| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
|---|
| 08/06/1998 | WO1998033988A1 Sealing section for tunnel segments and tunnel comprising such sealing sections |
| 08/06/1998 | WO1998033987A1 Trellis construction for back-filling with loose material |
| 08/06/1998 | DE19703350A1 Cast-iron@ frame for manhole lid set in road surface |
| 08/05/1998 | EP0856611A1 Locking device for a hinged manhole cover |
| 08/05/1998 | EP0856610A1 Duct or gully cover |
| 08/05/1998 | CN2287171Y Self-locked manhole cover against stealing |
| 08/05/1998 | CN2287170Y Cast iron manhole cover against stealing |
| 08/04/1998 | US5788424 Retaining wall units and retaining walls containing the same |
| 08/04/1998 | US5788423 Masonry block retaining wall with attached keylock facing panels and method of constructing the same |
| 08/04/1998 | US5788420 Connector for engaging soil-reinforcing grid and earth retaining wall |
| 08/04/1998 | US5788411 Roller compacted concrete dam and method of construction |
| 08/04/1998 | US5788406 Double pivot semi-automatic manhole cover lifting device |
| 08/04/1998 | US5787955 Secure tamper resistant safety net support system and assembly |
| 08/04/1998 | CA2005538C Fiber grid reinforcement |
| 07/28/1998 | US5785452 Manhole |
| 07/23/1998 | WO1998031879A1 Base of a manhole having a canal-bed liner |
| 07/23/1998 | WO1998031878A1 Composite retaining wall |
| 07/23/1998 | DE19701783A1 Fitting shaft cover in roadway or street |
| 07/23/1998 | DE19701381A1 Adjustment of installation height of manhole shaft frames |
| 07/22/1998 | EP0854240A1 Concrete product for promotion of afforestation |
| 07/21/1998 | US5782582 Filling in a hollow in the ground |
| 07/15/1998 | CN2286203Y Lock of cover for manhole |
| 07/09/1998 | WO1998029329A1 Method of upgrading an underground fuel tank pumping arrangement for preventing environmental contamination |
| 07/08/1998 | EP0851955A1 Method for raising a fixed frame for manhole covers |
| 07/07/1998 | US5775043 Underground construction |
| 07/01/1998 | EP0851068A2 Retaining block |
| 07/01/1998 | EP0851065A1 Building set for the construction of dry walls, retaining wall, and the like |
| 07/01/1998 | CN2285324Y Height easyly adjustable frame for manhole cover |
| 07/01/1998 | CN2285323Y 防盗井盖 Security covers |
| 07/01/1998 | CN1186529A Block for mortarless construction of wall |
| 06/30/1998 | US5772358 Foothold |
| 06/30/1998 | CA2137842C Reflecting body having high luminance |
| 06/25/1998 | WO1998027285A1 Device for adjusting the height of manhole covers with the cover mounted in an elevated position for roadways |
| 06/24/1998 | EP0849404A1 Manhole surface repairing method |
| 06/23/1998 | US5769564 Manhole cover frames |
| 06/18/1998 | DE19651710A1 Moulded concrete block for landscaping |
| 06/18/1998 | DE19651366A1 Support for manhole cover |
| 06/17/1998 | EP0847685A2 Concrete block for landscaping |
| 06/17/1998 | EP0734604B1 Cable duct element |
| 06/17/1998 | CN2284267Y Inspection shaft cover lock |
| 06/17/1998 | CN1185188A Concrete product for promation of afforestation |
| 06/16/1998 | US5765970 Plastic retaining wall construction |
| 06/10/1998 | EP0846206A1 Adjustable manhole cover support with shield |
| 06/10/1998 | CN2283680Y Inspection well cover |
| 06/10/1998 | CN1184190A Construction method of underground passage and basement |
| 06/10/1998 | CN1184189A Structural blocks for building basement, block manufacturing method, block transporting method, and block installing method |
| 06/09/1998 | US5761858 Permanent form for placing basement concrete wall |
| 06/05/1998 | CA2192115A1 Collar for exterior manhole |
| 06/03/1998 | CN2283085Y Safety device of manhole cover |
| 06/03/1998 | CN2283084Y Cast-iron concrete well cover and base |
| 06/03/1998 | CN2283083Y Egg shape inspection well |
| 05/28/1998 | WO1998022663A1 Flotation system for buildings |
| 05/28/1998 | CA2272472A1 Flotation system for buildings |
| 05/28/1998 | CA2191514A1 Modular wall system |
| 05/27/1998 | CN2282561Y Manhole cover |
| 05/20/1998 | CN2282006Y Anti-theft manhole cover |
| 05/19/1998 | US5752787 Base of a manhole having a canal-bed liner |
| 05/19/1998 | US5752579 Foothold |
| 05/14/1998 | WO1998020207A1 New splitting technique |
| 05/14/1998 | CA2271037A1 New splitting technique |
| 05/13/1998 | CN2281366Y High strength safety manhole cover |
| 05/12/1998 | US5749680 Wire mat connector |
| 05/06/1998 | EP0839964A2 Well cover |
| 05/06/1998 | CN1180773A Manhole cover receiving frame |
| 04/30/1998 | WO1998017866A1 Cellular construction, in particular supporting or sound insulating construction capable of being greened, and process for producing the same |
| 04/28/1998 | US5743673 Watertight sealing system with relief valve for manhole having a spill bucket |
| 04/23/1998 | DE19739573A1 Concrete shaft section |
| 04/23/1998 | DE19643084A1 Zellenbauwerk mit Erd- oder Gesteinsfüllung und Verfahren zu dessen Herstellung Cell structure with earth or rock fill and process for its production |
| 04/23/1998 | DE19642989A1 Flush metal lid for concrete pit |
| 04/22/1998 | CN2279383Y Anti-theft cover for manhole with linkage device |
| 04/21/1998 | US5741339 Vertical wall planter |
| 04/18/1998 | CA2188202A1 Self-adjustable manhole cover support assembly |
| 04/16/1998 | WO1998015693A1 Integrated flexible multi-layer geogrid |
| 04/16/1998 | DE19642176A1 Access shaft in street for sewers etc. |
| 04/15/1998 | CN2278717Y Theft-proof manhole cover |
| 04/08/1998 | EP0833989A1 Wall structure |
| 04/08/1998 | CN2278015Y Self-locking type theft-proof well cover with magnetic force handle |
| 04/07/1998 | US5735643 Retaining wall system |
| 04/07/1998 | US5735082 Chimney access with floating head |
| 04/02/1998 | WO1998013556A1 Method of production of large tank, system using such large tank and submerged tunneling method using the tank |
| 04/02/1998 | DE19641873A1 Lid for manhole e.g. in street |
| 04/01/1998 | EP0833010A1 Cover for underground structures and frame therefor |
| 04/01/1998 | CN1177667A Retaining-wall building method and building materail of retaining wall |
| 03/31/1998 | US5733072 Wirewall with stiffened high wire density face |
| 03/31/1998 | US5732512 Manhole opening structure |
| 03/25/1998 | CN2276946Y Plunger form manhole cover |
| 03/24/1998 | US5730559 Earthen work with wire mesh facing |
| 03/18/1998 | EP0829582A2 Access cover |
| 03/18/1998 | EP0828899A1 A block for the mortarless construction of a wall |
| 03/18/1998 | EP0764229A4 Modular block retaining wall system and method of constructing same |
| 03/18/1998 | CN2276519Y Anti-theft device for manhole cover |
| 03/17/1998 | US5728294 Drain closure apparatus |
| 03/17/1998 | US5727351 Manhole insert and tether and method |
| 03/17/1998 | CA2185595A1 Embankment retaining wall system |
| 03/12/1998 | DE19736740A1 Rung for shaft in sewer, etc. |
| 03/12/1998 | DE19704030A1 Tip proof concrete wall element |
| 03/12/1998 | DE19635648A1 Street or road cover for amenity services |
| 03/12/1998 | DE19634960A1 Building cable shaft with height compensators |
| 03/11/1998 | EP0828030A2 Manhole for extensive roof turfing and/or gravel covering |
| 03/11/1998 | CN1175650A Impervious form layout and adhesive sealing method for post-pouring zone of basement |