| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 09/23/1993 | DE4209069A1 Integral drive for moving manhole cover - has lifting cylinder located under cover and located on rotating arm to one of side of shaft |
| 09/23/1993 | DE4208453A1 Manhole cover hinge and lift assisting lever arrangement - formed such that when open hinge and lever are fully recesses and do not obstruct opening |
| 09/22/1993 | CN2142470Y Well cover with implicit lock |
| 09/16/1993 | WO1993018240A1 Stiffening flanges and gussets for deformation resistance of manhole cover support |
| 09/15/1993 | EP0560660A1 Multistorey underground garages and construction method thereof |
| 09/15/1993 | EP0559670A1 Cap for a shaft. |
| 09/14/1993 | US5244316 Borer-resistant waterfront retaining bulkhead |
| 09/09/1993 | DE4225497C1 Locking-joint-cleaning method in hardening wall - flushes out space between seals using agent of greater specific gravity than wall material in liquid state and removes after wall hardens |
| 08/31/1993 | US5240346 Manhole having a splayed rib ring formed at underside of the lid thereof |
| 08/31/1993 | US5240345 Manhole sealing assembly |
| 08/25/1993 | CN2140918Y Theft-proof cover for manholes |
| 08/25/1993 | CN1075523A Seepage-proof wall building method using underground pure clay and its material |
| 08/18/1993 | EP0469008B1 A wall |
| 08/05/1993 | DE4202516A1 Forming hole in cylindrical component cast in concrete - by using high pressure jet of water, when component is stable but concrete is still plastic |
| 08/04/1993 | EP0553723A1 Sealing joint for construction elements in contact, especially for concrete elements |
| 08/04/1993 | CN2139595Y 自锁式防盗井盖 Self-locking security covers |
| 07/29/1993 | DE4301430A1 Interlocking building block - symmetrically arranged block with projection and recesses for bonding |
| 07/28/1993 | EP0552644A1 A composite sheet for the reinforcement of earth supporting works for embankments, slopes and the like and production process of the same |
| 07/28/1993 | CN1074724A Rotary well covering device |
| 07/27/1993 | US5230583 Method of sealing openings in manhole covers using a pick hole plug |
| 07/21/1993 | EP0552064A1 An underwater tunnel and an underwater mooring apparatus |
| 07/20/1993 | USRE34314 Block wall |
| 07/20/1993 | CA1320347C Landscape timber building module |
| 07/18/1993 | CA2087382A1 Underwater tunnel and an underwater mooring apparatus to moor the underwater tunnel |
| 07/14/1993 | EP0551046A1 Improved system for locking a cover on a frame, suitable for manholes or the like |
| 07/13/1993 | CA1320071C Manhole casting positioning apparatus and method |
| 07/08/1993 | WO1993013344A1 Elongated housing of large cross-section and its fabrication method |
| 07/08/1993 | CA2110902A1 Elongated housing of large cross-section and its fabrication method |
| 07/07/1993 | CN2137678Y Combined sewerage double-edged fine-toothed comb for manhole |
| 07/06/1993 | US5224801 Interlocked gridwork for retaining walls, and the like |
| 06/29/1993 | US5222836 Passive resistive retaining wall structure |
| 06/24/1993 | DE4232933A1 Building component set for prodn. of fence or palisade - comprises at least two bodies equal in cross=section and provided on outside on cover surface with recess extending over cover length |
| 06/23/1993 | EP0547984A1 Profile made of composite material for reinforcing walls, concrete or for consolidating ground, and method for manufacturing the same |
| 06/23/1993 | CN2136855Y Theft-proof cover with double lock for manhole |
| 06/22/1993 | US5221155 Vertically adjustable manhole adjusting ring section |
| 06/22/1993 | CA1319261C Cellular structures for retaining wall |
| 06/16/1993 | CN2136274Y Antisettling combined manhole cover |
| 06/16/1993 | CN2136273Y Theftproof manhole cover |
| 06/16/1993 | CN2136272Y Safety theftproof facilities for well pump |
| 06/15/1993 | US5220484 Underground transformer cabin consisting of two units, one inside the other |
| 06/10/1993 | WO1993011306A1 Interlocked gridwork for retaining walls, and the like |
| 06/10/1993 | CA2124205A1 Interlocked gridwork for retaining walls, and the like |
| 06/09/1993 | DE4140367A1 Concrete posts for palisading - has flat side and rear faces and convex face on the front side with tapered base for driving into ground |
| 06/09/1993 | DE4140150A1 Throttle valve for discharge flow - has closure pivot displaced relative to flow, on one side of closure element. |
| 06/01/1993 | US5214898 Block particularly for building loose-laid retaining walls |
| 06/01/1993 | CA2008123C Buried pipe making method |
| 06/01/1993 | CA1318512C Method and apparatus for constructing seawalls and docks |
| 05/19/1993 | CN2133610Y Pre-casting reinforced concrete retaining wall |
| 05/18/1993 | US5211504 Adjustable manhole top |
| 05/13/1993 | DE4136484A1 Concrete construction for cellar of building - has floor plate and side walls and is sealed against ingress of water and can be installed in earth floor which is wet |
| 05/12/1993 | CN1071985A Automatic opening-and-closing gutter cover for rain-water-collecting with sealing function |
| 05/11/1993 | US5209601 Manhole grade adjusting ring and method |
| 05/04/1993 | US5207038 Reinforced earth structures and method of construction thereof |
| 05/04/1993 | CA1317120C Pre-cast, reinforced concrete retaining wall system |
| 04/29/1993 | DE4130768C1 Metal reinforcement caging for hardcore under roads - uses pre-tensioned mesh under hardcore which is then tensioned and joined over laid hardcore. |
| 04/28/1993 | CN2130844Y Anti-theft well cover |
| 04/28/1993 | CN2130843Y High-strength anti-theft well cover |
| 04/27/1993 | US5205675 Precast cribbing wall system |
| 04/27/1993 | US5205668 Manhole adapter |
| 04/21/1993 | EP0538115A1 Cover for manhole or the like |
| 04/21/1993 | EP0537552A1 Locking device for a grating on a frame |
| 04/20/1993 | CA1316365C Retaining wall block module |
| 04/13/1993 | US5201600 Manhole sealing apparatus and method |
| 04/13/1993 | US5201151 Manhole rim and cover assembly |
| 04/07/1993 | EP0536100A1 A riser with floating cover |
| 04/07/1993 | CN1070709A Closed arch ring retaining structure and its construction method |
| 04/01/1993 | WO1993006310A1 Kit of moulded concrete blocks and gravity retaining wall made therefrom |
| 03/31/1993 | EP0534346A1 Vegetative soundbarrier, composed of a number of frame parts |
| 03/30/1993 | US5198246 Concrete molding device |
| 03/25/1993 | DE4131423A1 Bausatz aus beton-formsteinen sowie eine hieraus erstellte schwergewichts-stuetzmauer Kit-form concrete blocks and a heavy weight-retaining wall created therefrom |
| 03/24/1993 | EP0533649A1 Device for sealing a caisson in a watertight way |
| 03/24/1993 | EP0533533A1 Locked manhole cover |
| 03/18/1993 | WO1993005328A1 Underground containment tank with removable piping assembly |
| 03/18/1993 | WO1993005240A1 Manhole and handhole construction (roads) |
| 03/18/1993 | DE4142259C1 Mfr. of concrete/cast iron manholes and frames - projections from the cast iron section are formed in the mould and later deformed to form anchorage for the cast concrete |
| 03/10/1993 | CA2050965A1 Wall retaining and scaffolding assembly for ground excavation and method for dismantling same |
| 03/05/1993 | WO1993005239A1 Assembly and method for producing landscaping supports |
| 03/05/1993 | CA2095522A1 Assembly and method for producing landscaping supports |
| 03/04/1993 | DE4127806A1 Height adjustable road manhole cover - has height of manhole adjusted by threaded studs to match intermediate layers of tarmac during construction. |
| 03/03/1993 | EP0529178A1 Raiser for manhole cover |
| 03/03/1993 | EP0348489B1 Earth stabilisation |
| 03/03/1993 | CN2127723Y Theft-proof cover for manholes |
| 03/03/1993 | CN2127722Y Structure-improved wall-protecting plock for earth slopes |
| 03/02/1993 | US5190413 Earthwork system |
| 02/10/1993 | EP0526744A1 Manhole shaft element and manhole shaft |
| 02/10/1993 | CN2126856Y Anti-stealing manhole cover |
| 02/09/1993 | US5184912 Split-ring manhole cover support |
| 02/09/1993 | US5184422 Swing away manway assembly |
| 01/28/1993 | DE4124510A1 Height adjustable shaft casings for manholes - pair of casings with inclined matching faces with tooth like indentations arresting surfaces |
| 01/26/1993 | US5181351 Building element for supporting grid walls with a bulk material filling |
| 01/20/1993 | EP0524141A1 Palisade element |
| 01/20/1993 | CN1068163A Injection-type chemical composition for stabilization and reinforcement process using same |
| 01/12/1993 | US5178493 Counterfort wall |
| 01/12/1993 | US5178492 Method and apparatus for anchoring backfilled wall structures |
| 01/12/1993 | US5177925 Wall element for the dry construction of walls |
| 01/07/1993 | WO1993000485A1 Manhole cover holder |
| 01/07/1993 | WO1993000484A1 Connector for use in combination with blocks for wall structures or the like |
| 12/29/1992 | US5174688 Retaining wall with tie-back elements and tied arch |
| 12/22/1992 | US5173027 Automated parking system and subassemblies therefor |
| 12/22/1992 | US5172919 Appliance for preventing water from leaking through joint |