| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 10/13/1987 | US4699545 Spray ice structure |
| 10/08/1987 | DE3611042A1 Wall, in particular noise protection wall, and precast members for such a wall |
| 10/06/1987 | US4697955 Method of constructing reinforced concrete works such as underground galleries, road tunnels, et cetera; pre-fabricated contrete elements for constructing such works |
| 10/06/1987 | US4697954 Basemented floor structure for a waste dump |
| 09/30/1987 | EP0239287A1 A method of forming a fixed structure |
| 09/29/1987 | US4696597 Equipment for carrying out work, under dry conditions, on an underwater structure |
| 09/24/1987 | WO1987005648A1 Retaining wall built with reinforced earth |
| 09/24/1987 | DE3632726A1 Frame for cable manhole covers |
| 09/24/1987 | DE3609593A1 Manhole cover with switch cabinet, in particular for tee-off substations and/or amplifier stations |
| 09/17/1987 | DE3607002A1 Method of constructing an underwater tunnel, and an underwater tunnel constructed according to the method |
| 09/15/1987 | US4693634 Prefabricated support and covering structure, particularly for constructing tunnels, bridges and the like |
| 09/08/1987 | CA1226448A1 Prefabricated support and covering structure, particularly for constructing tunnels, bridges and the like |
| 09/03/1987 | DE3606370A1 Flexible joint seal for structural parts |
| 09/02/1987 | EP0234175A1 Building set for the erection of walls |
| 09/01/1987 | US4690588 Seawall |
| 09/01/1987 | US4690584 Apparatus for securing adjustable support structures for manhole covers, grates and the like |
| 08/18/1987 | US4687378 Temporarily terminating laying of underwater pipe line |
| 08/12/1987 | EP0232175A1 Stabilised earth structures |
| 08/12/1987 | EP0232050A1 Retaining wall system |
| 08/12/1987 | EP0231724A1 Structure and set of accessories for realizing the same |
| 08/12/1987 | EP0231454A1 Cover for pitshaft |
| 08/11/1987 | US4685838 Retaining wall |
| 08/11/1987 | US4685829 Modular construction system for a covered structure |
| 08/05/1987 | EP0231134A1 Method for precisely positioning a prefabricated structure by sinking into the sea or into a river, and maritime or fluvial construction obtained by said method |
| 08/05/1987 | CN86207210U Construction equipment for rigid joint of underground continuous walls |
| 08/04/1987 | US4684294 Retaining wall construction element |
| 08/04/1987 | US4684287 Retaining wall construction and method for erection |
| 07/28/1987 | US4682907 Self sealing sewer cover assembly |
| 07/28/1987 | CA1224659A1 Safety manhole cover |
| 07/23/1987 | DE3601086A1 Storage and transportation guard for a mounting groove |
| 07/16/1987 | DE3700159A1 Method and apparatus for constructing a main drain |
| 07/02/1987 | DE3534809A1 Buried-cable or buried-pipe prefabricated construction box for branch or booster stations |
| 07/01/1987 | EP0227605A1 Method for anchoring a hollow-stones wall |
| 06/23/1987 | US4674921 Seawall |
| 06/23/1987 | CA1223127A1 Embankment stabilizing brick |
| 06/16/1987 | US4673310 Method of and apparatus for adjustably leveling manhole covers, grates and the like |
| 06/16/1987 | EP0225359A1 Device for accurately positioning two geometrical axes which belong correspondingly to two elements |
| 06/16/1987 | EP0225324A1 Submarine element driving means. |
| 06/11/1987 | DE3543199A1 Lining for a tunnel produced in an open type of construction |
| 06/09/1987 | US4671706 Concrete retaining wall block |
| 06/04/1987 | DE3542427A1 Socketed-pipe connection |
| 06/02/1987 | US4669625 Easy opening lid |
| 06/02/1987 | CA1222384A1 Retaining wall structure |
| 05/26/1987 | US4668129 Retaining wall system using soil arching |
| 05/21/1987 | WO1987003026A1 Method of constructing a rigid structure upon the bottom of a body of water as well as lost casing for performing said method |
| 05/21/1987 | DE3546530A1 Device for securing a manhole cover |
| 05/20/1987 | EP0221986A1 Offshore structures |
| 05/19/1987 | US4666333 Manhole casting positioning apparatus |
| 05/14/1987 | DE3537524A1 Purpose-made block which consists of concrete or is in the form of a brick in order to produce walls and masonry walls of all types |
| 05/12/1987 | US4664562 Cribwalling |
| 05/07/1987 | DE3537956A1 Manhole cover in particular for cable manholes |
| 05/05/1987 | US4663036 Septic system drop box with seal apparatus therefor |
| 05/05/1987 | US4662794 Facing in the form of plates for the bank of earthen formations, particularly soil masses reinforced by geotextile sheets |
| 05/05/1987 | US4662789 Hydrostatic coupling device |
| 05/05/1987 | US4662777 Composite article |
| 05/05/1987 | US4662607 Apparatus for operating manhole cover |
| 05/05/1987 | CA1221245A1 Easy lift pit lid |
| 04/28/1987 | US4661023 Riveted plate connector for retaining wall face panels |
| 04/28/1987 | US4661014 Prefabricated civil engineering module, method for the construction of a structure including said module and resulting structure |
| 04/28/1987 | US4661012 Soil retaining apparatus and blocks therefor |
| 04/28/1987 | EP0171417A4 Structural module for retaining walls and the like. |
| 04/23/1987 | DE3628703A1 Opening device for covers of ground orifices, especially for inspection orifices of sewage systems |
| 04/22/1987 | EP0218702A1 Improvements relating to construction of submerged roadways and other structures |
| 04/21/1987 | US4659261 Retaining wall for earth and similar materials |
| 04/21/1987 | CA1220659A1 External manhole chimney seal |
| 04/14/1987 | US4657435 Underwater tunnel construction |
| 04/09/1987 | DE3535976A1 Manhole cover |
| 04/07/1987 | US4655646 Multitiered, rigid tieback, essentially vertical retaining wall system |
| 04/07/1987 | US4655637 Revetment system for preventing bluff erosion |
| 04/07/1987 | CA1220046A1 Connecting and pressure-distributing element for concrete structural members |
| 04/07/1987 | CA1220042A1 Prestressed component retaining wall system |
| 04/07/1987 | CA1220041A1 Insulating panel for the outer insulation and outer drainage of subterranean walls |
| 04/02/1987 | DE3536809C1 Catch pan for a cable manhole |
| 04/01/1987 | EP0215994A1 Set of elements for composite constructions |
| 04/01/1987 | EP0215991A1 Building element for planted retaining walls |
| 03/31/1987 | US4653962 Retaining wall construction and method of manufacture |
| 03/31/1987 | US4653728 Apparatus for operating and transferring manhole cover |
| 03/26/1987 | DE3607630A1 Soil stabilisation |
| 03/25/1987 | EP0215407A2 Wall with gravity support structure, building element and method for construction thereof |
| 03/19/1987 | DE3532947A1 Vertically adjustable manhole cover with a lifting device |
| 03/17/1987 | US4650365 Watertight manhole insert |
| 03/17/1987 | US4650149 Mold assembly for installing a gasket in the peripheral wall of an opening in a wall |
| 03/17/1987 | US4649674 Drain hole seal with bottom bleeder |
| 03/12/1987 | WO1987001406A1 Retaining wall system using soil arching |
| 03/12/1987 | DE3530502A1 Tunnel of steel elements |
| 03/10/1987 | US4648752 Marine template retaining wall and method of construction |
| 03/10/1987 | US4648749 Method and apparatus for constructing an artificial island |
| 03/10/1987 | US4648743 Method of producing a subterranean structure |
| 03/10/1987 | US4648740 Manhole lid seal |
| 03/10/1987 | CA1218860A1 Concrete faced bin wall |
| 03/05/1987 | DE3530629A1 Device for lowering and raising a manhole cover |
| 03/05/1987 | DE3530124A1 Verfahren zur herstellung einer boeschungswand oder eines walles, insbesondere eines laermschutzwalles A process for preparing a boeschungswand or Walles, in particular a laermschutzwalles |
| 03/04/1987 | EP0212357A1 Prefabricated concrete suspension stone |
| 03/04/1987 | CN86104514A Metal strip for use in stabilised earth structures |
| 03/03/1987 | CA1218552A1 Round manhole with hinged half covers for roadway |
| 02/26/1987 | WO1987001148A1 Process for constructing a sloping wall or embankment in particular a sound-proofing embankment |
| 02/26/1987 | DE3529425A1 Concrete block for increasing the righting moment |
| 02/26/1987 | DE3529319A1 Space-lattice structure of concrete parts for erecting retaining and noise-protection walls on which plants can be grown |
| 02/17/1987 | US4643618 Soil reinforced cantilever wall |
| 02/17/1987 | US4642952 A-shelter |