| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 04/14/2004 | CN2611438Y Damping, sealnig rubber ring for drain manhole cover |
| 04/13/2004 | US6719498 Slope stabilizer |
| 04/13/2004 | US6719492 Top arch overfilled system |
| 04/13/2004 | US6719487 Structural unit for construction, construction of said structural units, and method for the preparation of said structural units and said construction |
| 04/13/2004 | US6718692 Safety hatch for preventing fall-through and unauthorized entry |
| 04/08/2004 | WO2004028765A1 Method of producing natural stone panel |
| 04/08/2004 | WO2004015213A3 Grate for closing a drain and similar |
| 04/08/2004 | WO2003102312A3 Retaining wall block |
| 04/08/2004 | US20040064905 Bridge construction method |
| 04/08/2004 | DE10245648A1 Verfahren zur Herstellung von Geobarriern für Absperrungen und Abstützungen im Hoch-und Tiefbau sowie Einrichtung zur Durchführung des Verfahrens Process for the preparation of Geobarriern for barriers and supports in civil engineering and device for carrying out the method |
| 04/08/2004 | DE10156950A1 Construction method for underwater tunnels with steel tunnel sections fabricated on land, acting as lost shuttering and water-protection for internal concrete lining, and completely fitted-out before lowering into water |
| 04/07/2004 | EP1405950A1 Method of forming geobarriers for use underground and device for forming such barriers |
| 04/07/2004 | EP1341971A4 Environment resistant retaining wall block and methods of use thereof |
| 04/07/2004 | CN2609971Y Cover of cable manhole |
| 04/07/2004 | CN1487151A Archimedes bridge with protecting shell |
| 04/06/2004 | US6715965 Retaining wall blocks and retaining walls constructed from such blocks |
| 04/06/2004 | US6715964 Earth retaining system such as a sheet pile wall with integral soil anchors |
| 04/01/2004 | WO2004027161A1 Improved element for forming ground covering, restraining and reinforcing structures |
| 04/01/2004 | US20040062615 Geogrid or mesh structure |
| 04/01/2004 | US20040062614 Reinforcement connection for pre-cast wall panel |
| 04/01/2004 | US20040062613 Retaining wall system |
| 04/01/2004 | US20040062609 Hybrid arched overfilled structure |
| 04/01/2004 | DE19964328B4 Vertical shaft for drainage system has set of vertically-stacked rings with side entrances for drainage pipes and has pipes entering and leaving tangentially and passing over gently-sloping floors |
| 04/01/2004 | CA2496163A1 Improved element for forming ground covering, restraining and reinforcing structures |
| 03/31/2004 | EP1402120A1 Assembly device for use in reinforced soil construction |
| 03/31/2004 | CN2608562Y Theft-proof manhole cove |
| 03/31/2004 | CN1485566A X-ray fluuorroscopy device |
| 03/31/2004 | CN1143921C Closing device with selective locking |
| 03/30/2004 | US6714729 Automatic motion-controlled photographing apparatus and related photographing method |
| 03/30/2004 | CA2442191A1 Reinforcement connection for pre-cast wall panel |
| 03/25/2004 | DE10237569A1 Securing device for a cover lock, especially for a water channel cover lock, comprises a flange fixed to a cover and having fixing bolts |
| 03/24/2004 | EP0894169B1 Earth structures |
| 03/24/2004 | CN1143035C Road network device and converting element therefor |
| 03/23/2004 | US6709201 Grooved retaining wall block and system |
| 03/23/2004 | US6709064 Method and device for detaching or cutting out an embedded manhole frame |
| 03/18/2004 | WO2004022857A1 Structure of underwater tunnel, method of constructing underwater tunnel, and caisson connection device |
| 03/18/2004 | US20040052589 Pre-stressed modular retaining wall system and method |
| 03/18/2004 | DE10241329A1 Method for constructing earth retaining wall has hollow elements stacked to form a retaining walls and linked by reinforcing ties to anchorage elements inside the backfill |
| 03/17/2004 | EP1398422A1 A closure arrangement for a sewer channel with a cover |
| 03/17/2004 | EP1398419A1 Cover bearing cushion for manholes |
| 03/17/2004 | CN1482311A Structural construction process of seabed animal and plant park |
| 03/17/2004 | CN1482304A Method of laying, welding and construction of canal seepage proof film |
| 03/17/2004 | CN1142363C underground comprehesive pipe gallery and system for comprehensive developing and utilizing underground space |
| 03/17/2004 | CN1142357C Natural lighting and ventilation underground car pass way |
| 03/17/2004 | CN1142055C Large surface area high tensile strength earth mat, its manufacturing method,device and application |
| 03/16/2004 | US6705803 Tire foundation structure |
| 03/11/2004 | WO2004007850B1 A frame for a recess in the ground and manhole assembly |
| 03/11/2004 | WO2004000715A3 Portable manhole cover remover |
| 03/11/2004 | US20040047624 Automatic motion-controlled photographing apparatus and related photographing method |
| 03/11/2004 | DE20316753U1 Manhole lifting device, supported on solid iron ring and preferably provided with horizontal and vertical hydraulic cylinders |
| 03/10/2004 | EP1395712A1 Method for building retaining structure |
| 03/10/2004 | CN2606136Y Improved antitheft manhole cover |
| 03/10/2004 | CN1480595A Egg-shaped digestion tank and its construction method |
| 03/10/2004 | CN1141463C Composite iron-plastic cover for manhole and its production process |
| 03/10/2004 | CN1141455C Wall forming device for multi-boring bar mixing pile machine |
| 03/10/2004 | CN1141450C Openable urban road pipe network facilities |
| 03/09/2004 | US6701687 Modular wall block with mechanical course connector |
| 03/04/2004 | WO2004018787A1 Apparatus for flood protection of manholes and access covers |
| 03/04/2004 | WO2004018779A2 Reinforcing system for stackable retaining wall units |
| 03/04/2004 | US20040042886 Portable manhole cover remover |
| 03/04/2004 | US20040042849 Utilities access closure |
| 03/04/2004 | US20040040784 Pipeline construction safety platform |
| 03/04/2004 | US20040040221 Molded manhole unit |
| 03/04/2004 | DE20318950U1 Stone basket for landscaping has wire mesh walls with curved end sections of same height |
| 03/04/2004 | DE10237570A1 Absicherung für Deckelverschlüsse Protection for cover fasteners |
| 03/03/2004 | EP1272711B1 Method and device for the production of back-cut cavities |
| 03/03/2004 | CN2605355Y Electronic puzzle lock device for manhole |
| 03/03/2004 | CN2605306Y Antitheft manhole cover |
| 03/02/2004 | US6698973 Adjustable manhole cover assembly |
| 02/26/2004 | WO2004016889A1 Locking mechanism |
| 02/26/2004 | WO2004016862A1 Building element for erecting a retaining wall |
| 02/26/2004 | WO2003006748A3 Grooved retaining wall block and system |
| 02/26/2004 | US20040037655 Retaining wall block system |
| 02/26/2004 | US20040037654 Plantable geosynthetic reinforced retaining wall |
| 02/26/2004 | US20040036279 Expandable band and locking mechanism |
| 02/26/2004 | US20040036063 Wire netting for containment and reinforcement structures |
| 02/24/2004 | US6695544 Environment resistant retaining wall planter block and methods of use thereof |
| 02/24/2004 | US6695526 Adjustable manhole apparatus |
| 02/24/2004 | US6695002 Outside drop for manhole |
| 02/24/2004 | CA2214817C Multi-layer composite panel and method of making same |
| 02/19/2004 | WO2004015213A2 Grate for closing a drain and similar |
| 02/19/2004 | WO2004015212A2 Method and device for locking manhole and catch basin covers |
| 02/19/2004 | US20040031735 Manhole debris catcher |
| 02/19/2004 | DE29825009U1 Gully cover for frame within channel body of concrete, to take off surface water from roads and highways - has intermediate elastic layer between frame and cover to take up shock forces from traffic |
| 02/19/2004 | DE20315770U1 Building material for e.g. foundations comprises a self-hardening mixture rock granules, gravel, silt, clay materials and recycling material, an additive material functioning as a binder and a biodegradable additive material |
| 02/18/2004 | EP1389655A2 A manhole and its method of manufacture |
| 02/18/2004 | EP1389654A2 Securing device for a cover closing element |
| 02/18/2004 | EP1389249A1 Retaining wall structure for soil stabilization |
| 02/18/2004 | CN1138627C Resin web, its producing method, and drawn products of polyvinyl resin |
| 02/17/2004 | US6692183 Hydraulically adjustable manhole ring |
| 02/12/2004 | WO2004013421A1 Method for producing a plastic pit-floor element |
| 02/12/2004 | WO2004012991A1 Hybrid artificial ground built in ocean space and method for building the same |
| 02/12/2004 | WO2003093597A3 Precast concrete retaining wall and method |
| 02/12/2004 | US20040028484 Composite masonry block |
| 02/12/2004 | US20040028470 Self-leveling system |
| 02/12/2004 | US20040025450 Integrated footings |
| 02/12/2004 | US20040025315 Placementing method of reinforcing strips for constructing precast concrete facing panel and pulling-up device of reinforcing strips |
| 02/12/2004 | DE20317812U1 Odor trap for collection shafts and pumping wells of sewerage systems, comprises chamber with activated carbon outlet filter, through which waste gases pass |
| 02/12/2004 | DE20315599U1 Small animal and amphibian protective and movement tunnel is made of steel concrete |
| 02/12/2004 | DE20315597U1 Amphibian air conditioning tunnel is formed as a base-closed semi-tube of steel concrete constructed in one part |