| Patents for E02D 29 - Underground or underwater structures; Retaining walls (15,197) |
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| 05/24/2007 | WO2007059454A2 Modular block structures |
| 05/24/2007 | WO2007056855A1 Apparatus and method for conducting remote video inspection from above |
| 05/24/2007 | US20070116518 Self-sealing internal manhole chimney seal |
| 05/24/2007 | US20070113982 Large surface area geogrids with a high tensile strength, a method and apparatus for producing them, and their use as drain and reinforcement grids and as fences |
| 05/24/2007 | DE202007003515U1 Gabionenkorb mit schallisolierenden Eigenschaften Gabion basket with sound insulating properties |
| 05/24/2007 | DE102005038710A1 Schachtrahmen mit Aufnahme für Einstiegshilfe Manhole frame with mounting for easy entry |
| 05/24/2007 | CA2629939A1 Apparatus and method for conducting remote video inspection from above |
| 05/23/2007 | EP1788158A1 Segmental retaining wall system |
| 05/23/2007 | EP1534898B1 Geogrid or mesh structure |
| 05/23/2007 | CN2903186Y Antitheft tripping proof natural controlling manhole cover seat apparatus |
| 05/23/2007 | CN2903185Y Assembling type precast manhole |
| 05/23/2007 | CN2903184Y Self fastening steel reinforced concrete precast block soil resisting wall |
| 05/23/2007 | CN1969094A Covered plastic lock |
| 05/23/2007 | CN1966871A Antitheft lock for use in well cover |
| 05/23/2007 | CN1966870A Tap water manhole cover |
| 05/23/2007 | CN1317459C Marine road bed structure with horizontal barrels |
| 05/18/2007 | WO2007053895A1 Structural cavity |
| 05/16/2007 | EP1785262A1 Geonet for a geocomposite |
| 05/16/2007 | CN2900716Y Anti-theft manhole cover de-locking device |
| 05/16/2007 | CN1963055A Breathing thermal-insulating device for vent shaft |
| 05/15/2007 | US7216459 Access hatch cover assembly with lift-assist assembly and method therefor |
| 05/15/2007 | CA2272974C Methods and apparatus for covering openings in roadways |
| 05/10/2007 | WO2007020618A3 A composite material structure and method for making same |
| 05/10/2007 | DE102005052905A1 Hoisting device has retaining device which consists of two supports, which can be inserted for transport of hoisting device into an opening of the housing of wagon and supports for lifting cover are fixed to wagon |
| 05/09/2007 | CN2898110Y Safety alarming protector at pit opening |
| 05/09/2007 | CN1961122A A reinforced soil retaining wall system and method of construction |
| 05/09/2007 | CN1961121A Stepped chain with sealed bulkheads for offshore platform |
| 05/09/2007 | CN1958971A Handy and safe theftproof well covers |
| 05/09/2007 | CN1958970A Flexible curtain wall, and aero amphibious preparation, method for continuous laying it in unlimited water area |
| 05/09/2007 | CN1958966A Underground consecutive sinking well type openweb wall body, and construction method |
| 05/07/2007 | CA2541558A1 Structural wall apparatuses, systems, and methods |
| 05/07/2007 | CA2541557A1 Structural wall apparatuses, systems, and methods |
| 05/03/2007 | WO2007049773A1 Retaining wall block |
| 05/03/2007 | WO2007048500A1 System for an earthwork |
| 05/03/2007 | US20070095608 Insulating cover |
| 05/03/2007 | DE102005052084A1 System für ein Erdbauwerk System for an earth structure |
| 05/02/2007 | EP1102903B1 Tyre foundation structure |
| 05/02/2007 | CN2895530Y Anti-theft well lid of steel-fiber concrete composite material |
| 05/01/2007 | CA2426141C Manhole cover/frame exchange method |
| 04/26/2007 | WO2007047730A1 Curb box cover assembly |
| 04/26/2007 | WO2007046570A1 Supporting member, retaining wall structure having the same and building method thereof |
| 04/26/2007 | WO2007045340A1 Retaining wall |
| 04/26/2007 | DE202007000792U1 Befüllbarer Gitterkörper insbesondere als Steinsäule Fillable mesh body especially as stone column |
| 04/26/2007 | CA2626714A1 Retaining wall |
| 04/26/2007 | CA2626577A1 Curb box cover assembly |
| 04/25/2007 | EP1777350A1 Gabion for building a dyke |
| 04/25/2007 | EP1776507A1 Method for producing an infrastructure channel |
| 04/25/2007 | CN2893088Y Multipoint manhole cover antitheft lock |
| 04/25/2007 | CN2892980Y Manhole cover for limit sports ground |
| 04/25/2007 | CN2892979Y Antitheft manhole cover |
| 04/25/2007 | CN2892978Y Double-axle hinging antitheft manhole cover |
| 04/25/2007 | CN2892977Y Composite antitheft manhole cover |
| 04/25/2007 | CN2892976Y Antitheft manhole cover apparatus adapted to rebuild existing manhole cover |
| 04/25/2007 | CN2892975Y Antitheft manhole and manhole cover antitheft lock thereof |
| 04/25/2007 | CN2892974Y Cover for pipe duct material input port |
| 04/25/2007 | CN2892973Y Strong rammer replacement parapet structure |
| 04/24/2007 | US7208112 Concrete block and method of making same |
| 04/19/2007 | WO2007043747A1 A manhole with locking device |
| 04/19/2007 | DE202007001068U1 Betonformkörper Concrete moldings |
| 04/18/2007 | EP1775388A2 Method for making a concrete wall using gabions |
| 04/18/2007 | CN2890247Y Jack-up type well cover for well type multi-deck three-dimensional parking installation |
| 04/18/2007 | CN2890179Y Compression-resistance and antibreakage rubber tyre well cover |
| 04/18/2007 | CN1310845C Cast stone manhole cover and its preparation method |
| 04/12/2007 | US20070081857 Four parts manhole enabling an easy install and height adjustment |
| 04/12/2007 | US20070081856 Method and apparatus for locking a manhole cover |
| 04/12/2007 | DE10356168B4 Kanaldeckel mit Aushebesicherung Manhole cover with lift-out |
| 04/12/2007 | DE10111244B4 Verfahren zur Herstellung eines Kanalbauteils aus Gusseisen A process for preparing a channel member made of cast iron |
| 04/11/2007 | EP1071853B1 Retaining wall block system |
| 04/11/2007 | CN2887962Y 防噪音井盖 Noise covers |
| 04/11/2007 | CN2887961Y Interlocked anti-skid breast wall |
| 04/11/2007 | CN1946906A Veneers for walls, retaining walls and the like |
| 04/11/2007 | CN1944804A Large full hydraulic pipe drawing machine |
| 04/10/2007 | US7201534 Apparatus and method to secure manhole accessways |
| 04/10/2007 | US7201533 Sewer grate locking mechanism and method of installing same |
| 04/10/2007 | US7201532 Method and device for adjusting height of manhole |
| 04/05/2007 | WO2007037574A1 Supporting member, retaining wall structure having the same and building method thereof |
| 04/05/2007 | WO2006138603A3 Fine-grained fill reinforcing apparatus and method |
| 04/04/2007 | EP1770220A2 Wall block system |
| 04/04/2007 | EP1769125A1 Device for locking a cover of a manhole top, and manhole top |
| 04/04/2007 | CN2886010Y Moisture-resistance manhole cover lock |
| 04/04/2007 | CN2885938Y Landscaping well cover with grass thereon |
| 04/03/2007 | US7198435 Continuous chamber environment resistant retaining wall block and methods of use thereof |
| 04/03/2007 | CA2412960C Slurry wall cutting device and suspension slide for it |
| 03/29/2007 | WO2007012758A3 Device for articulating a stopper or lid to a frame in particular of a man hole |
| 03/29/2007 | WO2006007518A3 Temporary ground-level member and method for positioning below-ground structures |
| 03/28/2007 | EP1480801B1 Method for producing a manhole ring and upper sleeve for producing said manhole ring |
| 03/28/2007 | CN2883495Y Combined coded antitheft inspection shaft cover |
| 03/28/2007 | CN2883494Y Rotary-opening antitheft well cover and special opening tool |
| 03/28/2007 | CN2883493Y Height adjustable thin-shell filling inspection shaft cover |
| 03/28/2007 | CN2883492Y Antitheft device of manhole cover |
| 03/28/2007 | CN1938483A Block for retaining wall and step-like stacking method for the same |
| 03/28/2007 | CN1938134A Method of making wall block |
| 03/28/2007 | CN1936201A Self-locking type anti-theft man-hole cover |
| 03/28/2007 | CN1936200A Glass-fiber reinforced thermo-setting resin inspection manhole cover |
| 03/28/2007 | CN1936199A Bomb-shelter reinforcing construction process |
| 03/28/2007 | CN1307349C Manhole constructing method and device |
| 03/28/2007 | CN1307348C Construction method for underground structure through half reverse course of action of inverting connection |
| 03/22/2007 | US20070062149 Masonry block and method of making same |
| 03/22/2007 | US20070062125 Underground structure cover |
| 03/21/2007 | CN2880926Y Antitheft manhole cover |