| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 04/14/1999 | CN1213727A 草坪停车场 Lawn Parking |
| 04/08/1999 | WO1999016979A1 Soil reinforcement |
| 04/08/1999 | WO1999016978A1 Spill containment and fuel line protection device |
| 04/08/1999 | CA2305210A1 Soil reinforcement |
| 04/07/1999 | EP0906992A1 Manhole cover |
| 04/07/1999 | EP0906478A1 Sewer system manhole with a covering part |
| 04/07/1999 | EP0906477A1 Top piece for a manhole structure |
| 04/07/1999 | CN2312973Y Anti-theft manhole cover and ring thereof |
| 04/07/1999 | CN2312972Y Sunk-well seal |
| 04/07/1999 | CN2312971Y Anti-theft manhole-cover, water gate |
| 04/07/1999 | CN2312970Y Detachable sinking-floating multi-purpose box-type form board |
| 04/06/1999 | US5890843 Strip for use in stabilized earth structures and method of making same |
| 03/31/1999 | EP0904465A1 Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 03/31/1999 | CN2312250Y Cover for manhole |
| 03/31/1999 | CN2312249Y Glass fiber reinforced plastic cover and its base for manhole |
| 03/30/1999 | US5887399 Decorative wall and method of fabrication |
| 03/25/1999 | WO1999014445A1 Device for forming a liquid-permeable flooring, manhole cover or the like |
| 03/25/1999 | DE19740405A1 Ventilated drain hatch |
| 03/25/1999 | DE19738164A1 Caisson-inserting tool |
| 03/25/1999 | CA2246891A1 Multi-directional pre-stressed plastic or metal sheet structure and method for manufacturing same |
| 03/18/1999 | WO1999013170A1 Locking device for well covers |
| 03/18/1999 | WO1999013169A1 Stepping tool for manhole or the like |
| 03/18/1999 | DE19741684A1 Underwater parking deck for motor cars and lorries |
| 03/17/1999 | EP0902130A2 Device for changing or lifting a frame for a manhole from an asphalt surface or the like |
| 03/10/1999 | EP0900885A1 Supporting frame for a manhole cover, riser conduit and its method of production |
| 03/10/1999 | EP0900304A1 Modular block retaining wall construction |
| 03/10/1999 | CN2310092Y Reinforced concrete lattice type soil-stop wall |
| 03/03/1999 | EP0898625A1 A submerged tunnel with buoyant suspension |
| 03/02/1999 | US5877096 Non-woven needle-punched filter fabric |
| 03/02/1999 | US5876533 Method of sealing a manhole riser and a catch basin and apparatus for same |
| 02/25/1999 | WO1999009267A2 Precast concrete elements construction system |
| 02/24/1999 | EP0897435A1 Method for forming a steep embankment, system for use in the formation of the steep embankment and such steep embankment |
| 02/24/1999 | CN2308639Y Manhole cover anti-theft lock |
| 02/18/1999 | DE19735580A1 Foot grips for shaft access |
| 02/17/1999 | CN2307825Y Manhole cover made from magnesite cement |
| 02/16/1999 | US5870871 Sump liner and method of installation |
| 02/16/1999 | CA2222954C Self-levelling frame |
| 02/11/1999 | WO1999006640A1 A frame for a manhole cover |
| 02/11/1999 | CA2298535A1 A frame for a manhole cover |
| 02/10/1999 | EP0705370B1 Earth structures |
| 02/10/1999 | CN2307037Y Well cover for pump |
| 02/10/1999 | CN2307035Y Steel fibre concrete inspection cover and base |
| 02/10/1999 | CN2307034Y Combined manhole cover device |
| 02/10/1999 | CN2307033Y Cold-proof glass fiber reinforced plastic cover for sewer manhole |
| 02/10/1999 | CN1207788A Underground structural work, particularly for building tunnels, underpasses, carparks and the like, process for production and prefabricated element for such structure |
| 02/10/1999 | CN1207436A Manhole closing device |
| 02/04/1999 | DE19808477A1 Wire box for holding loose ballast e.g. plants as external decorative units |
| 02/03/1999 | EP0894900A1 Structure of pile foundation |
| 02/03/1999 | EP0894169A1 Earth structures |
| 02/02/1999 | US5865009 Rubber expansion joint |
| 02/02/1999 | US5865006 Retaining wall block and wall construction |
| 02/02/1999 | US5865005 Prefabricated concrete retaining wall |
| 02/02/1999 | US5864999 Modular wall system |
| 02/02/1999 | CA2113659C Building block |
| 01/28/1999 | WO1999004102A1 Systems and methods for connecting retaining wall panels to buried mesh |
| 01/28/1999 | WO1999003659A1 Concrete block, joint for the same, and structure of concrete blocks |
| 01/28/1999 | CA2296286A1 Systems and methods for connecting retaining wall panels to buried mesh |
| 01/28/1999 | CA2213048A1 Box and insulating system for ground drainage |
| 01/27/1999 | EP0892872A1 Sealing section for tunnel segments and tunnel comprising such sealing sections |
| 01/21/1999 | DE19739838C1 Machine for preventing air leaks from subsea tunnel workings |
| 01/20/1999 | EP0891455A1 Lining for a landfill site |
| 01/20/1999 | CN2304694Y Anti-stealing manhole cover |
| 01/20/1999 | CN2304693Y Curved supporting plates for grooves |
| 01/20/1999 | CN2304688Y Barrel type mono-column foundation structure with loading tank for supporting platform |
| 01/19/1999 | US5860771 Retaining wall/tie-back/anchor assembly |
| 01/19/1999 | US5860551 Gabion container |
| 01/19/1999 | CA2133675C Method of forming concrete retaining wall block |
| 01/13/1999 | EP0890001A1 Device for mounting an access cover |
| 01/13/1999 | EP0603417B1 Concrete form for underground wall |
| 01/13/1999 | CN1204714A Method for forming retaining wall |
| 01/12/1999 | CA2156750C Method of constructing a barrier using vehicular tires |
| 01/07/1999 | WO1999000553A1 A well cover lifting tool |
| 01/07/1999 | EP0889173A1 Reinforcement frame for structures and method of constructing building structures utilizing the same reinforcement frame |
| 01/07/1999 | EP0888482A1 Covering for a sewer manhole |
| 01/06/1999 | CN2303032Y Man hole cover of sewer |
| 01/05/1999 | US5855452 Method for excavating rock cavities |
| 12/30/1998 | EP0887479A1 Prefabricated manhole for connection and inspection of sewer pipes and process for installing such a manhole |
| 12/30/1998 | EP0887014A2 Assembly for forming an horticultural wall |
| 12/30/1998 | EP0823951B1 Building element with a cast mineral body |
| 12/30/1998 | CN2302292Y Composite material antitheft cover for manhole |
| 12/30/1998 | CN1203647A Earth structures |
| 12/29/1998 | US5852901 Stackable riser for on-site waste and drainage systems |
| 12/23/1998 | WO1998058133A1 Retaining wall system |
| 12/23/1998 | EP0886012A1 Device for covering a manhole, gutter or similar |
| 12/22/1998 | US5851089 Composite reinforced structure including an integrated multi-layer geogrid and method of constructing the same |
| 12/22/1998 | US5851088 Modular retaining wall block system including wall blocks having replaceable dual purpose facing panels and removable spacing tabs |
| 12/17/1998 | DE19824431A1 Shaft or road gutter of concrete or steel reinforced concrete prefabricated parts |
| 12/17/1998 | CA2234360A1 Retaining wall system |
| 12/15/1998 | CA1340179C Soil-metal arch bridge on reinforced earth abutments |
| 12/08/1998 | US5845442 For a hole having an interior surface |
| 12/03/1998 | WO1998054805A1 Flat pack box |
| 12/03/1998 | DE19721240A1 Special manhole cover to accommodate paving stones etc. |
| 12/02/1998 | CN2299092Y Anti-theft manhole cover |
| 12/01/1998 | US5842811 Confined space manhole sign system |
| 11/26/1998 | WO1998053151A1 Manhole cover retrofit assembly |
| 11/25/1998 | EP0688381B1 Improvements in or relating to filling in a hollow in the ground |
| 11/25/1998 | CN2298287Y Anti-theft cover for sewage well |
| 11/25/1998 | CN2298286Y Anti-theft device for manhole cover |
| 11/24/1998 | US5839855 Facing element for a stabilized earth structure |
| 11/19/1998 | WO1998051870A1 Manhole cover |