| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 02/03/1987 | CA1217349A1 Engineering of reinforced concrete structures, such as tunnels, underpasses and the like, and precast concrete elements used in said engineering processes |
| 02/03/1987 | CA1217348A1 Retaining wall for earth and similar materials |
| 01/27/1987 | CA1217077A1 Device for raising level of manhole cover on road |
| 01/22/1987 | DE3525140A1 Neck arrangement for an access opening of a cable shaft |
| 01/21/1987 | EP0208723A1 Stabilization of excavations |
| 01/20/1987 | US4637752 Access covers for manholes |
| 01/20/1987 | EP0171432A4 Modules used for retaining walls and the like. |
| 01/15/1987 | DE3524720A1 Method of providing subsequent underground sealing, preferably for landfill sites, and apparatus for carrying out such a method |
| 01/08/1987 | DE3522864A1 Device for bridging expansion joints, in particular in concrete bridges |
| 01/08/1987 | DE3522676A1 Intermediate ring for a manhole cover |
| 01/07/1987 | EP0207803A2 Metal strip for use in stabilised earth structures |
| 12/30/1986 | US4632605 Method and apparatus for reinforcing and consolidating earth structures |
| 12/30/1986 | EP0206371A1 Cutter head for advancing prefabricated concrete pipes for the construction of galleries or tunnels |
| 12/18/1986 | WO1986007468A1 Device for accurately positioning two geometrical axes which belong correspondingly to two elements |
| 12/16/1986 | US4629367 Retaining wall |
| 12/09/1986 | US4627249 Latch for utility access door |
| 12/03/1986 | EP0203641A2 Equipment for carrying out work, under dry conditions, on an underwater structure |
| 11/26/1986 | EP0202552A1 Tridimensional unit made of mesh panels |
| 11/26/1986 | EP0202256A1 Method of construction for a covered structure. |
| 11/20/1986 | WO1986006771A1 Offshore structures |
| 11/11/1986 | US4621941 Manhole riser having integral flexible waterlock for manhole covers and having a water tight seal for sealed manhole covers |
| 11/05/1986 | EP0200008A1 Locked and sealed manhole cover |
| 10/29/1986 | EP0198934A1 Structural elements for dry wall construction, and wall made of such elements |
| 10/28/1986 | US4619560 Structural module for retaining walls and the like |
| 10/23/1986 | WO1986006133A1 Improvements relating to construction of submerged roadways and other structures |
| 10/22/1986 | EP0198808A1 A method of excavating a storage complex in rock for storing radioactive waste |
| 10/21/1986 | US4618464 Precast concrete manhole adjustable bolt slot for securing cast iron frame and cover and method for casting same |
| 10/21/1986 | US4618283 Archway construction utilizing alternating reinforcing mats and fill layers |
| 10/15/1986 | CN86102564A Flexible blanket |
| 10/14/1986 | US4616959 Seawall using earth reinforcing mats |
| 10/08/1986 | EP0197021A1 Method for driving a tunnel |
| 10/08/1986 | EP0197000A1 Element for realizing steep plant-accommodating slopes |
| 10/08/1986 | EP0196564A2 Protective device, in particular protective acoustic barrier and embankment retaining wall, in particular for roadways |
| 10/07/1986 | CA1212270A1 Manhole/access cover and frame assemblies |
| 10/01/1986 | EP0196207A2 Anti fouling material and method of making it |
| 09/30/1986 | US4614065 Adjustable plumbing cleanout |
| 09/30/1986 | CA1211973A1 Manhole chimney seal |
| 09/23/1986 | US4613255 Embankment stabilizing brick |
| 09/22/1986 | EP0125261A4 A method and apparatus for reinforcing and consolidating earth structures. |
| 09/09/1986 | US4610572 Method of building strengthened embankment body |
| 09/09/1986 | CA1210982A1 Access covers for manholes |
| 09/02/1986 | US4608787 Manhole seal construction |
| 08/27/1986 | EP0192311A2 A method of placing a platform on a support structure surrounded by water, in particular in high seas, and a vessel for carrying out said method |
| 08/27/1986 | EP0191908A1 Supporting wall |
| 08/26/1986 | US4607985 Block construction for preventing outflow of ballasts |
| 08/14/1986 | WO1986004624A1 Self-locking manhole cover |
| 07/30/1986 | EP0188487A1 Large cross-section sunken conduit. |
| 07/29/1986 | CA1208448A1 Bridge abutment |
| 07/29/1986 | CA1208447A1 Method and apparatus for laying drains in frost- susceptible ground, and drains laid in such ground |
| 07/23/1986 | EP0188282A2 Impervious sealing and production method for creating self-supporting and excavatable ground masses for the realization of subterranean constructions such as hollow structures or the like |
| 07/22/1986 | CA1208025A2 Manhole base |
| 07/17/1986 | WO1986004103A1 Stabilization of excavations |
| 07/16/1986 | EP0187615A1 Set of elements for composite constructions |
| 07/02/1986 | CA1206765A Wall structure and method of construction |
| 07/01/1986 | US4597692 Rehabilitated manhole cover |
| 06/25/1986 | EP0185268A2 Accessible bottom construction for a refuse dump |
| 06/19/1986 | WO1986003533A1 Method for compaction-trussing-injection or decompaction-draining and construction of linear works or planar works in grounds |
| 06/17/1986 | US4594825 Cantilevered support member and foundation unit |
| 06/04/1986 | EP0183233A2 Construction method of underground structures by means of driving under a covering drift cap |
| 06/03/1986 | US4592678 Modular block retaining wall |
| 06/03/1986 | US4592674 Concrete manhole |
| 05/27/1986 | US4591297 Method of building strengthened, embanked foundation |
| 05/27/1986 | US4591290 Combination adjustable valve box adapter and replacement for broken valve boxes |
| 05/22/1986 | WO1986002967A1 System of modular construction for a covered structure |
| 05/14/1986 | EP0181230A2 Improvements in or relating to building blocks |
| 05/13/1986 | CA1204317A1 Adjustable manhole frame and method of construction and installation |
| 05/13/1986 | CA1204296A2 Retaining wall system |
| 05/09/1986 | WO1986002679A1 Method for breaking down ooze in a harbour basin |
| 05/06/1986 | US4586941 Sewer odor adsorber |
| 04/29/1986 | US4585141 Locking system for flood cover |
| 04/22/1986 | US4583882 Method for forming artificial islands |
| 04/16/1986 | EP0177604A1 Telescopic column pipe to be located in the ground |
| 04/15/1986 | US4582453 Method and apparatus for in situ forming underground panelized concrete walls with improved joint structure |
| 04/15/1986 | US4582450 Universal manhole adjusting ring |
| 04/15/1986 | US4582449 Manhole sealing device |
| 04/15/1986 | CA1203102A1 Safety for manhole cover |
| 04/09/1986 | EP0177289A2 Grouting composition |
| 04/02/1986 | EP0176451A1 Locking device for a manhole cover |
| 04/01/1986 | US4578916 Connecting and pressure-distributing element for concrete structural members |
| 04/01/1986 | CA1202511A1 Manhole/access cover and frame assemblies |
| 03/18/1986 | CA1201896A1 Method and apparatus for reinforcing and consolidating earth structures |
| 03/13/1986 | WO1986001556A1 Submarine element driving means |
| 03/13/1986 | WO1986001555A1 Basement to be located on the sea bed and method for establishing such a basement |
| 03/12/1986 | EP0174253A2 Slab facing for the slopes of earth fills, for instance earth fills reinforced by means of geotextile layers |
| 03/04/1986 | CA1201370A1 Apparatus and process for improved manufacture of shells for tunnel tubes |
| 02/26/1986 | EP0172230A1 Cellular module for retaining walls and the like |
| 02/25/1986 | US4572711 Prestressed component retaining wall system |
| 02/25/1986 | US4572705 Revetment of cellular textile material |
| 02/19/1986 | EP0171432A1 Modules used for retaining walls and the like. |
| 02/19/1986 | EP0171417A1 Structural module for retaining walls and the like. |
| 02/05/1986 | EP0170113A1 Building block |
| 02/04/1986 | US4567697 Utility vault cover seal |
| 01/30/1986 | WO1986000683A1 Large cross-section sunken conduit |
| 01/28/1986 | US4566483 Drop manhole precast encasement |
| 01/28/1986 | CA1199825A1 Valve box cover |
| 01/21/1986 | US4564967 Bridge abutment |
| 01/16/1986 | WO1986000354A1 Retainer works with structure of thin, double curvature elements |
| 01/15/1986 | EP0167720A2 Building element for supporting grid walls with a bulk material filling |
| 01/14/1986 | US4564316 Face panel system |
| 01/02/1986 | EP0166656A2 Prefabricated retaining elements for protecting, reinforcing and/or lining excavations, anchoring and connecting devices, and method for using these elements and devices |