| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
|---|
| 09/05/1990 | EP0171432B1 Modules used for retaining walls and the like |
| 09/05/1990 | CN2061575U Theft-proof device for manhole cover |
| 08/29/1990 | EP0383884A1 Clamping ring. |
| 08/29/1990 | CN2061185U Anti-stealing device mounted on sink well cover or grating |
| 08/28/1990 | US4952098 Retaining wall anchor system |
| 08/28/1990 | US4952097 Permanent concrete wall construction and method |
| 08/28/1990 | US4952094 Ground water drain |
| 08/22/1990 | EP0383374A1 Publicity cover |
| 08/22/1990 | CN2060788U Safety well cover being able to guarding against theft |
| 08/16/1990 | EP0382608A1 Method of making an excavation by the trench wall technique involving the use of releasably prestressed floor elements |
| 08/09/1990 | DE4000033A1 Shuttering of concrete lining of manhole - is made from elastically flexible sheet bent to cylindrical form |
| 08/08/1990 | EP0381665A2 Process and apparatus for forming a strand of single elements under water |
| 08/08/1990 | EP0381547A1 Method for laying an entrenched conduit |
| 08/08/1990 | EP0381147A1 Concrete retaining wall block, retaining wall and method of construction therefore |
| 08/08/1990 | CN1044507A Construction in water and the method of constructing |
| 08/02/1990 | DE3931034A1 Damping ring - for drain manhole cover made of specified grade of polyethylene having raised edge and specific shore hardness and modulus of elasticity |
| 08/01/1990 | EP0379888A1 Building element for cellular constructions with a loose material filling |
| 08/01/1990 | EP0379526A1 Earth stabilisation |
| 07/26/1990 | WO1990008243A1 Manhole cutter |
| 07/25/1990 | EP0379383A1 Method of constucting underwater buildings |
| 07/25/1990 | EP0378961A1 Unit comprising mesh combined with geotextile |
| 07/25/1990 | CA2008565A1 Structural element for cellular structures filled with bulk materials |
| 07/24/1990 | CA1271922A1 Undershoring structure, method of constructing said structure, and related device |
| 07/18/1990 | EP0377628A1 Method of controlling the movements of a filling material. |
| 07/11/1990 | EP0377541A1 Process and apparatus for anchoring the shieldings of a reinforced-earth wall |
| 07/05/1990 | DE3843151A1 Construction set for producing shafts of reinforced concrete members |
| 07/04/1990 | EP0376425A2 Apparatus for ventilating an enclosure accessed by a manhole |
| 06/26/1990 | US4936713 Earth retaining system |
| 06/26/1990 | US4936712 Retaining wall system |
| 06/26/1990 | US4936703 Frame for a covering for an opening protected by a cover or grating |
| 06/26/1990 | US4936062 Rebar tie holder |
| 06/19/1990 | US4934715 Gasket for use with manhole covers |
| 06/14/1990 | WO1990006401A1 Enclosed prestressed concrete suspension bridge and method for constructing said bridge |
| 06/13/1990 | EP0372963A1 Apparatus and method for improved pipe to manhole sealing |
| 06/13/1990 | EP0372545A2 Manhole cover made of pig iron and concrete |
| 06/13/1990 | EP0372260A1 Drainage gully or manhole shaft |
| 06/12/1990 | US4932812 Intermeshable construction unit |
| 06/12/1990 | CA2005083A1 Module and method for constructing sealing load-bearing retaining wall |
| 06/12/1990 | CA1270139A1 Precast concrete manhole adjustable bolt slot for securing cast iron frame and cover and method for casting same |
| 06/12/1990 | CA1270138A1 Movable manhole cover |
| 06/07/1990 | DE3840997A1 Fire-resistant cable shaft |
| 06/06/1990 | EP0371898A1 Building method for a light and supple massive structure by using elementary blocks made of fragments of compressed materials |
| 06/06/1990 | EP0371537A2 Method and structural elements for constructing underground garages |
| 06/06/1990 | CN2057927U Fabric concrete storm sewage grate |
| 06/05/1990 | US4930939 Wall with gravity support structure, building element and method for construction thereof |
| 06/05/1990 | US4930937 Box culvert traveler for use with concrete forming systems |
| 06/05/1990 | US4930283 Brick |
| 05/30/1990 | EP0370787A2 Improvements relating to crib walls |
| 05/29/1990 | US4929125 Reinforced soil retaining wall and connector therefor |
| 05/22/1990 | US4927290 Manhole cover support resistant to water infiltration |
| 05/22/1990 | US4927163 Storm infilteration disk with filter |
| 05/22/1990 | US4926595 Retaining wall cap unit |
| 05/16/1990 | CN2057186U Shell fabric reinforcement concrete manhole cover |
| 05/15/1990 | US4925337 Manhole covering |
| 05/15/1990 | US4925336 Pad for supporting a utility access conduit and method for installing same |
| 05/15/1990 | US4924951 Manhole cutter |
| 05/08/1990 | US4923339 Foldable concrete retaining wall structure |
| 05/08/1990 | US4923334 Lost casing for constructing a rigid structure upon the bottom of a body of water |
| 05/08/1990 | US4922678 Structural assembly for producing interconnecting structures |
| 05/08/1990 | CA1268635A1 Stabilised earth structures |
| 05/03/1990 | DE3837145A1 Securing device for shaft coverings, in particular for cellar gratings |
| 05/01/1990 | US4920722 Composable well |
| 05/01/1990 | US4920712 Concrete retaining wall block, retaining wall and method of construction therefore |
| 04/24/1990 | US4919564 Manhole insert |
| 04/24/1990 | US4918885 Method and apparatus for inhibiting ice mass formation |
| 04/17/1990 | US4917543 Wall system employing extruded panel sections |
| 04/17/1990 | US4917531 Temporary device for use with a manhole support during street repairs |
| 04/17/1990 | US4916874 Apparatus and method for reinforcing a concrete block wall |
| 04/12/1990 | DE3833389A1 Concrete interconnecting ring for forming walls, and wall formed from interconnecting rings |
| 04/11/1990 | EP0362862A2 Manhole cover |
| 04/11/1990 | CA2000403A1 Wall systems employing extruded panel sections |
| 04/10/1990 | US4914887 Method and apparatus for anchoring backfilled wall structures |
| 04/10/1990 | US4914876 Retaining wall with flexible mechanical soil stabilizing sheet |
| 04/05/1990 | DE3833414A1 Noise protection wall consisting of grid mats |
| 04/04/1990 | EP0362110A2 Retaining wall to be provided with vegetation presenting cells for use as a disposable shuttering |
| 04/04/1990 | EP0362103A1 Manhole cover |
| 03/28/1990 | CN1040840A Method and apparatus for placing hollow colum in the hard bottom of body of water in particular in rock bottom |
| 03/28/1990 | CN1040839A Building method of underground continuous reinforced concrete wall in sand and soft soil |
| 03/27/1990 | US4911585 Wall systems |
| 03/27/1990 | US4911583 Structure and method for shoring a face of an excavation |
| 03/27/1990 | US4911582 Concrete replacement wall and method of constructing the wall |
| 03/22/1990 | WO1990002847A1 Cast-in-place manhole liner apparatus and method |
| 03/22/1990 | DE3837684A1 Device for leaving or entering rooms to which the access is blocked, in particular in the case of civil-defence-construction rooms ("rescue and emergency-exit flap") |
| 03/21/1990 | EP0358857A1 Drain manhole |
| 03/20/1990 | US4909660 Grating with a locking mechanism |
| 03/20/1990 | US4909010 Concrete block for retaining walls |
| 03/15/1990 | DE3830036A1 Device for excavated material |
| 03/15/1990 | DE3829615A1 Plant half-shell mats comprising old tyres |
| 03/14/1990 | EP0357950A2 Set of angular building elements fitting into each other |
| 03/08/1990 | WO1990002232A1 Clamping ring |
| 03/07/1990 | CN2054048U 纤维砂浆及纤维混凝土井盖 Fiber and fiber reinforced concrete mortar covers |
| 03/06/1990 | US4906128 Adjustable manhole cover |
| 03/06/1990 | CA1266383A1 Retaining wall system using soil arching |
| 02/27/1990 | US4904124 Constructional work and method of construction of vertical retaining wall |
| 02/27/1990 | US4904120 Frame for forming coverings on ground openings |
| 02/27/1990 | US4904118 Structure for viewing an underwater environment |
| 02/27/1990 | CA1266186A1 Riveted plate connector for retaining wall face panels |
| 02/22/1990 | WO1990001597A1 Set of angular building elements fitting into one another |
| 02/22/1990 | DE3828384A1 Process for arranging a surface box in an upper road surface, and surface box for carrying out the process |
| 02/21/1990 | CN2053226U Wall building machine with water jet method |