| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 03/27/2002 | EP1078131B1 Access covers for manholes |
| 03/27/2002 | EP0906477B1 Top piece for a manhole structure |
| 03/27/2002 | CN2483429Y Theft-proof well-cover and its base and the opener therefor |
| 03/27/2002 | CN1342234A Sheet-like masonry block drainage system |
| 03/21/2002 | US20020034418 Temporary ramp |
| 03/21/2002 | DE10043208A1 Supply terminal device for connecting building to mains supply networks has sunken shaft containing supply network line for each mains supply network |
| 03/20/2002 | CN1081267C Foothold |
| 03/19/2002 | US6357970 Compressible welded wire wall for retaining earthen formations |
| 03/19/2002 | US6357962 Cover for in-ground meter enclosures used in traffic loading conditions, and method for making |
| 03/19/2002 | US6357188 Connector for connecting cable-protecting pipe |
| 03/15/2002 | CA2357359A1 Method and apparatus for handling concrete retaining wall blocks |
| 03/14/2002 | US20020031406 Earth structures |
| 03/14/2002 | US20020030303 Method and apparatus for handling concrete retaining wall blocks |
| 03/14/2002 | CA2357328A1 Retaining wall blocks and retaining walls constructed from such blocks |
| 03/13/2002 | EP1186719A2 Gabion |
| 03/13/2002 | EP1071853A4 Retaining wall block system |
| 03/13/2002 | CN2481809Y Antipick built-in lock for cover of manhole |
| 03/13/2002 | CN2481764Y Theftproof manhole cover |
| 03/13/2002 | CN2481763Y Strong theftproof sealed manhole cover device |
| 03/13/2002 | CN2481762Y Steel and fibre composite material concrete conver for manhole |
| 03/13/2002 | CN2481761Y Theftproof manhole cover |
| 03/13/2002 | CN1339413A Building material and its producing method |
| 03/07/2002 | WO2002018713A1 Adjustable utility access device |
| 03/07/2002 | WO2002018710A1 Adjustable manhole cover assembly |
| 03/07/2002 | US20020028114 Interlocking masonry wall block |
| 03/07/2002 | US20020026763 Wall element, especially a palisade |
| 03/07/2002 | US20020026759 Stockade |
| 03/07/2002 | DE10046045C1 Shaft cover or grid attachment has rotary pivot pin fitting into opening provided by frame with cover preventing removal or fitting except in fully vertical position |
| 03/07/2002 | CA2421048A1 Adjustable utility access device |
| 03/06/2002 | EP1183434A1 Device for locking a cover element on a support frame |
| 03/06/2002 | CN2480416Y Vibration theft-proof man-hole cover |
| 03/06/2002 | CN2480415Y Sand bag and cement prefabricated board for building sand wall |
| 03/06/2002 | CN1338544A Antitheft composite cover plate of manhole and its producing technology |
| 03/06/2002 | CN1080360C Device for locking cover pivotally mounted onto frame |
| 03/06/2002 | CN1080355C Segmental prefabricating negative pressure sealing submarine tunnel prefabricated components and construction method thereof |
| 03/05/2002 | US6352230 Support bracket for sheet piling-supported modular wall system |
| 02/28/2002 | US20020025223 Adjustable manhole cover assembly |
| 02/28/2002 | US20020023403 Interlocking masonry wall block |
| 02/28/2002 | CA2356173A1 Interlocking masonry wall block |
| 02/27/2002 | EP1182299A2 Method and device for drilling a manhole cover |
| 02/27/2002 | CN1337501A Steel-made manhole |
| 02/26/2002 | US6350084 Sheet piling-supported modular wall system |
| 02/26/2002 | US6350081 Manhole restraining system for venting out explosive gases in a manhole |
| 02/26/2002 | CA2205973C Trap for catch basins and method of making same |
| 02/21/2002 | US20020020131 Method of assembly of reinforced concrete vessel by prefabricated panel type member at construction site |
| 02/20/2002 | EP1180561A1 Block for connecting with reinforcement and retaining wall |
| 02/20/2002 | CN2477709Y Anti-theft cover for underground cable inlet/outlet well |
| 02/20/2002 | CN2477705Y Supporting frame for water equipment |
| 02/20/2002 | CN1079468C Ribbed retaining wall and columned retaining wall |
| 02/19/2002 | US6347910 Submarine power storage system |
| 02/14/2002 | US20020017068 Foundation element, methods for the construction of prefabricated structures including these elements, particularly prefabricated tunnels, and prefabricated structures made by these methods |
| 02/14/2002 | DE10037716A1 Concrete brick, for decorative garden walls, has structured tongues at the horizontal surfaces to lock them together in an offset pattern to give an easily-laid and stable wall |
| 02/13/2002 | EP0818577B1 New armatures and reinforcement system for stabilizing masses of earth |
| 02/12/2002 | US6345934 Earth structure and method for constructing with supports having rearwardly located portions |
| 02/12/2002 | CA2229841C Floor hatch with integrated security fence |
| 02/12/2002 | CA2000687C Store |
| 02/10/2002 | CA2355010A1 Interlocking masonry wall block |
| 02/07/2002 | WO2002010521A1 Closing device for a manhole |
| 02/07/2002 | WO2002010520A1 Protruding structure block |
| 02/06/2002 | CN2475762Y Anti-theft cover for manhole |
| 02/06/2002 | CN1334381A Techonlogy for manufacturing metallic manhole ring and cover with colour pattern |
| 02/06/2002 | CN1334380A Prestressed underground continuous wall |
| 02/05/2002 | US6344137 Superimposed drain cover |
| 02/05/2002 | US6343895 Resin net and its production method |
| 01/31/2002 | US20020012570 Manhole protective pad |
| 01/30/2002 | EP1175533A1 Road network device and covering element therefor |
| 01/30/2002 | EP1175532A1 Geotextile fabric |
| 01/30/2002 | CN2474594Y Polymer base composite material inspection well cover mould |
| 01/30/2002 | CN2474593Y Polymer base composite material inspection well ring machine press mould |
| 01/30/2002 | CN1333411A Natural lighting and ventilation underground car pass way |
| 01/29/2002 | US6341922 Cellular construction, in particular supporting or sound insulating construction capable of being greened, and process for producing the same |
| 01/24/2002 | WO2001042574A3 Multimedia shaft building |
| 01/24/2002 | DE10063049A1 Laying buried pipes, e.g. for telecommunication cables, has a main ram and cutter fitted into a start shaft to cut a passage through to the end shaft, with intermediate rams between the pipe sections |
| 01/23/2002 | EP1066425B1 Grid structure |
| 01/23/2002 | CN1332296A Construction process of retaining wall with inner anchoring wall |
| 01/23/2002 | CN1078284C Infiltration-preventing method for use in basement |
| 01/22/2002 | US6340181 Bellmouth with joint block body with the bellmouth and hand hole with the bellmouth |
| 01/16/2002 | EP1171669A1 Device for compensating relative vertical displacements between ground surfaces and sealing mechanisms with a frame, for built-in structures, and auxiliary device for the same |
| 01/16/2002 | EP1171668A1 Retaining wall system with interlocked wall-building units |
| 01/16/2002 | CN2471824Y Stairs retaining walls |
| 01/16/2002 | CN1331394A Method for structure duct in ground |
| 01/15/2002 | US6338597 Modular retaining wall system |
| 01/15/2002 | CA2094695C Earth retaining wall |
| 01/10/2002 | WO2002002882A1 Manhole joint device |
| 01/10/2002 | WO2002002878A1 Road network device with articulated cover |
| 01/10/2002 | WO2002002877A1 Manhole cover frame with self locking function of the cover and cover therefor |
| 01/10/2002 | WO2002002876A1 Pivotable interlock block connector |
| 01/09/2002 | CN2470407Y Plastic manhole for post and telecommunications |
| 01/09/2002 | CN2470406Y Anti-theft manhole cover |
| 01/09/2002 | CN2470405Y Anchored ribbed retaining wall |
| 01/08/2002 | US6336773 Stabilizing element for mechanically stabilized earthen structure |
| 01/03/2002 | WO2002001007A2 Block retaining wall structure and setback locator therefor |
| 01/03/2002 | US20020001509 Block retaining wall structure and setback locator therefor |
| 01/03/2002 | DE10029528A1 Device for climbing into round or polygonal shafts; has handle and skirt part that is sealed against shaft wall and may be provided with projections |
| 01/02/2002 | EP1167633A1 System for the execution of monolithic constructions deployed by penetration |
| 12/27/2001 | WO2001098591A1 Method for producing a damped manhole |
| 12/26/2001 | CN2467704Y Raking-unlocking lock and its key for manhole cover |
| 12/26/2001 | CN2467582Y Manhole cover with gravity unlocking antitheft apparatus |
| 12/26/2001 | CN2467581Y Polymer-base composite material cover for inspection manhole |
| 12/26/2001 | CN2467580Y Coloured steel fibers concrete manhole |