| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 02/15/1990 | DE3908005A1 Method of founding a structure by lowering |
| 02/13/1990 | US4900197 Process for holding up the lateral walls of deep ditches |
| 02/13/1990 | US4900191 Method for removal of broken ground |
| 02/13/1990 | CA1265693A1 Locking device for a manhole cover |
| 02/07/1990 | EP0353440A2 Water evacuating device |
| 02/06/1990 | US4897955 Wooden landscaping structures |
| 02/01/1990 | DE3825825A1 Intermediate ring for raising DIN manhole covers |
| 02/01/1990 | DE3825311A1 Frame and manhole ring |
| 01/30/1990 | US4896999 Set of concrete building blocks for constructing a dry wall |
| 01/17/1990 | EP0351229A2 Improvements relating to soil reinforcement |
| 01/11/1990 | DE3823121A1 Shaft, in particular absorbing well for refuse landfills |
| 01/10/1990 | EP0349752A1 Covering of a manhole by means of a lid or a grating |
| 01/10/1990 | EP0225324B1 Submarine element driving means |
| 01/03/1990 | EP0348489A1 Earth stabilisation. |
| 01/03/1990 | CN1038484A Method for building side dike of self-flow ash embankment with powder coal ash |
| 12/26/1989 | US4889448 Tunnel construction |
| 12/21/1989 | DE3917756A1 Set of structural elements for a ballast basket |
| 12/12/1989 | CA1263815A1 Mattress-type gabion for producing protective covering structures to be used on soil surfaces subject to erosion |
| 12/07/1989 | DE3819165A1 Cast annular lid with concrete |
| 12/06/1989 | EP0345222A2 Grating and support frame therefor |
| 12/06/1989 | EP0345077A2 Facing system |
| 12/05/1989 | US4884921 Retaining wall module having face panel and T-stem with means for receiving transverse stabilizing web |
| 12/05/1989 | US4884381 Structural joint system |
| 12/05/1989 | US4884378 Structural assembly for producing walls |
| 11/30/1989 | WO1989011567A1 Methods of construction and implements therefor |
| 11/30/1989 | DE3912710A1 Supporting structure for soil stabilisation |
| 11/29/1989 | EP0343913A2 Methods of construction |
| 11/29/1989 | CN2048485U Anti-theft device for well lid |
| 11/28/1989 | US4883394 Cover with integral fastening means |
| 11/28/1989 | US4883386 Method and device for underwater modular crossing construction |
| 11/28/1989 | US4882882 Form for a mortar cap |
| 11/28/1989 | CA1263248A1 Metal strip for use in stabilised earth structures |
| 11/23/1989 | EP0343112A1 Brick |
| 11/15/1989 | EP0341332A1 Cover for a manhole |
| 11/14/1989 | US4880334 Tunnel construction apparatus and method |
| 11/08/1989 | EP0341179A1 Casting provided with a destructible part |
| 11/08/1989 | CN1037004A Process for limiting environmentally harmful polluting seepage from soil masses |
| 10/26/1989 | DE3912294A1 Ground (floor) gully |
| 10/26/1989 | DE3824228C1 Shaft, in particular for landfill sites |
| 10/25/1989 | EP0235218B1 Process for constructing a sloping wall or embankment in particular a sound-proofing embankment |
| 10/25/1989 | CN2046513U Lock device for inspection well |
| 10/19/1989 | WO1989009870A1 A floating tube bridge |
| 10/19/1989 | DE3810970A1 Method of constructing a sheeting or retaining wall for land cuttings |
| 10/18/1989 | EP0337680A2 Tunnel construction |
| 10/18/1989 | EP0337110A1 Floor water-drain |
| 10/17/1989 | US4874272 Cantilever retaining wall system using discrete precast facing panels |
| 10/17/1989 | US4873795 Covering for a ground opening |
| 10/12/1989 | DE3810934A1 Process for using returned residual concrete from ready-mixed concrete |
| 10/10/1989 | US4872781 Open top floatable barge repair box with barge to box sealing system |
| 10/10/1989 | US4872780 Manhole cover support with box flanging |
| 10/03/1989 | CA1262053A2 Assembly of structural modules for retaining walls and the like |
| 09/26/1989 | US4869620 Method and apparatus for constructing seawalls and docks |
| 09/26/1989 | US4869294 Buried large cross-section conduit |
| 09/26/1989 | CA1261639A1 Element for the construction of steep slopes that can be sodded |
| 09/20/1989 | CN1035697A Inbuilt technique of pneumatic pressure sensor of soil |
| 09/19/1989 | US4867601 Sturdy adjustable manhole cover support |
| 09/19/1989 | US4867600 Polygonal manhole cover support |
| 09/19/1989 | US4867411 Manhole invert casting system |
| 09/08/1989 | WO1989008168A1 Access covers for manholes |
| 09/05/1989 | US4863059 Utility box construction and ring therefor |
| 09/05/1989 | CA1258980A2 Wall structure for retaining walls and the like |
| 08/31/1989 | DE3805222A1 Method of constructing a trench wall |
| 08/29/1989 | US4861186 Covering for an opening with a cover or grating placed in a frame |
| 08/29/1989 | US4860505 Construction block |
| 08/24/1989 | DE3804040A1 Joint-strip intersection |
| 08/17/1989 | DE3815365A1 Installation part for shafts and drainage parts and apparatus for handling the same |
| 08/17/1989 | DE3804156A1 Cover, in particular for manholes arranged in streets, roadways or the like |
| 08/16/1989 | CN1034774A Method of isolating rayleigh waves transmitting in earth |
| 08/15/1989 | US4856939 Method and apparatus for constructing geogrid earthen retaining walls |
| 08/10/1989 | WO1989007172A1 Method and apparatus for articulated pavement system |
| 08/09/1989 | CN2042489U Closed rain-water draining outlet |
| 08/08/1989 | US4854774 Process for implantation of aquatic artificial substrates, structures for the implantation, and device for operating the process |
| 08/08/1989 | CA1258185A1 Method of constructing a rigid structure upon the bottom of a water as well as lost casing for performing said method |
| 07/26/1989 | CN1034238A Earth structures |
| 07/25/1989 | US4850739 Method and apparatus for constructing an articulated pavement system |
| 07/18/1989 | US4848972 Process and apparatus for widening roadways |
| 07/13/1989 | WO1989006297A1 Earth stabilisation |
| 07/13/1989 | WO1989006296A1 Earth stabilisation |
| 07/06/1989 | DE3800737A1 Cutting guide |
| 07/05/1989 | EP0322668A1 Building blocks for wall constructions, and wall built with the building blocks |
| 07/05/1989 | EP0322667A1 Method for building a wall, construction element and connection slab for applying the method, and wall built by the method |
| 07/04/1989 | US4844403 Reusable form for storm sewer collection box inlets |
| 07/04/1989 | US4844402 Form for a mortar cap |
| 06/27/1989 | US4842784 Method of manufacturing a climbing step with embedded reflection plate |
| 06/27/1989 | US4842445 Covering structure intended especially to be placed on a conduit or the like laid on the ocean floor |
| 06/21/1989 | EP0320639A1 Retaining building block |
| 06/20/1989 | US4840514 Manhole assembly with T-shaped hinge |
| 06/15/1989 | WO1989005381A1 Stop-cock cover and extension ring therefor |
| 06/15/1989 | DE3740772A1 Braced frame mounting |
| 06/14/1989 | EP0319811A1 Sealing device for interlockingly maintaining a cover on a grating in a frame |
| 06/13/1989 | US4838980 Method and apparatus for introducing and joining diaphragms in slotted walls |
| 06/13/1989 | US4838732 Elastomeric sealing device |
| 06/07/1989 | EP0319512A1 Protective mound, in particular a noise barrier |
| 06/07/1989 | EP0319465A1 Set of concrete wall stones for constructing a day-stacked wall |
| 06/07/1989 | EP0201517B1 Method for breaking down ooze in a harbour basin |
| 06/07/1989 | CN2038919U Bayonet-type safety well cover |
| 06/06/1989 | US4836718 Earth retaining method and structure with improved corrosion protection and drainage |
| 06/01/1989 | WO1989004895A1 Telescopic well or column pipe |
| 06/01/1989 | DE3839094A1 Panel-type structural element |
| 05/31/1989 | EP0318243A1 Earth structures |