| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 07/04/2000 | CA2101284C Retaining wall block |
| 06/30/2000 | CA2291981A1 Drop manhole assembly with gasket surrounding both manhole and fluid conduit |
| 06/29/2000 | DE19859615A1 Shaft entry aid for personnel comprizes holding rod with top grip and positively actuatingly joined to spreader drive below for insert ring expansion onto shaft wall plus rod container sleeve. |
| 06/29/2000 | DE19859614A1 Ladder for shaft entry comprises base element with hooks for claw grips assisted by hook projecting sheets and safety bar with base element angled relative main lower extensible ladder part. |
| 06/29/2000 | DE19835100C1 Construction of shafts for waste water systems in which the glued assembly is reinforced with sprayed fiberglass-filled resin in a batch production process |
| 06/28/2000 | EP1013833A1 Locking device of an access trap to underground building works |
| 06/28/2000 | EP1012406A1 An element for forming ground covering, restraining and reinforcing structures, particularly for forming retaining walls |
| 06/28/2000 | EP0851955B1 Method for raising a fixed frame for manhole covers |
| 06/28/2000 | CN2384992Y Suspended manhole cover |
| 06/28/2000 | CN2384991Y Ultrastrength steel fibre concrete composite manhole cover, seat and manhole grate |
| 06/28/2000 | CN1257781A Resin web, its producing method, and drawn products of polyvinyl resin |
| 06/27/2000 | US6079909 System and method for widening a highway and supporting a sound wall |
| 06/27/2000 | US6079908 Stabilizing elements for mechanically stabilized earthen structure and mechanically stabilized earthen structure |
| 06/27/2000 | US6079907 Reinforcements and a reinforcement system for stabilized earth |
| 06/14/2000 | CN2382756Y Puzzle type anti-theft manhole cover |
| 06/13/2000 | US6074132 Lining for a landfill site |
| 06/13/2000 | US6074130 Inside drop system for manholes |
| 06/13/2000 | CA2052962C Manhole cover frames or the like |
| 06/07/2000 | CN2381673Y Lock for manhole cover |
| 06/07/2000 | CN2381672Y Whisker modified composite material manhole cover |
| 06/06/2000 | US6071044 Modular landscaping structure |
| 06/02/2000 | WO2000031350A1 Support wall system |
| 06/02/2000 | WO2000031349A1 Movable self-elevating artifical work island with modular hull |
| 05/31/2000 | EP1004709A1 Manhole cover with plastic corners |
| 05/31/2000 | EP1004708A1 Articulation system for access manholes to construction works |
| 05/31/2000 | CN2380614Y Anti-theft cover for manhole |
| 05/31/2000 | CN2380613Y Anti-theft cover for manhole |
| 05/31/2000 | CN2380612Y Cover for manhole |
| 05/31/2000 | CN2380611Y Apparatus special for construction of underground continuous wall jointing |
| 05/31/2000 | CN1255177A Damming device for erecting liquid-damming protective bank |
| 05/25/2000 | DE19854134A1 Schachtabdeckung mit Ecken aus Kunststoff Manhole cover with plastic corners |
| 05/24/2000 | EP1002911A2 Modular concrete building system |
| 05/24/2000 | CN2379524Y Man hole cover having locking means |
| 05/24/2000 | CN2379523Y Man hole cover made of steel fiber reinforced composite material |
| 05/23/2000 | CA2004749C Apparatus and method for improved pipe to manhole sealing |
| 05/20/2000 | CA2289798A1 Modular concrete building system |
| 05/18/2000 | DE19852985A1 Arrangement for inspecting hollow vol., especially building structures, acquires data with sensors next to optical acquisition arrangement, processes data and transmits to remote display |
| 05/17/2000 | EP1000201A1 A frame for a manhole cover |
| 05/17/2000 | CN2378440Y Sealed manhole cover adapted to underground pump house at low-lying shoaly land district |
| 05/17/2000 | CN2378439Y Antitheft cover for manhole |
| 05/16/2000 | US6062772 Plastic block retaining wall with attached keylock facing panels |
| 05/11/2000 | WO2000026481A1 A safety device for a well |
| 05/11/2000 | DE19851765A1 Building material, useful for traffic surface layers, dam and-or embankment cores or building foundations, consists of ground recycled brick mixed with lime |
| 05/11/2000 | DE19811638C2 Vorrichtung zum Fräsen oder Bohren Apparatus for milling or drilling |
| 05/10/2000 | EP0999311A1 Manhole cover for dust tight closure of manholes, in particular for wells |
| 05/10/2000 | EP0999037A2 Resin net and its production method, and drawn product of polyethylene based resin |
| 05/10/2000 | EP0998987A1 Shaft for landfills |
| 05/10/2000 | EP0760885B1 Contraction joint rail |
| 05/10/2000 | CN2377297Y Theftproof safety cover for sewage or water supply manhole shaft |
| 05/10/2000 | CN2377286Y Si-Mg concrete manhole cover |
| 05/04/2000 | WO2000025059A1 Storage installation for liquified gases |
| 05/04/2000 | DE19947738A1 Shaft for subterranean access, venting and sampling of waste tips |
| 05/04/2000 | DE19931231A1 Structured module for the construction of a cellar/basement has prefabricated upper and lower blocks of reinforced concrete to be fitted together with a seal between them |
| 05/03/2000 | CN2376501Y Warm-keeping menhole cover |
| 05/03/2000 | CN1251872A Method for quickly constructing supporter structure of underground foundation pit in narrow environment |
| 05/02/2000 | US6056479 Bonded composite open mesh structural textiles |
| 04/27/2000 | WO2000023661A1 Manhole cover |
| 04/27/2000 | DE19848168A1 Release coupling for a drain shaft at a frame has a cylindrical mantle with a vertical gap between the mantle ends to be clamped together and spread apart to take a sleeve with an inserted connector from above |
| 04/26/2000 | CN2375672Y Anti-theft device for manhole cover |
| 04/26/2000 | CN2375671Y Manhole cover made of polymerized composite material |
| 04/25/2000 | CA2061844C Water lock method and apparatus |
| 04/20/2000 | WO2000022243A1 Retaining wall block |
| 04/20/2000 | WO2000022242A1 Soil construction anchored in the soil having a steep front and method for producing said soil construction |
| 04/20/2000 | WO2000022241A1 Retaining wall blocks |
| 04/20/2000 | DE19847862A1 Shaft cover esp. for manhole |
| 04/20/2000 | DE19841961A1 Excavation method for pipe laying, comprises filling one container with earth from workface whilst transporting second container filled earth away from workface via pipeline |
| 04/19/2000 | CN2374579Y Stone inspection shaft cover |
| 04/18/2000 | US6050749 Concrete masonry unit for reinforced retaining wall |
| 04/18/2000 | US6050748 Stabilizing elements for mechanically stabilized earthen structure |
| 04/18/2000 | US6050746 Underground reinforced soil/metal structures |
| 04/18/2000 | US6050255 Splitter blade assembly and station |
| 04/18/2000 | US6050050 Form in-place submersible pump containment |
| 04/13/2000 | WO2000020695A1 Concrete masonry unit for reinforced retaining wall |
| 04/13/2000 | DE19907438A1 Forming cavities for e.g. manhole covers in road surface, using two interlocking height adjustable hollow cylinders for supporting temporary cover during road surface laying |
| 04/12/2000 | EP0991822A1 A well cover lifting tool |
| 04/12/2000 | CN2373489Y Lifting gland for pipe line box |
| 04/11/2000 | US6048139 Arrangement for shoreline construction, maintenance, and protection, and methods for making and using the same |
| 04/11/2000 | US6048138 Concealed crash wall in combination with mechanically stabilized earth construction |
| 04/09/2000 | CA2249889A1 Retaining wall blocks |
| 04/06/2000 | WO2000018992A1 Geotextile fabric |
| 04/05/2000 | EP0990075A1 Retaining wall system |
| 04/05/2000 | EP0990073A1 Damming device for erecting a liquid-damming protective bank |
| 04/05/2000 | CN2372371Y Steel edge mixed fiber concrete manhole cover |
| 04/05/2000 | CN2372370Y Theft-proof manhole cover |
| 04/04/2000 | US6044591 Drain and inspection manhole for liquid conduits and manhole section therefor |
| 04/04/2000 | US6044590 Liquid infiltration prevention structures for preventing liquid infiltration manhole assemblies |
| 03/30/2000 | WO2000017457A1 A method and structure to alleviate the effect of frost heave around manholes |
| 03/30/2000 | WO2000017456A1 Tubular structure |
| 03/30/2000 | WO2000017455A1 Retaining wall system |
| 03/30/2000 | CA2344225A1 Tubular structure |
| 03/30/2000 | CA2309649A1 A method and structure to alleviate the effect of frost heave around manholes |
| 03/29/2000 | CN2371237Y Concrete manhole cover |
| 03/23/2000 | DE19842348A1 Frame for manhole cover has dirt bucket pockets and facing recess walls with apertures for effective flushing-out of incoming dort |
| 03/22/2000 | CN2370068Y Anti-theft inspection well cover |
| 03/16/2000 | WO2000014340A1 Drainage conduit with collapsible cover or grid |
| 03/16/2000 | WO2000014339A1 Method of constructing a wall element |
| 03/15/2000 | EP0985770A1 Manhole assembly for covering a well |
| 03/15/2000 | EP0985258A1 Flat pack box |
| 03/15/2000 | CN2368894Y Anti-stealing manhole cover |
| 03/15/2000 | CN1247256A Compound building blocks |