 | DE10245350B4 Zylindrische Hülle Cylindrical shell |
| 06/29/2006 | CA2594063A1 Tyre placement and pilling apparatus and method |
| 06/28/2006 | EP1673510A1 Reinforced soil structure and method for constructing it |
| 06/28/2006 | EP1415052A4 Grooved retaining wall block and system |
| 06/28/2006 | CN2791115Y Combined injection-moulded square manhole ring |
| 06/28/2006 | CN2791114Y Manhole cover anti-theft device |
| 06/28/2006 | CN2791113Y Antitheft manhole cover |
| 06/28/2006 | CN1793529A Method for mfg. manhole cover and special mould thereof |
| 06/28/2006 | CN1793528A GRP examine and repair hole structure and manufacturing method of GRP examine and repair hole and connection tube |
| 06/28/2006 | CN1793527A Method for construction of underground continuous steel jacket box |
| 06/27/2006 | US7067001 Mixture of aggregate, cement, fly ash and fibers |
| 06/22/2006 | US20060131463 Gabion unit and gabion mesh comprising it |
| 06/21/2006 | EP1670993A1 Lid for a shaft cover and shaft cover |
| 06/21/2006 | CN2789317Y Antitheft manhole cover and manhole cover key |
| 06/21/2006 | CN1789569A Underwater opening type isopiestic hall |
| 06/20/2006 | US7062885 Foundation wall, construction kit and method |
| 06/15/2006 | US20060127178 Socket hinged construction casting assembly |
| 06/14/2006 | EP1668196A1 Inspection chamber, as well as set of base parts therefor |
| 06/14/2006 | DE102005015680A1 Concrete finished shaft part for shaft structures useful for for concrete shafts and pipelines has reinforcing device at inner ring surface of bell sleeve (sic) and load equalizing load transfer element |
| 06/14/2006 | CN2787730Y Anti-theft well cover with 3-ton spring force |
| 06/14/2006 | CN2787729Y Anti-theft well cover |
| 06/14/2006 | CN2787728Y Anti-theft manhole cover |
| 06/14/2006 | CN2787727Y 道路人孔装置 Road manhole device |
| 06/14/2006 | CN2787726Y Mould for making well cover |
| 06/14/2006 | CN1788123A Lid for underground structure |
| 06/14/2006 | CN1786355A Thin shell filling manhole cover capable of regulating height |
| 06/14/2006 | CN1786354A Anti-theft manhole cover |
| 06/13/2006 | US7059808 Split key segmental retaining wall system |
| 06/13/2006 | US7059806 Hole former for an invert |
| 06/08/2006 | DE202006003408U1 Shaft covering with casted socket as access help e.g. for covering shaft for surface water drainage, has framework made from cast material and placeable on shaft with cover provided for locking shaft with framework |
| 06/07/2006 | CN2786207Y Anti-theft well cover |
| 06/07/2006 | CN2786206Y Well mouth device for municipal engineering |
| 06/07/2006 | CN2786205Y Self-locking well cover |
| 06/06/2006 | US7055286 Modular post system and method of construction |
| 06/01/2006 | WO2006057986A1 Retaining wall block with face connection |
| 06/01/2006 | DE202006004802U1 Metal grid to be used for holding plants at walls beside road, comprising holding elements attached to inwards bent spots |
| 06/01/2006 | DE202006000354U1 Lifting trolley for manhole covers has slidable telescopic cross tube with end frames supporting handles and wheels |
| 06/01/2006 | CA2586954A1 Retaining wall block with face connection |
| 05/31/2006 | EP1662052A1 Apparatus for locking a cover on a frame |
| 05/31/2006 | EP1662051A2 System for connecting manhole with supply mains to buildung |
| 05/31/2006 | EP1662050A1 Reinforced soil works and facing elements for construction thereof |
| 05/31/2006 | EP1144764B1 An electro kinetic geosynthetic structure |
| 05/31/2006 | CN2784466Y Combustible gas catch basin cover with alarming and theft-preventing functions |
| 05/31/2006 | CN2784465Y Anti-shock manhole |
| 05/31/2006 | CN2784464Y Anti-theft cover for manhole |
| 05/31/2006 | CN2784463Y Floor space-saving type multifunctional storage well |
| 05/30/2006 | CA2265079C Wall construction block with retaining pin inserts |
| 05/26/2006 | WO2006054353A1 Retaining wall structure |
| 05/26/2006 | CA2527900A1 Conduit assembly and method of use thereof |
| 05/25/2006 | CA2515316A1 Reinforced in-ground structure and facing elements for its construction |
| 05/24/2006 | DE202004020977U1 Waterproof manhole cover, has retaining unit to hold diagonal cross bar that is removable, and sealing units to seal contact surface of cross bar against back surface, and top cover against back surface and contact surface |
| 05/24/2006 | DE102004053188A1 Cover for tunnel shaft, has seal made from e.g. silicon, and with lugs that are shiftably arranged to each other at their lower and upper sides, and run in longitudinal direction of sides of frames, where manhole cover is wedged with frames |
| 05/24/2006 | CN2782864Y Well cover lock device |
| 05/24/2006 | CN2782859Y Well cover puzzle lock |
| 05/24/2006 | CN2782777Y Moulded compound material manhole cover |
| 05/24/2006 | CN2782776Y Manhole cover |
| 05/24/2006 | CN2782775Y High-strength corrosion-proof compound material manhole cover |
| 05/24/2006 | CN2782774Y Cipher opened theft-proof manhole cover |
| 05/24/2006 | CN2782773Y Structure improved inanhole cover |
| 05/24/2006 | CN2782772Y Manhole lock set |
| 05/24/2006 | CN2782771Y Theft-proof manhole cover |
| 05/24/2006 | CN2782770Y Warning safety net for manhole |
| 05/24/2006 | CN2782769Y Built-in double safety theft-proof lock for manhole cover |
| 05/24/2006 | CN2782768Y Manhole theft-proof cover for sewer |