| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 07/24/1996 | EP0722523A1 Low elevation wall construction |
| 07/23/1996 | US5538755 Process for rehabilitation of sewer collection system structures |
| 07/23/1996 | US5538363 Retaining wall structure |
| 07/23/1996 | US5537796 Retaining wall block and system |
| 07/23/1996 | US5537788 System and method for widening a highway and supporting a sound wall |
| 07/18/1996 | WO1996021774A1 Wall structure |
| 07/17/1996 | CN2231276Y Anti-theft device for drainage well cover on road |
| 07/17/1996 | CN1126786A Hidden construction process of large underground engineering with flat roof and vertical walls |
| 07/16/1996 | US5536113 Precast concrete wingwall |
| 07/16/1996 | US5536110 Transition collar and spacing device for use in road construction |
| 07/16/1996 | US5535568 Self indexing landscape module |
| 07/10/1996 | EP0720680A1 Improvements in and relating to manhole cover frames |
| 07/09/1996 | US5534214 Coating concrete with polyoxyethylene glycol layer containing pigment, allowing pigment to penetrate concrete |
| 07/09/1996 | US5533839 Wall surface structure of reinforced earth structure |
| 07/09/1996 | US5533837 Anchor for retaining wall formed of superimposed concrete blocks |
| 07/09/1996 | US5533641 Locking cover assembly |
| 07/04/1996 | DE4447108A1 Colour marking for covers of service shafts |
| 07/04/1996 | DE4446030A1 Combination seal for landfill sites with steep boundaries |
| 07/04/1996 | DE19542771A1 Method for releasing and lifting manhole frames from asphalted surfaces |
| 07/03/1996 | EP0719822A1 A bentonite composition extrusile as a flexible strip-like or sheet-like waterproofing product |
| 07/03/1996 | CN1125968A Earth structures |
| 07/03/1996 | CN1125800A Vibration technology for trench cutting and forming diaphragm wall and its special equipment |
| 07/02/1996 | US5531547 Earth retaining revetment |
| 07/02/1996 | US5531541 Manhole cover lifting apparatus |
| 07/02/1996 | US5531485 Method for sealing a pipe juncture |
| 07/02/1996 | US5531455 Expansion joint sealing element |
| 07/01/1996 | CA2164171A1 Bentonite composition extrusile as a flexible strip-like or sheet-like waterproofing product |
| 06/25/1996 | US5529431 Temporary manhole cover and method |
| 06/25/1996 | US5528873 Block for construction retaining wall |
| 06/21/1996 | CA2165253A1 Cast concrete block and method of making same |
| 06/19/1996 | EP0717151A1 A flexible joint for culvert |
| 06/19/1996 | EP0717150A1 Block for a retaining wall of leaning type, retaining wall constructed with blocks therefor, and methods for the preparation and construction thereof |
| 06/19/1996 | CN2229472Y Anti-theft cover for manhole |
| 06/19/1996 | CN1124807A Force transfer key structure for basement construction of tall building and construction method |
| 06/19/1996 | CN1124806A Wall surface structure of reinforced earth structure |
| 06/13/1996 | CA2241785A1 A flexible joint for a culvert |
| 06/12/1996 | EP0716189A1 A cut-off water process for a concrete underground structure |
| 06/12/1996 | CN2228929Y Theft-proof manhole cover |
| 06/12/1996 | CN2228928Y Safety cover system for underground pipeline manhole |
| 06/12/1996 | CN2228927Y Theft-proof lock and key for sewage manhole cover |
| 06/11/1996 | US5525014 Horizontally-yielding earth stabilizing structure |
| 06/11/1996 | US5525006 Flush mount well protector |
| 06/06/1996 | WO1996017133A1 Reinforced soil structure |
| 06/05/1996 | EP0715028A1 Road gully/inspection cover assembly |
| 06/04/1996 | US5522682 Modular wall block system and grid connection device for use therewith |
| 06/04/1996 | US5522676 Undercut excavation method |
| 06/04/1996 | US5522646 Apparatus for cutting free manhole casings in coatings |
| 06/04/1996 | CA2074793C Manhole head assembly, manhole top ring having an adjustable upper part and method of use of said manhole top ring |
| 05/30/1996 | DE4442273A1 Sewerage separation tank embedded in earth |
| 05/23/1996 | WO1996015325A1 Stormwater inlet pit lid |
| 05/23/1996 | DE4440787A1 Prefabricated support for use on weak or unstable ground |
| 05/22/1996 | CN2227678Y Theft manhole cover |
| 05/15/1996 | CN2227149Y Anti-theft safety manhole cover |
| 05/15/1996 | CN2227148Y Anti-theft cover for sewer monhole |
| 05/15/1996 | CN2227147Y Three-dimension anti-theft manhole cover with high-intensity multi-check |
| 05/15/1996 | CN1122396A Locking and closed manhole cover of glass fibre reinforced plastic |
| 05/08/1996 | EP0683841A4 Lined manhole assembly and liner. |
| 05/07/1996 | US5513926 Manhole head assembly |
| 05/02/1996 | DE4438352A1 Additional sealing for unsealed tubbing lining |
| 05/01/1996 | EP0428563B1 Set of angular building elements fitting into one another |
| 05/01/1996 | CN2226083Y Well cover of glass fibre reinforced plastics |
| 04/30/1996 | US5511910 Connector and method for engaging soil-reinforcing grid and earth retaining wall |
| 04/30/1996 | US5511902 Instant levy block system |
| 04/30/1996 | US5511898 Moveable manhole cover |
| 04/30/1996 | US5511897 Method of sealing a manhole riser and a catch basin and apparatus for same |
| 04/30/1996 | CA1338281C Tunnel construction apparatus and method |
| 04/30/1996 | CA1338280C Wall and block therefor |
| 04/25/1996 | DE4436532A1 Concrete shaft compensation ring |
| 04/24/1996 | EP0708208A1 Element for a planted retaining wall and retaining wall made of such elements |
| 04/24/1996 | CN2225492Y Anti-theft manhole cover without lock |
| 04/24/1996 | CN2225491Y Concrete sewege manhole cover |
| 04/23/1996 | CA2050833C Manhole grade adjusting ring and method |
| 04/18/1996 | DE4436768A1 Underground storage room for sensitive goods |
| 04/17/1996 | EP0707117A1 Modular block retaining wall construction and components |
| 04/17/1996 | CN2224862Y Heavy manhole cover of enhanced fiber motar-cement mixtures |
| 04/16/1996 | US5507600 Reflecting body having high luminance |
| 04/16/1996 | US5507599 Modular block retaining wall construction and components |
| 04/16/1996 | US5507590 Cover assembly for manholes and the like |
| 04/12/1996 | CA2160211A1 Manhole |
| 04/12/1996 | CA2160210A1 Moveable manhole cover |
| 04/11/1996 | DE4435498A1 Frame for supporting round manhole covers |
| 04/10/1996 | EP0705942A1 Gully and its construction elements |
| 04/10/1996 | EP0705370A1 Earth structures |
| 04/10/1996 | EP0557496B1 Assembly and method for producing landscaping supports |
| 04/10/1996 | CN2224224Y Reinforced concrete manhole cover or gridiron for sewage mouth |
| 04/10/1996 | CN2224223Y Anti-theft manhole cover |
| 04/09/1996 | US5505563 Cellular structures for sustaining walls |
| 04/09/1996 | US5505034 Retaining wall block |
| 04/03/1996 | CN1119690A Reinforced concrete post containing steel pipe high-strength column for basement building and construction method |
| 03/28/1996 | DE4434527A1 Underwater tunnel units for temporary water crossing |
| 03/28/1996 | DE3690048C2 Self-locking manhole cover |
| 03/27/1996 | EP0703184A1 Shaft ring gripper |
| 03/27/1996 | EP0703049A2 Decorative mold for forming concrete surface with uneven pattern and process for its manufacture |
| 03/27/1996 | EP0702656A1 Method for setting in operation an underground storage cavity for low temperature hydrocarbons and plant for storing low temperature hydrocarbons |
| 03/27/1996 | CN2223308Y Universal anti theft gully cover |
| 03/27/1996 | CN2223307Y Potential difference type self-locking cover for manhole |
| 03/21/1996 | DE19535850A1 Faltbare vielzellige Struktur Foldable multicellular structure |
| 03/21/1996 | CA2158119A1 Decorative mold for forming concrete surface with uneven pattern |
| 03/20/1996 | CN2222741Y Non-separated theft-proof manhole cover |
| 03/20/1996 | CN2222740Y Theft-proof manhole frame and cover |