| Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097) |
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| 05/12/2010 | CN201460903U Observation window device applied on shield machine |
| 05/12/2010 | CN201460902U Space enclosing structure favorable for doorway opening |
| 05/12/2010 | CN1888392B Method for setting up sleeper separately for truck jumbo and electric locomotive |
| 05/12/2010 | CN1646788B Oscillating disc cutter with speed controlling bearings |
| 05/12/2010 | CN101705827A Muddy water and air balance shield pressure control method and device |
| 05/12/2010 | CN101705826A Front shield stable shoe hydraulic system of shield machine |
| 05/12/2010 | CN101705825A Transport method and equipment in super-large diameter shield method tunnel construction |
| 05/06/2010 | WO2009158619A3 Worksite avoidance system |
| 05/06/2010 | DE102007014104B4 Verfahren zum Aufweiten eines Tunnels und Vorrichtung zum Durchführen des Verfahrens A method for widening a tunnel, and device for carrying out the method |
| 05/05/2010 | CN201448113U Subway communication passage positive and negative arc-shaped movable grid extrusion water-washed type roof pipe tunneling machine |
| 05/05/2010 | CN1584290B Shielding three-dimensional gesturing precisioning monitoring systems |
| 05/05/2010 | CN101701523A Grating type trenchless prop excavating equipment and trenchless prop method tunnel excavating process |
| 05/04/2010 | US7709422 Method and composition for injection at a tunnel boring machine |
| 04/29/2010 | WO2009155110A3 Apparatus and method for monitoring tunnel boring efficiency |
| 04/28/2010 | EP2179136A1 Semiconductor factory |
| 04/28/2010 | CN201443406U Multifunctional drilling machine for rock tunnel project |
| 04/28/2010 | CN201443405U Rotary drilling tool for shield machine |
| 04/28/2010 | CN101699030A Big underground chamber tunneling method |
| 04/27/2010 | CA2470449C Method for making a sealed tubular joint with plastic expansion |
| 04/22/2010 | US20100098496 Tunnel multi gallery |
| 04/21/2010 | CN101696633A Construction method and equipment for cutting deep-buried structure with small-caliber drill tool |
| 04/21/2010 | CN101696632A Heading machine and auxiliary device thereof |
| 04/20/2010 | US7699361 Sealed tubular joint with plastic expansion and at least one inclined surface |
| 04/15/2010 | DE102008041982A1 Anbaufrässystem mit Schneidköpfen und Fräskette Anbaufrässystem with cutting heads and cutter chain |
| 04/14/2010 | CN201437730U Dual locking evacuation platform |
| 04/14/2010 | CN201437729U Cross-shaped intersection for comprehensive pipe canals |
| 04/08/2010 | US20100086359 Method of directing drilling pattern in curved tunnels, rock drilling rig, and software product |
| 04/07/2010 | CN201436372U Shading section structure for tunnel |
| 04/07/2010 | CN201436371U A shield tail brush for a shield machine |
| 04/07/2010 | CN101303815B Digging guiding device of model shielding machine |
| 04/06/2010 | CA2679281C Underwater suspended tunnel |
| 04/01/2010 | US20100078215 Designing drilling pattern for excavating rock cavern |
| 03/31/2010 | CN201433775Y Center cutter shaft of open tunnel boring machine |
| 03/31/2010 | CN201433774Y Center cutter ring of open tunnel boring machine |
| 03/31/2010 | CN201433773Y Trapezoidal surface detection device for center cutter support leg of open tunnel boring machine |
| 03/31/2010 | CN201433772Y Axial fixation device for center cutter of open tunnel boring machine |
| 03/31/2010 | CN201433771Y Center cutter cover of open tunnel boring machine |
| 03/31/2010 | CN101684731A Measuring method of tunnel shield posture |
| 03/30/2010 | US7686542 Method of protecting a surface of rock or soil |
| 03/24/2010 | CN201428460Y Multifunctional assembled hydraulically-driven moving trestle |
| 03/24/2010 | CN201428459Y Shield thrust hydraulic system adopting pressure-velocity hybrid control |
| 03/24/2010 | CN201428458Y Sudden-change load fast response hydraulic control aligning mechanism for shield thrust system |
| 03/18/2010 | WO2010028953A1 Attachment cutting system having cutting heads and a cutter chain |
| 03/18/2010 | WO2010007305A3 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste |
| 03/17/2010 | CN201424940Y Mud cake prevention device for slurry shield machine |
| 03/17/2010 | CN101672188A Lining heat system used at tunnel portal |
| 03/17/2010 | CN101672184A Rice character type structure arrangement method of hobs of full section rock digging machine |
| 03/17/2010 | CN101672183A Long-distance shield propelling method under structure with three closed structure |
| 03/17/2010 | CN101672182A Method for leading shield to pass through underground structure |
| 03/17/2010 | CN101672181A Controllable cement backfilling grouting method |
| 03/10/2010 | EP2160504A1 Tunnel multi gallery |
| 03/10/2010 | CN101666233A Turning-over working method of shield machine barrel |
| 03/10/2010 | CN101666232A Construction method of six-zone digging of super cross section tunnel |
| 03/10/2010 | CN101666231A Shield machine warehouse entry method |
| 03/03/2010 | CN201416448Y Underground building shaft enclosing structure |
| 03/03/2010 | CN101663464A Method of directing drilling pattern in curved tunnels, rock drilling rig, and software product |
| 03/03/2010 | CN101663463A Method of modifying drilling pattern, rock drilling rig, and software product |
| 03/03/2010 | CN101660420A Deceleration and antiskid marked line suitable for entrance and exit sections of tunnel |
| 03/03/2010 | CN101660419A Construction method for putting tunnel shield into hole in special stratum |
| 03/03/2010 | CN101660418A Box culvert jack-in replacement rectangular pipe support method used for tunnel construction |
| 02/25/2010 | US20100044107 Designing drilling pattern for excavating rock cavern |
| 02/24/2010 | CN201412161Y Composite material evacuation platform |
| 02/24/2010 | CN201412160Y Single-cave and double-line subway tunnel |
| 02/24/2010 | CN201412159Y Multifunctional vision buffer bent frame system of road tunnel passageway |
| 02/24/2010 | CN100591891C Main pipe construction method for laying tunnel structure and construction structure therof |
| 02/23/2010 | US7665930 Hydraulically powered door and systems for operating same in low-temperature environments |
| 02/17/2010 | CN201407049Y Energy-saving shield cutterhead closed-loop hydraulic control system adopting grouped energy accumulator |
| 02/17/2010 | CN201407048Y Screw conveyer blowout prevention gate device |
| 02/17/2010 | CN201407047Y Shield tunneling machine shield cutter head mechanism |
| 02/17/2010 | CN201407046Y Wear-resistant center muddler of shield tunneling machine shield cutter head mechanism |
| 02/17/2010 | CN201407045Y Center muddler of shield tunneling machine shield cutter head mechanism |
| 02/17/2010 | CN201407044Y Seal retaining ring of shield tunneling machine shield cutter head mechanism |
| 02/17/2010 | CN201407043Y Force-transmitting ring of shield tunneling machine shield cutter head mechanism |
| 02/17/2010 | CN201407042Y Engine compartment of shield tunneling machine shield cutter head mechanism |
| 02/17/2010 | CN101649743A Adjustable propulsion mechanism for soil pressure balance type shield |
| 02/16/2010 | CA2468886C Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence |
| 02/10/2010 | CN201401176Y Safe evacuation platform used for a subway tunnel |
| 02/09/2010 | US7658244 Device for advancing drillings in the ground |
| 02/04/2010 | US20100028084 Door arrangement for a tunneling machine |
| 02/04/2010 | US20100025108 Method for drilling rock |
| 02/04/2010 | CA2674157A1 Door arrangement for a tunneling machine |
| 02/03/2010 | CN201396066Y Reverse direction hole-guiding machine for PBA border pile construction |
| 01/28/2010 | CA2673729A1 Reinforced mine ventilation device |
| 01/27/2010 | CN100585124C Shield machine cutting system with knife disc tool cutting and slag-discharging condition monitoring device |
| 01/26/2010 | US7651170 Bore head for microbore operation |
| 01/21/2010 | WO2010007305A2 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste |
| 01/20/2010 | CN201386564Y Disc hob with bearing lubrication and pressure balancing device |
| 01/20/2010 | CN101629488A Shield machine cutter |
| 01/14/2010 | WO2010003214A1 Method of reducing stress on tunnel rock face under heavy overburden conditions |
| 01/14/2010 | WO2010003213A1 Modification to a tbm structure to provide roof support installation |
| 01/14/2010 | CA2774492A1 Modification to a tbm structure to provide roof support installation |
| 01/13/2010 | CN201381860Y Pedal for evacuation platform in subways |
| 01/13/2010 | CN201381859Y Polygonal tube push bench with breaking function |
| 01/13/2010 | CN101624909A Method for excavating tunnels with small separation distance under condition with shallow embedding, deflection pressing and slab staggering |
| 01/13/2010 | CN100580222C Development machine for crushing existing concrete conduit |
| 01/13/2010 | CN100580221C Construction method for shallow soil-covered river bed under shield tunnel |
| 01/13/2010 | CN100580220C Shield construction method for three-line parallel under-passing trunk railway tunnel |
| 01/05/2010 | CA2406494C Road works shield and gantry |
| 12/30/2009 | WO2009158619A2 Worksite avoidance system |
| 12/30/2009 | EP2137377A1 Method of directing drilling pattern in curved tunnels, rock drilling rig, and software product |