| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 03/14/2000 | US6036405 Retaining wall system |
| 03/14/2000 | US6036401 Roadway access device and method of using same |
| 03/14/2000 | US6035599 Corner block system for retaining wall |
| 03/14/2000 | US6035581 Road surface aperture frames and covers |
| 03/09/2000 | DE19840267A1 Roadway drainage shaft frame changer holds frame at spacing via swivel clamps which engage frame automatically as lifting base is raised until swung back into release position. |
| 03/08/2000 | CN2367639Y Anti-theft lock for manhole cover |
| 03/08/2000 | CN1050167C Oblique fastener manhole cover |
| 03/07/2000 | US6032424 Block system |
| 03/07/2000 | US6032421 Structural blocks for building a basement, block manufacturing method, block transporting method, and block installing method |
| 03/02/2000 | WO2000011272A1 Manhole cover assembly with a locking means |
| 03/02/2000 | WO2000011271A1 Method for constructing underground structures |
| 03/01/2000 | EP0982822A1 Distribution station for electricity |
| 03/01/2000 | EP0981674A1 Manhole cover |
| 03/01/2000 | EP0981673A1 Device for stabilising an unstable shoulder in railway and road construction and method for producing the same |
| 03/01/2000 | CN2366453Y Manhole |
| 03/01/2000 | CN2366452Y Theft-proof manhole cover and key therefor |
| 03/01/2000 | CN2366451Y Folding type manhole cover |
| 03/01/2000 | CN2366450Y 窨井盖 Manhole cover |
| 03/01/2000 | CN2366449Y Sticking-in type theft-proof manhole cover |
| 03/01/2000 | CN1245851A Pedal support with reflecting body |
| 02/29/2000 | US6029943 Splitting technique |
| 02/24/2000 | WO2000009828A1 Damp-proof construction and method of basement |
| 02/24/2000 | DE19837695A1 Road tunnel ventilation and smoke vent fireproofly planked crossbars are made up in modules outside tunnel for later erection anchored to tunnel wall or roof |
| 02/23/2000 | EP0980956A2 Foothold provided with reflectors |
| 02/23/2000 | EP0980596A1 Concrete cover frames for anode nets |
| 02/23/2000 | CN2365269Y Earth work grille |
| 02/22/2000 | US6026906 Lid retainer for monitoring well |
| 02/22/2000 | CA2008564C Wall with gravity support structure, building element and method for construction thereof |
| 02/17/2000 | WO2000008266A1 A reinforced earth system and its reinforcing grid |
| 02/17/2000 | WO2000008265A1 Tyre foundation structure |
| 02/17/2000 | WO2000008261A1 Building block |
| 02/17/2000 | CA2339623A1 Tyre foundation structure |
| 02/16/2000 | EP0979926A2 Tunnel excavating process and tunnel excavator |
| 02/15/2000 | US6024517 Retaining wall system |
| 02/15/2000 | US6024516 System for securing a face panel to an earthen formation |
| 02/13/2000 | CA2280113A1 Tunnel excavating process and tunnel excavator |
| 02/12/2000 | CA2256660A1 Foam backed joint seal system |
| 02/12/2000 | CA2244931A1 Road surface aperture frames and covers |
| 02/09/2000 | CN2362905Y Separated safety manhole cover |
| 02/09/2000 | CN2362904Y 安全窨井盖 Security manhole cover |
| 02/09/2000 | CN2362903Y Novel manhole cover |
| 02/08/2000 | US6021606 Lifting mechanism for horizontal hinged doors |
| 02/03/2000 | WO2000005477A1 Multi-purpose barrier |
| 02/03/2000 | WO2000004758A1 Improvements to edging |
| 02/03/2000 | DE19934494A1 Dry-stone walling kit of tongued blocks with rough front makes use of full size half size strap and quarter size blocks having underside pins homing into lower block grooves. |
| 02/03/2000 | DE19834022A1 Opencast or open pit working support wall comprizes module-built wall on standing rails and joined crossways by pressure bars using cylinder or framework module types filled with sand or ballast with backfilled walls. |
| 02/02/2000 | EP0976877A1 Vault construction method, support member and half shell for obtaining the vault |
| 02/02/2000 | CN2361677Y Hinge anti-theft base of manhole cover |
| 02/02/2000 | CN2361676Y High-strength anti-theft cover for manhole |
| 02/02/2000 | CN1243560A Square or rectangular roadwork device comprising support frame and a covering element |
| 02/01/2000 | US6020275 Bonded composite open mesh structural textiles |
| 02/01/2000 | US6019550 Modular block retaining wall construction |
| 02/01/2000 | US6018914 Liner for manhole and a method for lining a manhole |
| 01/27/2000 | WO2000004239A1 Wall, especially for mortar-free stabilisation of bushes, decks, slopes or the like |
| 01/27/2000 | DE19850725C1 Shaft for recovering liquid samples and/or for degasifying, especially for waste material |
| 01/26/2000 | EP0973975A1 Square or rectangular roadwork device comprising a support frame and a covering element |
| 01/26/2000 | CN2360448Y Down-sinking inspection well cover |
| 01/26/2000 | CN2360447Y Manhole and manhole cover lock device |
| 01/26/2000 | CN1048783C Construction method for floorslab supported retaining wall, and equipment therefor |
| 01/25/2000 | CA2192270C Concrete building block |
| 01/20/2000 | WO2000003097A1 Closing device with selective locking |
| 01/20/2000 | DE19918944A1 Manhole cover with height-adjustment system |
| 01/20/2000 | DE19832022A1 Concrete block for landscaping walls and embankments has a rectangular shape with open top and bottom and with outer ridges and grooves to interlock with adjacent blocks |
| 01/20/2000 | DE19831466A1 Brick wall with mortar-free fixing uses push-in dowels inserted between two superposed bricks and having cams to stop against recesses and prevent bricks from shifting |
| 01/19/2000 | CN2359340Y Safety manhole cover on road |
| 01/19/2000 | CN2359339Y Anti-theft manhole cover |
| 01/19/2000 | CN2359338Y Anti-theft manhole cover |
| 01/19/2000 | CN2359337Y Cover for manhole |
| 01/19/2000 | CN2359336Y Organic synthesis drainage well cover |
| 01/19/2000 | CN2359335Y Dual-opened cover device for drain |
| 01/12/2000 | EP0846206A4 Adjustable manhole cover support with shield |
| 01/12/2000 | EP0824609A4 Bonded composite open mesh structural textiles |
| 01/12/2000 | CN2358115Y Man-hole cover with locking device |
| 01/12/2000 | CN2358114Y Steel reinforced concrete cast-iron man-hole cover |
| 01/12/2000 | CN2358113Y Theft-proof manhole cover |
| 01/12/2000 | CN1048306C Method for constructing soft foundation basement protecting structure |
| 01/11/2000 | CA2244348C Block retaining wall with attached facing panels |
| 01/05/2000 | CN2357046Y Cover for manhole |
| 01/05/2000 | CN2357045Y Cover for manhole |
| 01/05/2000 | CN1048064C Glass fibre reinforced plastics manhole cover and its production method |
| 01/05/2000 | CN1048063C Continuous underground wall construction method suitable for cobble layer site |
| 12/29/1999 | WO1999067469A1 Device for heating manhole covers |
| 12/29/1999 | EP0967333A1 Retaining wall |
| 12/29/1999 | EP0967059A1 Process for making base elements for manhole shafts or similar articles |
| 12/29/1999 | EP0966576A1 Shaft cover |
| 12/29/1999 | EP0966574A1 Flotation system for buildings |
| 12/29/1999 | CN2356067Y Anti-shock inspection shaft |
| 12/29/1999 | CN1047832C Fluid circulation pipe and its manufacturing method |
| 12/28/1999 | US6007270 Manhole frame assembly |
| 12/23/1999 | WO1999066142A1 Method of fabricating layered decorative wall |
| 12/23/1999 | WO1999009267A3 Precast concrete elements construction system |
| 12/23/1999 | DE19826693A1 Height adjustable manhole cover |
| 12/23/1999 | DE19825861A1 Surface fitting for drainage shaft |
| 12/22/1999 | CN2355015Y Sealed cover |
| 12/15/1999 | CN2353798Y Lifter for manhole-cover |
| 12/15/1999 | CN2353797Y Antitheft cover for manhole |
| 12/15/1999 | CN2353796Y Combined water retaining wall |
| 12/14/1999 | US6000878 Cover for underground structures |
| 12/08/1999 | CN2352581Y Self-locking by collision type manhole cover having hinge |
| 12/07/1999 | US5997212 Cover for underground structures, body thereof and frame therefor |