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