| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 04/05/2006 | CN2769355Y Locking cover for manhole |
| 04/05/2006 | CN2769354Y Antitheft manhole cover |
| 04/05/2006 | CN2769353Y Apparatus for extracting manhole cover |
| 04/05/2006 | CN2769352Y Pipeline tunnel covering plate |
| 04/05/2006 | CN2769351Y Precasting structure body |
| 04/04/2006 | CA2368533C Catch basin trap with filter |
| 03/30/2006 | WO2006032755A1 Device for temporarily closing a manhole and a tool for handling said device |
| 03/30/2006 | DE202005019900U1 Street level access cover to sub-surface utility shaft has concrete-filled detent holding locking bolts |
| 03/30/2006 | DE202005019182U1 Pipe adjustment cotter with rubber ring |
| 03/30/2006 | DE102004047823A1 Mauer, insbesondere gegenüber der Lotrechten gegen eine Erdreich-Hinterfüllung geneigte Stützmauer Wall, especially relative to the vertical at an earth backfill inclined retaining wall |
| 03/30/2006 | DE102004046964B3 Device for production of traverses useful for cable line construction and/or insertion of dewatering structures under traffic routes has traverse tube consisting of upper and lower shells (sic) |
| 03/30/2006 | DE102004008643A1 Identification system for covers over underground public utility systems has information data recessed flush in cover and to protect against environmental influences information data has resin coating |
| 03/29/2006 | EP1640510A1 Well |
| 03/29/2006 | CN2767590Y Anti-theft and destruction preventing safety lock for manhole cover |
| 03/29/2006 | CN2767505Y Glass fiber reinforced plastic well cover |
| 03/29/2006 | CN2767504Y Anti-theft well cover |
| 03/29/2006 | CN2767503Y Tri-proof well cover |
| 03/29/2006 | CN1752356A Intelligent model constructuring method for analyzing cavity wall rock stability |
| 03/29/2006 | CN1752355A Prestress manhole cover, manhole grid and mfg. method thereof |
| 03/29/2006 | CN1752354A Methd for building retaining wall and retaining block therefor |
| 03/28/2006 | US7018141 Earth retaining system such as a sheet pile wall with integral soil anchors |
| 03/23/2006 | WO2006030009A1 Brickwork system |
| 03/23/2006 | DE102004036647A1 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 |
| 03/22/2006 | EP1636429A1 Gabion unit and gabion mesh comprising it |
| 03/22/2006 | EP1266097A4 Industrial vault |
| 03/22/2006 | CN1749489A Device for locking and unlocking with key a cover or cap on a frame |
| 03/22/2006 | CN1749488A Method for producing inspection well cover, water grate and well seat combined piece |
| 03/22/2006 | CN1749487A Novel glass fiber reinforced plastic composite well cover |
| 03/22/2006 | CN1749486A Building method for sea-going road |
| 03/22/2006 | CN1749485A Land saving type multifunction storage well |
| 03/22/2006 | CA2482158A1 Debris flow retaining apparatus |
| 03/22/2006 | CA2480252A1 Fall protection insert for manhole |
| 03/16/2006 | US20060058404 a composite material comprising recyclable rubber, glass and polymeric materials and optimally containing some coal combustion by-product, both fiberglass and asphalt roof/siding shingles, recyclable metals, virgin sand, small stones, gravel etc |
| 03/16/2006 | US20060055916 Device for determining the position and direction of channel inlets and channel outlets in sewer manholes |
| 03/16/2006 | US20060053849 Locking mechanism |
| 03/16/2006 | DE102005009036B3 Sealing method e.g. for mining lines and or part of structure, involves having hard bitumen and dearomatised hydrocarbon injected by well-known injection techniques into mountains or into solid |
| 03/15/2006 | EP1635000A1 Manhole cover with ventilation |
| 03/15/2006 | CN2764821Y Well cover made of concrete composite material |
| 03/14/2006 | US7011474 Retaining wall block system |
| 03/09/2006 | US20060051166 Block for constructing retaining wall, prefabricated reinforced retaining wall constructed using the block and construction method of the prefabricated reinforced retaining wall |
| 03/08/2006 | EP1632612A1 Protective arrangement for manhole covers |
| 03/08/2006 | EP1632611A2 Access shaft structure for manholes |
| 03/08/2006 | CN2763357Y Long arm type theft proof manhole cover |
| 03/08/2006 | CN2763356Y Cover for manhole |
| 03/08/2006 | CN2763355Y Theft-proof manhole cover |
| 03/08/2006 | CN1743568A 4-part manhole cover and making method |
| 03/08/2006 | CN1743567A Manhole opening-closing device |
| 03/08/2006 | CN1743566A Device preventing cover seat of manhole from thieving |
| 03/08/2006 | CN1743565A Curved sight-seeing Archimedean bridge |
| 03/08/2006 | CN1743293A Ceramic inspection well cover and its preparing method |
| 03/08/2006 | CN1244737C Inspection well circle mouth seat and inspection well thereof |
| 03/02/2006 | US20060045627 Diagrams for collection of gas from ventures from the sea's bottom |
| 03/02/2006 | US20060042174 Modular riser base |
| 03/02/2006 | DE102005034170A1 Floor drain tub cover, has alternate short and long transverse bars arranged at both sides of central longitudinal bar, where transverse bars are arranged right angle to longitudinal bar and arranged with recesses of same width |
| 03/02/2006 | DE102004049571A1 Ground heat storage reservoir comprises an insulating wall consisting of heat insulating building elements which are arranged side by side and are located in a ground slit filled with a hardenable material |
| 03/01/2006 | EP1630308A2 Prefabricated concrete manhole element |
| 03/01/2006 | EP1171669B1 Apparatus for compensating relative vertical displacements between ground surfaces and framed in-built construction closure members, and mounting method thereof |
| 03/01/2006 | CN2761695Y Load boaring well cover of mud slip well, manhole |
| 03/01/2006 | CN2761694Y Manhole cover spray coated with stainless steel, copper on surface |
| 03/01/2006 | CN2761693Y Device for regulating height of well cover |
| 03/01/2006 | CN1740460A Meshed safe well cover |
| 03/01/2006 | CN1740459A Safety escape unit of Archimedes bridge |
| 03/01/2006 | CN1243886C Stone powder manhole cover and its production method |
| 03/01/2006 | CN1243885C Self-locking clamp-rod engaged with soil reinforced board in soil retaining wall and method thereof |
| 02/23/2006 | DE202004020751U1 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 |
| 02/23/2006 | DE102004039360A1 Duct unit e.g. cover plate, has contact surfaces that are flat and exhibiting ridges or slots, which interrupt maximum twenty percentage of contact surfaces, where duct unit is made up of concrete and ceramic compound |
| 02/22/2006 | EP1627958A1 Manhole structure for use in paved surfaces |
| 02/22/2006 | EP1626848A1 Bottom ring for a mould for casting a concrete pipe with partially embedded rubber strip |
| 02/22/2006 | EP0981673B2 Device for stabilising an unstable shoulder in railway and road construction and method for producing the same |
| 02/22/2006 | CN2760190Y Electromagnetic theft-proof water-proof manhole cover |
| 02/22/2006 | CN2760119Y Locking device for manhole cover |
| 02/22/2006 | CN2760118Y Supporting rack |
| 02/22/2006 | CN2760117Y Decorative plate for manhole cover |
| 02/22/2006 | CN1737274A Stereo reinforcement earth |
| 02/22/2006 | CN1243162C Underground continuous wall frozen construction method |
| 02/21/2006 | US7001112 Geogrid or mesh structure |
| 02/21/2006 | US7001110 Precast concrete retaining wall |
| 02/21/2006 | US7000711 Horizontal bore cryogenic drilling method |
| 02/16/2006 | DE202004015574U1 Abdeckung einer Entwässerungseinrichtung oder eines Schachtbauwerkes Cover a dewatering device or a manhole structure |
| 02/16/2006 | DE102004034548A1 Shaft accessing device, has stay bar with guide pin that guides over inclination at inlet of guide sleeve due to bar weight when stay bar is inserted in sleeve, where fasteners are integrated in sleeve for fixation at shaft wall |
| 02/16/2006 | CA2575809A1 Sewage tanks and grinder pump systems |
| 02/15/2006 | EP1626130A1 Hinged access cover |
| 02/15/2006 | CN2758330Y Low cost antitheft manhole cover |
| 02/15/2006 | CN2758329Y Three dimension steel net rack reinforced concrete inspection well lid |
| 02/15/2006 | CN2757863Y Industrial drain well mouth blocking device |
| 02/15/2006 | CN1242128C Tunnel pipe section floating conveying, sinking and joining construction process |
| 02/14/2006 | US6997639 Method and apparatus for adjusting the height and inclination of roadway and greenway appurtenances |
| 02/09/2006 | WO2006014417A2 Coiled tubing with dual member drill string |
| 02/09/2006 | WO2006013223A1 Security device |
| 02/09/2006 | DE202005019647U1 Cover device for opening of e.g. underground piping has cover and insert each having threads comprised of stages such that stages on cover may be combined with different stages of insert |
| 02/08/2006 | EP1624115A1 Lid for underground structure |
| 02/08/2006 | EP1062392B1 Structure for passage under an embankment |
| 02/08/2006 | CN2756712Y Height adjustable anti-theft manhole cover |
| 02/08/2006 | CN2756711Y Anti-theft manhole cover |
| 02/08/2006 | CN2756710Y Anti-tilting manhole cover with lock |
| 02/08/2006 | CN1730843A Well cover and manufacturing method thereof |
| 02/07/2006 | US6994495 Reinforced retaining wall construction element |
| 02/07/2006 | US6994489 Utility cover system |
| 02/02/2006 | WO2006011828A1 Method for building a shallow tunnel at a water area bottom and a system for temporally dewatering a bottom area |
| 02/02/2006 | WO2006010835A1 Cover for road system device and corresponding road system device |