| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 07/01/2004 | WO2002068770A8 Fluent material confinement system |
| 06/30/2004 | EP1034336B1 Retaining wall system |
| 06/30/2004 | CN2622254Y Lifting conjugated theft-proof cover of manhole |
| 06/30/2004 | CN2622253Y Theft-proof man-hole cover bocked by rotating cam expansion link |
| 06/30/2004 | CN2622252Y Undergroung building well made of precast concrete |
| 06/30/2004 | CN1155757C Segmental retaining wall system |
| 06/29/2004 | US6755481 Cutting blade and method for cutting pavement in a circle |
| 06/24/2004 | WO2004053239A1 Block for constructing retaining wall, prefabricated reinforced retaining wall constructed using the block and construction method of the prefabricated reinforced retaining wall |
| 06/24/2004 | US20040120762 Adjustable utility access |
| 06/24/2004 | US20040118071 Multiuse block and retaining wall |
| 06/24/2004 | DE10256421A1 Verfahren und Vorrichtung zum Herstellen eines Tunnels oder eines Troges Method and apparatus for manufacturing a tunnel or a trough |
| 06/23/2004 | EP1175532B1 Geotextile fabric |
| 06/23/2004 | CN2621193Y Resin man-hole cover |
| 06/23/2004 | CN2621192Y Precast underground exposed wall |
| 06/22/2004 | US6752570 Shoring system apparatus and method for shoring |
| 06/22/2004 | US6752565 Manhole cover system |
| 06/16/2004 | EP1427894A1 Cover arrangement |
| 06/16/2004 | CN2620726Y Combined manhole structural component |
| 06/16/2004 | CN1154214C Connector for cable protecting tube |
| 06/15/2004 | US6749363 Aircraft service pit lid hinge |
| 06/10/2004 | US20040109729 Soil-nail apparatus and method for constructing soil reinforced earthen retaining walls |
| 06/10/2004 | US20040109727 Method and device for adjusting height of manhole |
| 06/09/2004 | EP1426495A2 Method and device for the construction of a tunnel or a trench |
| 06/09/2004 | DE202004003397U1 Public highway manhole cover for vertical shaft has a sub-surface with a curved ridge resting on a sub-frame to prevent rocking |
| 06/09/2004 | CN2619975Y Anti-theft manhole cover device |
| 06/03/2004 | WO2004046469A1 Access covers |
| 06/02/2004 | EP1424418A1 Structured geotextiles and process for their production |
| 06/02/2004 | CN1152178C Method for manufacturing metallic manhole ring cover with colored pattern |
| 06/01/2004 | US6743088 Apparatus and method for minimizing liquid infiltration into subterranean openings |
| 06/01/2004 | US6742967 Structure for fastening soil nails to reinforced soil retaining walls |
| 05/27/2004 | US20040098938 Decorated concrete block |
| 05/27/2004 | DE10252185A1 Manhole cover/top has support surface for lid and contact support surface engaging on building part, both divided into alternating part surfaces with damper inserts |
| 05/27/2004 | DE10252018A1 Safety net for improving safety at work during specialized underground operations, in particular, during micro-tunneling comprises a ring which is provided with net halves separated by a gap |
| 05/27/2004 | DE10250233A1 Shutoff device for sewer pipes to prevent entry of rainwater during floods consists of hatch cover with metal lid with rubber band seal and locking bolts for hermetic seal |
| 05/26/2004 | EP1422353A1 Boundary box and method |
| 05/26/2004 | EP1334237B1 Building component and retaining wall comprising same |
| 05/26/2004 | CN2617823Y 钢制地下阀门井 Steel underground valve well |
| 05/25/2004 | US6739796 High security manhole insert cover |
| 05/21/2004 | WO2002092285A3 Block dressing apparatus and method |
| 05/20/2004 | US20040096277 Subterranean structrues and methods for constructing subterranean structures |
| 05/19/2004 | EP1419300A2 Barrier and a device for erecting the same |
| 05/19/2004 | EP1252398B1 Wall structure |
| 05/19/2004 | EP1218283B1 Panels and lifting implements therefor |
| 05/19/2004 | EP1038069A4 Retaining wall block |
| 05/19/2004 | DE202004000715U1 Sealing element for construction of water-proof outer walls for rooms in water-logged ground consists of support with concrete steel brackets and flat joint element with butyl rubber coating |
| 05/19/2004 | CN2616575Y Novel structure of ground-connecting-awll grooving device by water-jet method |
| 05/19/2004 | CN1496813A 滚轧装置 Rolling device |
| 05/18/2004 | US6736568 Electro kinetic geosynthetic structure |
| 05/18/2004 | US6735992 Device for mutually locking two elements, in particular a covering element to an element forming a support frame |
| 05/13/2004 | WO2004018779A3 Reinforcing system for stackable retaining wall units |
| 05/13/2004 | US20040091318 Adjusting device for installing a manhole ring onto a manhole |
| 05/13/2004 | US20040089345 Cable routing in wastewater lift station |
| 05/13/2004 | US20040088931 Structure for fastening soil nails to reinforced soil retaining walls |
| 05/13/2004 | DE202004002398U1 Drain or sink shaft houses a filter consisting of a textile or fleece material containing one or more different reduction agents with specified normal potentials |
| 05/12/2004 | EP1418285A1 Modular interlocking framing elements |
| 05/12/2004 | EP1417104A2 Apparatus and method for impressing patterns in a slip-formed concrete wall |
| 05/12/2004 | EP1240392B1 Slope stabilising means |
| 05/12/2004 | EP1149218B1 Palisade |
| 05/12/2004 | CN2615203Y Road manhole cover |
| 05/12/2004 | CN2615201Y Multifunction combined steel grid structure |
| 05/12/2004 | CN1149322C Underground structure with directional natural ventilation |
| 05/06/2004 | WO2004038105A1 Block for forming leading passage, and panel member and frame for constructing wall body with leading passage |
| 05/06/2004 | WO2004037742A1 Method for the production of a plant-based construction material and construction material obtained by means of said method |
| 05/06/2004 | WO2004009921A3 Portable shielding system |
| 05/06/2004 | EP1415053A2 Multi-channel retaining wall block and system |
| 05/06/2004 | EP1415052A2 Grooved retaining wall block and system |
| 05/06/2004 | DE10249546A1 Bauwerk mit einer Pufferschicht und Verfahren zum Herstellen eines Bauwerks Structure with a buffer layer and method of making a building |
| 05/06/2004 | CA2505081A1 Method for the production of a plant-based construction material and construction material obtained by means of said method |
| 05/05/2004 | CN2614226Y Safe anti-theft well cover and curb |
| 05/05/2004 | CN1148495C Anti-theft manhole cover |
| 04/29/2004 | WO2003066970A3 Revetment block and mat |
| 04/29/2004 | WO2003062538A3 Interlocking and securable retaining wall block and system |
| 04/29/2004 | US20040080118 Expansion ring assembly |
| 04/28/2004 | EP1413682A1 Modular enclosure for buried pipelines |
| 04/28/2004 | EP1413681A2 Building with a buffering and method of making said building |
| 04/28/2004 | EP1183434B1 Device for locking a cover element on a support frame |
| 04/22/2004 | WO2004033843A2 Subterranean structures and methods for constructing subterranean structures |
| 04/22/2004 | US20040074193 Component for spatial grid supporting systems comprising filler material especially for retaining walls or noise-abatement walls, and corresponding structure |
| 04/22/2004 | US20040074192 Building block |
| 04/22/2004 | DE20219816U1 Method for fitting steps into vertical shaft has plastic moulded steps clipped onto retaining grips on the shaft walls with a removable fitting |
| 04/22/2004 | DE202004001058U1 Fertigteil aus Beton für Stützwände mit Geogitterrückverhängung Precast concrete retaining walls with Geogitterrückverhängung |
| 04/22/2004 | DE202004000667U1 Tool for lifting manhole covers has an upright lever with two wheels straddling the cover and with a rigid lifting arm and pendant hook to grip the cover |
| 04/21/2004 | EP1409841A1 System for supporting substantially rigid linear structures |
| 04/21/2004 | EP1409796A1 Method for producing a damped manhole |
| 04/21/2004 | CN2612767Y Cipher lock for well cover |
| 04/21/2004 | CN2612729Y Arched well cover |
| 04/21/2004 | CN2612728Y Superload clutch for cipher lock well cover |
| 04/21/2004 | CN2612727Y Well cover with cipher lock |
| 04/21/2004 | CN2612726Y Theft-proof catch basin cover board |
| 04/21/2004 | CN2612725Y Underground shaft sealing device |
| 04/21/2004 | CN2612724Y Wide width wing opening locking H-shaped steel |
| 04/21/2004 | CN1490470A Shore-surrounding archimedes bridge |
| 04/21/2004 | CN1490468A Inter-anchored thin retaining wall |
| 04/20/2004 | US6722813 Road network device with articulated cover |
| 04/15/2004 | WO2004031505A2 Building element and retaining wall |
| 04/15/2004 | WO2004031491A2 Angle adjustable utility access and method |
| 04/15/2004 | US20040071508 Method and apparatus for adjusting the height and inclination of roadway and greenway appurtenances |
| 04/15/2004 | US20040069024 Device for mutually locking two elements, in particular a covering element to an element forming a support frame |
| 04/15/2004 | DE10245350A1 Cylindrical shell, e.g. for producing columns, is made by winding material and sewing overlapping edges together |
| 04/14/2004 | EP1408161A2 Concrete building block for retaining walls with geogrid retention |