| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 11/24/1982 | EP0065199A2 Coupling system for establishing delimitating structures, and interconnectable blocks for said system |
| 11/09/1982 | CA1135103A1 Steel connection raiser for manhole |
| 10/19/1982 | CA1133739A1 Manhole construction |
| 09/22/1982 | EP0060578A1 Method of forming an elevation partially or entirely under water, an elevation formed by this method and a boundary means to be used for the formation of the elevation |
| 09/16/1982 | WO1982003098A1 Method and apparatus for anchoring off-shore structures |
| 09/15/1982 | EP0059820A1 Assembly of blocks for constructing walls |
| 09/14/1982 | US4349293 Compound block kit |
| 09/08/1982 | EP0059648A1 Method of, and apparatus for, anchoring off-shore structures |
| 09/07/1982 | CA1131183A1 Safety landing |
| 09/01/1982 | EP0058925A1 Construction set for a cribbing for use in retaining walls, noise protecting walls or the like |
| 09/01/1982 | EP0058731A1 Wall composed of a plurality of construction elements |
| 08/31/1982 | US4346921 Drainage inspection chambers |
| 08/10/1982 | US4343572 Apparatus and method for anchoring the rigid face of a retaining structure for an earthen formation |
| 08/10/1982 | US4343571 Reinforced earth structures |
| 08/04/1982 | EP0057097A1 Improvements in or relating to cover and frame assemblies |
| 07/27/1982 | US4341491 Earth retaining system |
| 07/27/1982 | CA1128327A1 Retaining ties |
| 07/14/1982 | EP0055987A1 Prefabricated retaining wall for walls or mounds |
| 07/13/1982 | CA1127496A1 Manhole ceiling tent |
| 07/13/1982 | CA1127466A1 Concrete marine float and method of fabricating same |
| 06/29/1982 | US4337005 Structures for supporting manhole covers, grates and the like provided with self-storing adjustable leveling apparatus |
| 06/29/1982 | CA1126468A1 Method of and apparatus for building construction |
| 06/22/1982 | US4335740 Wellhead bunker |
| 06/15/1982 | US4334801 Method and apparatus for covering a pipeline |
| 06/15/1982 | US4334393 Earth-sheltered structure |
| 06/01/1982 | CA1124541A1 Multi-purpose precast concrete panels and methods of constructing concrete structures employing the same |
| 05/12/1982 | EP0051316A1 Gulley with a collecting bowl open at the top |
| 05/11/1982 | US4329089 Method and apparatus for retaining earthen formations through means of wire structures |
| 05/11/1982 | US4329083 Methods of laying underground conduits |
| 05/05/1982 | EP0050928A1 Manufacturing manhole cover frames |
| 04/28/1982 | EP0050166A1 Ground retaining wall |
| 04/20/1982 | US4325405 Valve box assembly |
| 04/13/1982 | US4324508 Retaining and reinforcement system method and apparatus for earthen formations |
| 04/06/1982 | US4323140 Safety landing |
| 03/31/1982 | EP0048523A1 A plastics gully with a cover engaging a support member |
| 03/23/1982 | CA1120513A1 Drainage inspection chambers |
| 03/17/1982 | EP0047718A1 Hollow block for constructing bank acclivities |
| 03/17/1982 | EP0047717A1 Building block |
| 03/17/1982 | EP0047610A1 Anchored earth structure |
| 03/10/1982 | EP0046757A1 Method of and apparatus for building construction |
| 03/09/1982 | US4318642 Walls |
| 03/04/1982 | WO1982000678A1 A method for making a construction from stones of concrete |
| 03/02/1982 | CA1119008A1 Seal for articulated joint connecting a long leg of a drilling and/or production platform to the associated spud tank |
| 02/09/1982 | CA1117777A1 Concrete cladding element for a reinforced earth structure |
| 01/27/1982 | EP0044525A1 Manhole cover provided with a lid supported by a frame on single points |
| 01/26/1982 | US4312606 Interlocking prefabricated retaining wall system |
| 01/26/1982 | CA1116912A1 Support frame |
| 01/19/1982 | US4311409 Wet powder seal for gas containment |
| 01/19/1982 | CA1116422A1 Earth retaining wall of vertically stacked chevron shaped concrete blocks |
| 01/12/1982 | CA1115972A1 Method and device for building in the ground vertical walled structures starting from a subterranean conduit |
| 01/05/1982 | US4308816 Amphibious industrial landing stages which can be run aground and means for the displacement of heavy loads to the grounds |
| 12/29/1981 | CA1115106A2 Method of positioning a frame in a paved surface |
| 12/29/1981 | CA1115072A1 Method of manufacturing building elements and building |
| 12/22/1981 | US4306393 Swimming pool deck system |
| 12/22/1981 | CA1114740A1 Sea-floor shoring cellar and method of installing the same |
| 12/16/1981 | EP0041930A1 Process for the articulated connection of so-called 'diaphragms' to the 'base panel' of a gabion |
| 12/15/1981 | US4305679 Manhole sealing device |
| 12/15/1981 | US4305478 Anchoring and rescue apparatus |
| 12/02/1981 | EP0040807A1 Spatial structure for building retaining walls covered with vegetation |
| 12/01/1981 | CA1113596A1 Base for mounting electrical equipment |
| 11/26/1981 | WO1981003291A1 Method of providing waterproof coating for masonry walls |
| 11/25/1981 | EP0040459A1 Method of providing waterproof coating for masonry walls |
| 11/24/1981 | US4302126 Manhole cover support ring |
| 11/11/1981 | EP0039448A2 Wall made of concrete elements |
| 11/11/1981 | EP0039372A1 Shaped brick for a talus |
| 11/04/1981 | EP0039301A1 Securing means for closure device for manhole cover |
| 10/13/1981 | US4294049 Quick opening internal manway for towers |
| 10/06/1981 | US4293245 Structural system and structural elements for use and construction of earth filled walls |
| 10/06/1981 | US4293239 Method of erecting a very large diameter offshore column |
| 09/23/1981 | EP0036079A1 Man-hole frame constructed of assembled members |
| 09/22/1981 | US4290246 Multi-purpose precast concrete panels, and methods of constructing concrete structures employing the same |
| 09/15/1981 | US4288960 Interlocking building block |
| 09/02/1981 | EP0034907A1 A submerged tunnel and a method of, and means for, constructing a submerged tunnel |
| 08/26/1981 | EP0034565A1 Wall built up with elements |
| 08/26/1981 | EP0034520A2 Mining excavating process using the bord and pillar method |
| 08/25/1981 | CA1107543A2 Method of installing manhole safety steps and plugs therefor |
| 08/04/1981 | US4281944 Manhole cover support |
| 07/14/1981 | US4278364 Retaining ties |
| 07/08/1981 | EP0031773A2 Modular vertical construction element especially intended for use in retaining structures, and process for making such structures |
| 07/08/1981 | EP0031641A2 Removable covers and frames therefor |
| 07/07/1981 | US4277309 Nuclear reactor installation |
| 07/01/1981 | EP0031154A1 Construction element system for erecting plant accommodating walls |
| 06/30/1981 | US4275757 Manhole structure and method of making same |
| 06/25/1981 | WO1981001722A1 Method of and apparatus for building construction |
| 06/17/1981 | EP0030530A2 Prefabricated unit for retaining walls, sound protecting walls and similar structures |
| 06/16/1981 | US4273813 Method of providing waterproof coating for masonry walls |
| 06/16/1981 | US4273476 Reinforcement of armored earth work constructions |
| 06/16/1981 | US4273467 Adjustable manhole cover support |
| 06/09/1981 | US4271550 Method for submerging an equipment of negative buoyancy |
| 06/02/1981 | CA1102160A1 Manhole assembly, especially for a roadway |
| 05/26/1981 | US4269545 Retaining wall structure and method of constructing same |
| 05/13/1981 | EP0028558A1 Method of improving the sliding resistance of a civil engineering construction and its foundation |
| 05/12/1981 | US4266890 Retaining wall and connector therefor |
| 05/12/1981 | US4266380 High strength cover for underground utility box |
| 05/06/1981 | EP0027839A1 A rail clip holder |
| 05/05/1981 | US4265193 Concrete marine float and method of fabricating |
| 04/15/1981 | EP0026797A1 Sound repelling and/or absorbing wall |
| 04/14/1981 | US4261541 Manhole sewer pipe opening blockout member |
| 04/07/1981 | US4260296 Adjustable cap for retaining walls |
| 03/17/1981 | US4255909 Manhold |