| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 02/11/2004 | EP1387758A1 Anti-slip surface |
| 02/11/2004 | CN2603118Y High-strength composite material manhole cover |
| 02/11/2004 | CN1138043C Reinforced anti-theft sealing device for manhole |
| 02/10/2004 | US6688807 Sealing device for a manhole |
| 02/10/2004 | US6688806 Jump-proof manhole-handhole |
| 02/10/2004 | US6688072 Cover for riser section and method of using cover for anchoring riser section in concrete |
| 02/10/2004 | US6688046 Assembly of a safety rail for an access hatch |
| 02/05/2004 | WO2004011728A1 Concrete module for retaining wall and improved retaining wall |
| 02/05/2004 | US20040022587 Wall components and method |
| 02/05/2004 | US20040022579 Device for covering shafts |
| 02/05/2004 | US20040021317 Expandable band and locking mechanism |
| 02/05/2004 | DE19959250B4 Schachtbauwerk Shaft construction |
| 02/05/2004 | DE10234219A1 Method for stabilising ground prior to building has stabilising wedge shaped panels progressively driven into the ground with earth retaining sections positioned onto vertical supports to secure the exposed soil |
| 02/05/2004 | DE10041247B4 Verfahren zum Freifräsen eines Schachtdeckels und/oder einer Schachtdeckelauflage sowie Vorrichtung zur Durchführung des Verfahrens A process for cutting free a manhole cover and / or a manhole casting as well as apparatus for carrying out the method |
| 02/04/2004 | CN2602125Y Anti-theft and water-proof manhole lock |
| 02/04/2004 | CN2602058Y A kind of steel frame reinforced macromolecule recombination materials inspection well support |
| 02/03/2004 | US6685400 Mechanically stabilized earth wall systems and methods |
| 01/29/2004 | WO2004009925A1 Block system |
| 01/29/2004 | WO2004009921A2 Portable shielding system |
| 01/29/2004 | WO2004009913A1 Bank sheet-piling profiled section with channel-like recess and shell part, and method for positioning a bank sheet-piling profiled section |
| 01/29/2004 | US20040018061 Concrete module for retaining wall and improved retaining wall |
| 01/29/2004 | DE10231591A1 Einrichtung zur Vermeidung von Fremdwasser in Kanalnetzen, Pumpwerken und Kläranlagen Device for the prevention of extraneous water in sewer systems, pumping stations and sewage treatment plants |
| 01/29/2004 | DE10231003A1 Schachtabdeckung Manhole cover |
| 01/28/2004 | EP1383971A1 Fluent material confinement system |
| 01/28/2004 | CN1470716A Mantion lining construction method |
| 01/28/2004 | CN1470715A Gravity lattice embankment wall-retaining structure construction method |
| 01/28/2004 | CN1470714A Steel pipe pile wall-retaining construction method |
| 01/28/2004 | CN1470713A Steel pipe pile wall-retaining structure |
| 01/27/2004 | US6682269 Block with multifaceted bottom surface |
| 01/27/2004 | US6682259 Structure having an insulated support assembly |
| 01/27/2004 | US6682258 Nondestructive system for adjusting manhole and catch-basin elevations |
| 01/27/2004 | US6682257 Cover apparatus for an access opening |
| 01/22/2004 | WO2004007850A1 A frame for a recess in the ground and manhole assembly |
| 01/22/2004 | WO2004007849A1 Manhole structure, flexible water shut off joint for manhole structure and method for installing manhole structure |
| 01/22/2004 | WO2002063106A8 A method for installing submerged oil and gas wells, and apparatus for the same |
| 01/22/2004 | US20040013466 Angle adjustable utility access and method |
| 01/22/2004 | CA2489762A1 A frame for a recess in the ground and manhole assembly |
| 01/22/2004 | CA2459853A1 Manhole structure, flexible water shut off joint for manhole structure and method for installing manhole structure |
| 01/21/2004 | CN2600490Y Manhole |
| 01/20/2004 | US6679656 Connection for geogrid to concrete block earth retaining walls |
| 01/20/2004 | CA2306130C Reinforced retaining wall |
| 01/20/2004 | CA2202851C Undercut excavation with protection against seismic events or excessive ground movement |
| 01/14/2004 | CN2599104Y Well wall body module block and its built woll ball body |
| 01/14/2004 | CN2599076Y Blend type well assembly |
| 01/14/2004 | CN2599071Y 倾斜面保护块 Inclined surface protection block |
| 01/14/2004 | CN1467345A Afforestation reinforced soil construction |
| 01/13/2004 | US6676332 Highway device and covering element for such a device |
| 01/13/2004 | US6675547 Method for forming a head wall from an anchor pile and reinforcing member for said anchor pile structure |
| 01/08/2004 | WO2004003303A1 Geogrid or mesh structure |
| 01/08/2004 | DE20315459U1 Device for lifting manhole covers comprises wheel, engaging element with hook-like engaging region arranged distance from the axle of the wheel in the radial direction and device moving the engaging region forward to lift the cover |
| 01/08/2004 | DE10226431A1 Aufsatz zur Sammlung und Ableitung von Wasser und Informationssystem Essay for the collection and disposal of water and Information System |
| 01/07/2004 | CN2597555Y Decorative manhole for footway |
| 01/07/2004 | CN2597554Y Anti-theft manhole cover and cover opener |
| 01/07/2004 | CN2597553Y Prefabricated concrete rectangular door arch type manhole |
| 01/07/2004 | CN2597552Y Prefabricated concrete round door arch type manhole |
| 01/07/2004 | CN1465823A Reinforced soil structured body |
| 01/02/2004 | EP1375755A1 Method of removing the frame of a covered manhole and device therefor |
| 01/02/2004 | EP1194714B1 Method for in situ renovation of a manhole, particularly a sewer manhole, and prefabricated liner therefore |
| 12/31/2003 | WO2004000715A2 Portable manhole cover remover |
| 12/31/2003 | CN2595886Y Anti-theft manhole cover |
| 12/31/2003 | CN2595885Y Anti-theft water-proof manhole cover |
| 12/25/2003 | US20030235487 Portable manhole cover remover |
| 12/25/2003 | US20030235469 Manhole cover/frame exchange method |
| 12/25/2003 | US20030235467 Adjustable manhole installation and method of adjustment |
| 12/24/2003 | WO2003106769A1 Recyclable composite material and method of using composite |
| 12/24/2003 | DE20313142U1 Device for controlling air circulation in a sewer manhole comprises a tank having a throttle-free outlet opening having an adjustable throttle element with a protective leaf and sand collector |
| 12/24/2003 | CN2594322Y Manhole cover |
| 12/24/2003 | CN2594321Y Vibration absorbing noiseless cushion for manhole cover on road |
| 12/24/2003 | CN2594320Y Height adjustable perimeter crushproof safety well tools |
| 12/23/2003 | CA2265401C Foothold provided with reflectors |
| 12/18/2003 | DE29824985U1 Mechanical components with several wear sensors - where the sensors are arranged so that resolution of wear locality is possible |
| 12/18/2003 | DE20311815U1 Method for mounting inspection cover flush with road surface has the cover fitted into a separate cylindrical duct which has a tilt and depth fitting into a lower fixed duct with an inner lip |
| 12/18/2003 | DE20311405U1 Gitterkorb Mesh basket |
| 12/17/2003 | EP1371785A1 Prefabricated element for manhole and manhole |
| 12/17/2003 | CN2592721Y Antitheft manhole cover |
| 12/17/2003 | CN2592720Y Composite manhole cover |
| 12/17/2003 | CN2592719Y Rotation shaft type easy-open, risk-indication and antitheft well cover |
| 12/17/2003 | CN2592718Y Antishock manhole cover |
| 12/17/2003 | CN1131357C Wall plate and soil strengthening structure |
| 12/16/2003 | US6663323 Retaining wall block and drainage system |
| 12/11/2003 | WO2003102312A2 Retaining wall block |
| 12/11/2003 | DE20313495U1 Inspection shaft has cover with side spring-clip engaging in detent within surrounding frame and released by screwdriver |
| 12/10/2003 | CN2591100Y Manhole cover assembly |
| 12/10/2003 | CN2591099Y Municipal administration comprehensive wiring box |
| 12/10/2003 | CN2591098Y Integrated manhole shaft |
| 12/10/2003 | CN1130490C Concrete product for promation of afforestation |
| 12/04/2003 | WO2003100179A1 Device for closing an opening, particularly a man hole |
| 12/04/2003 | US20030223825 Two stage wall connector |
| 12/04/2003 | US20030223824 Wall system |
| 12/04/2003 | US20030222495 Method and device for detaching or cutting out an embedded manhole frame |
| 12/03/2003 | CN2589518Y Theft-proof well cover |
| 12/03/2003 | CN2589517Y Theft-proof well cover |
| 12/03/2003 | CN1129692C Pedal support with reflecting body |
| 12/02/2003 | US6656405 Method for fabricating reinforced drain covers |
| 12/02/2003 | US6655641 System for supporting substantially rigid linear structures |
| 12/02/2003 | US6655107 Method for reinforcing hollow concrete block walls |
| 12/02/2003 | US6655093 Riser section and cover therefor |
| 12/02/2003 | CA2306688C Anchored retaining wall system |
| 11/27/2003 | US20030219315 Combined foundation and backfill system |
| 11/26/2003 | CN2587940Y Reinforced manhole cover |