| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 12/22/1992 | CA2045219A1 Manhole cover frame |
| 12/09/1992 | CN2124257U Round theftproof metal manhole cover device |
| 12/08/1992 | US5169266 Bimetallic strip of stainless steel contacted with less electrochemically active nobel metal, which acts as sacrificial anode |
| 12/08/1992 | US5168678 Modular landscaping system and structures |
| 12/02/1992 | CN1066698A Sealing method and apparatus of filling slurry into large diameter hole with flowage water |
| 11/26/1992 | WO1992020883A1 A foundation for a building structure |
| 11/25/1992 | CA2069178A1 Retaining wall and block for constructing the same |
| 11/24/1992 | US5165819 Manhole cover support with flange borne on its own base |
| 11/18/1992 | CN2122173U Mutifunction anti-theft manhole-shaft cover |
| 11/17/1992 | US5163261 Retaining wall and soil reinforcement subsystems and construction elements for use therein |
| 11/17/1992 | CA2010948C Street manhole cover lifting device |
| 11/11/1992 | EP0512932A1 Prefabricated modular element for the dry erection of retaining walls, construction made with said element and procedure for the dry erection of said structure |
| 11/11/1992 | CN2121484U Height and batter-adjustable well ring |
| 11/11/1992 | CN2121483U Anti-stealing well cover |
| 11/11/1992 | CN2121482U Culvert cover structure |
| 11/10/1992 | US5161918 Set-back retaining wall and concrete block and offset pin therefor |
| 11/10/1992 | US5161917 Method of and an element for the production of structures for containing areas of ground |
| 11/10/1992 | CA1309890C Manhole cover support having interbraced top members |
| 11/03/1992 | US5160213 Covering for a ground opening |
| 11/03/1992 | US5160064 Fuel containment cover assembly |
| 10/28/1992 | CN2120135U Covers for manholes |
| 10/27/1992 | US5158399 Method for erecting a below grade wall |
| 10/20/1992 | US5156496 Earth structures |
| 10/20/1992 | US5156495 Composite civil engineering structure |
| 10/14/1992 | CN2118753U Self-lock well cover |
| 10/13/1992 | US5154542 Earth-retaining module, system and method |
| 10/07/1992 | EP0507708A1 Safety device for hinged manhole cover |
| 10/06/1992 | US5152635 For a fluid carrying pipe |
| 10/06/1992 | CA1308292C Multicomponent wales and bases for manhole cover supports |
| 10/06/1992 | CA1308266C Earth stabilisation |
| 10/01/1992 | WO1992016696A1 Injection tube for chemical injection in concrete |
| 09/30/1992 | EP0506591A1 Cover for an access or evacuation manhole |
| 09/30/1992 | EP0506590A1 Means for securing a cover to a manhole frame |
| 09/30/1992 | CN2117400U Pithead preventing thieves |
| 09/29/1992 | US5150984 Stiffening flanges for deformation resistance of manhole cover support |
| 09/24/1992 | DE4208974A1 Outer support wall corner with two L=shaped concrete blocks |
| 09/24/1992 | DE4208964A1 Steep bank supporting structure |
| 09/24/1992 | DE4207919A1 Injektionsschlauch zur chemischen injektion in beton Injection tube for chemical injection in concrete |
| 09/23/1992 | EP0504900A1 Element for retaining wall external corner |
| 09/22/1992 | CA1307675C Construction block |
| 09/16/1992 | EP0503110A1 Facing element for selfsupporting structures |
| 09/15/1992 | CA1307418C Covering for a ground opening |
| 09/09/1992 | EP0502149A1 Construction and process for producing the same, associated construction elements and sets of construction elements |
| 09/08/1992 | US5145288 Mortarless retaining wall |
| 09/08/1992 | US5144779 Joining of a concrete element to a support |
| 09/02/1992 | EP0501945A1 Frame-shaped construction element |
| 09/02/1992 | EP0501367A1 Supporting device for manhole element |
| 09/01/1992 | US5143478 Adjustable manhole cover support with spanners |
| 08/27/1992 | DE4105930A1 Large volume bag for construction of protective embankments - has suspension loops along upper edge with at least one rapidly opening closure emerging from upper edge |
| 08/26/1992 | EP0500444A1 Underground tubular structure |
| 08/26/1992 | EP0500221A1 Method and apparatus for constructing long span, shell-shaped, substantially horizontal concrete structures |
| 08/19/1992 | EP0499592A1 Underground transformer cabin consisting of two units, one inside the other |
| 08/19/1992 | CN2113297U Theft-proof well cover with cipher |
| 08/19/1992 | CN2113296U Lock control cover for manhole shaft |
| 08/19/1992 | CN1063733A Flexible rope pile bulkhead tech. |
| 08/18/1992 | US5139369 Wall with gravity support structure, building element and method for construction thereof |
| 08/13/1992 | DE4104247A1 Wall for supporting an embankment |
| 08/13/1992 | CA2061103A1 Underground transformer cabin consisting of two units, one inside the other |
| 08/11/1992 | US5136811 Torque rod counterbalanced door assembly |
| 08/11/1992 | CA1306134C Manhole covering |
| 08/06/1992 | WO1992013142A1 Under-water cell |
| 08/04/1992 | CA1305888C Frame for forming coverings on ground openings |
| 08/04/1992 | CA1305866C Method for underground storage tank abandonment |
| 07/29/1992 | EP0202256B2 Method of construction for a covered structure |
| 07/28/1992 | CA1305598C Covering for a ground opening |
| 07/23/1992 | WO1992012297A1 Finished moulding made from moulding material |
| 07/22/1992 | EP0402391B1 Access covers for manholes |
| 07/22/1992 | CN1062944A Retaining wall structure |
| 07/22/1992 | CN1017534B Earth structure |
| 07/21/1992 | US5131791 Retaining wall system |
| 07/14/1992 | CA1304951C Structural assembly for producing interconnecting structures |
| 07/09/1992 | DE4100307A1 Rectangular shaft cover - has hinged cover, and larger-size frame sections |
| 07/09/1992 | DE4100160A1 Fertigformteil aus formmasse Finished molding of molding compound |
| 07/09/1992 | DE4100097A1 Concrete block for garden walls - is mainly rectangular, with distance pieces and holder tongues |
| 07/07/1992 | US5127770 Retaining wall assembly utilizing face panels interlocked with tie-back/anchors |
| 07/01/1992 | EP0492975A1 Improvement to earth reinforcement and embankment building systems |
| 06/30/1992 | CA1304235C Facings for earthworks |
| 06/29/1992 | WO1992012296A1 A retaining wall structure |
| 06/29/1992 | CA2099111A1 Retaining wall structure |
| 06/24/1992 | CN2108125U Theftproof locking device for manhole cover |
| 06/23/1992 | US5123776 Plastic fillable manhole cover with penetrating handles |
| 06/23/1992 | US5123221 Modular wall structure and units therefor |
| 06/17/1992 | EP0490168A1 Building stones for dry walls |
| 06/16/1992 | US5122015 Construction assembly |
| 06/11/1992 | DE4105360A1 Road tunnel trough structure - has drainage system in and below caps at expansion joint strips |
| 06/10/1992 | EP0489054A1 Cellular structures for sustaining walls |
| 06/09/1992 | US5120164 Retaining wall and block for constructing the same |
| 06/09/1992 | CA1302766C Frame for a covering for an opening protected by a cover or grating |
| 06/02/1992 | US5117583 Landscape terracing material |
| 06/02/1992 | CA1302142C Means for securing a covering closing an opening |
| 06/02/1992 | CA1302141C Covering for an opening with a cover or grating placed in a frame |
| 05/27/1992 | WO1992009753A1 Cap for a shaft |
| 05/27/1992 | DE4037557A1 Cable-accesses shaft cover plate - has ribs on underside and central opening and is lightweight and damage resistant |
| 05/26/1992 | CA1301520C Temporary device for use during street repairs |
| 05/20/1992 | EP0485649A1 Height adjustable bearing frame for manhole covers |
| 05/20/1992 | CN2104882U Anti-theft device for well cover |
| 05/20/1992 | CN1016725B Method and apparatus for placing hollow column in hard bottom of water |
| 05/19/1992 | US5114270 Barrier apparatus |
| 05/14/1992 | WO1992008010A1 Retaining wall |
| 05/13/1992 | CN2104245U Joint proof well cover |