| 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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| 04/08/2008 | CA2341402C Mounting and switching of survey apparatus |
| 04/02/2008 | EP1904716A1 Underground construction of a pipeline |
| 04/02/2008 | CN101153542A Non-contact type exploding propulsion working method for shaped pipe |
| 04/01/2008 | US7350874 Method and device for extracting extraction products in underground mining |
| 03/27/2008 | WO2008034415A1 Mobile enclosure comprising advancing units |
| 03/27/2008 | WO2008034155A1 Full-cut heading machine |
| 03/27/2008 | DE102004033797B4 Gestaltung von Arbeitsvorrichtungen und Fahrwegen zur Andienung und Umfahrung von Funktionsbereichen in Tunneln Design of work systems and roadways to tender and avoidance of functional areas in tunnels |
| 03/26/2008 | CN201041044Y Heat-insulating layer for perennial frozen earth tunnel |
| 03/26/2008 | CN101148989A Tunnel shield digging machine local and remote monitoring method |
| 03/26/2008 | CN101148988A Pressed railway traffic in-and-out section line tunnel shield propulsive construction method in built tunnel |
| 03/26/2008 | CN101148987A Method for employing whole dark digging method to construct underground station transferring point |
| 03/19/2008 | CN101144385A Shield machine cutting system with knife disc tool cutting and slag-discharging condition monitoring device |
| 03/19/2008 | CN101144384A Tunnel engineering non-blasting weak disturbance excavating method |
| 03/13/2008 | WO2008029000A1 Method for drilling rock |
| 03/12/2008 | EP1896691A1 Arrangement for positioning rock drilling rig on drilling site |
| 03/12/2008 | EP1896684A1 Arrangement for positioning drilling unit |
| 03/06/2008 | DE102006040881A1 Vorrichtung zum Abtragen von Gestein und anderen Materialien Apparatus for removing rocks and other materials |
| 03/05/2008 | EP1727964B1 Advancement of pipe elements in the ground |
| 03/05/2008 | CN201031704Y Tunnel wireless laser setting-out work device |
| 02/27/2008 | CN101131090A Construction method for shallow soil-covered river bed under shield tunnel |
| 02/26/2008 | CA2340506C Method and system for mining hydrocarbon-containing materials |
| 02/20/2008 | CN101126319A Shield tunnel lateral cross-over pile base construction method |
| 02/20/2008 | CN101126318A Shield construction method for three-line parallel under-passing trunk railway tunnel |
| 02/20/2008 | CN101126317A Underground exterior-protected structure for underground tunnel construction |
| 02/13/2008 | CN201021625Y Mud water conveying and processing device for simulating mud water shield structure |
| 02/12/2008 | CA2397561C Earth discharging device for upward-facing shield machine |
| 02/07/2008 | DE102006056263B4 Schildschwanzdichtungspaste Shield tail sealing paste |
| 02/05/2008 | US7325882 Rock cutting machine |
| 01/31/2008 | US20080024000 Method And Device For Continuously Informing The Operator Of A Tunneling Machine On Physical Features Of A Ground To Be Tunnelled |
| 01/31/2008 | DE102006044733B3 Mobile enclosure for sanitation and lining of tunnel, has outer side with rails for processing power unit, where rails are arranged in axial and radial directions and enclosure is formed as false work for accommodating unit |
| 01/29/2008 | CA2395366C Treatment of rock surfaces |
| 01/29/2008 | CA2267508C Apparatus for static underground drilling |
| 01/16/2008 | CN101105131A Tunnel dredging method suitable for railway large section IV, V class rock tunnel |
| 01/09/2008 | CN201003403Y Underground engineering rock modification foam generator |
| 01/09/2008 | CN101100942A Mud balance type shield tunneling machine operation graphical display control method |
| 01/08/2008 | US7316280 Method for producing earth boreholes |
| 01/03/2008 | DE19944032B4 Vorrichtung und Verfahren zur Erzeugung seismischer Schwingungen Apparatus and method for generating seismic vibrations |
| 01/03/2008 | DE102006026561B3 Nordsucher für eine Tunnelvortriebsmaschine North viewfinder for a tunnel boring machine |
| 01/02/2008 | CN201000324Y Casing tube type drilling multi-point extensometer |
| 12/21/2007 | WO2007143773A1 Microtunnelling system and apparatus |
| 12/21/2007 | CA2649801A1 Microtunnelling system and apparatus |
| 12/13/2007 | WO2007140979A1 Tunnel-driving machine with a north-seeking device |
| 12/12/2007 | CN200989770Y Sleeve type hole drilling multipoint extension meter |
| 12/12/2007 | CN200989207Y Tunneller random protection system |
| 12/12/2007 | CN101086208A All-section rock tunneling machine cutter layout design optimization method |
| 12/06/2007 | WO2007138123A1 Support arrangement |
| 12/06/2007 | US20070280786 Advancement Of Pipe Elements In The Ground |
| 12/05/2007 | EP1862637A1 Device and method for a shield driving start-up and extension |
| 12/05/2007 | CN101082279A Peg-pole-prestress supporting system and construction method thereof |
| 11/29/2007 | DE102005038313B4 Verfahren zur Messung der geologischen Lagerungsdichte und zur Detektion von Hohlräumen im Bereich eines Vortriebstunnels A method for measuring density of the geological storage and for the detection of voids in the region of a tunnel boring |
| 11/28/2007 | EP1859120A1 New untraditional tunnel boring technique for all soil types |
| 11/27/2007 | CA2471335C A mining or tunnelling device |
| 11/21/2007 | CN101074862A Sleeved multi-point drilling extender |
| 11/08/2007 | DE19745766B4 Schlammaufbereitungsstation für eine Tunnelvortriebsmaschine, deren Strebspitze aus durch Druck verdichtetem Schlamm besteht Sludge treatment station for a tunnel boring machine, the longwall top is made of compacted by pressure mud |
| 11/07/2007 | CN101067375A Tunnel radio laser laying out apparatus |
| 11/07/2007 | CN101067374A Single-hole double-layer overlapping tunnel structure and construction method thereof |
| 11/01/2007 | WO2007121517A1 Payload estimation system and method |
| 11/01/2007 | CA2648556A1 Payload estimation system and method |
| 10/31/2007 | DE10296375B4 Schild-Tunnelvortriebsverfahren und Schild-Tunnelvortriebsmaschine Shield tunneling method and shield tunneling machine |
| 10/31/2007 | CN200968855Y 隧道检测车 Tunnel inspection vehicle |
| 10/25/2007 | US20070248416 Process and Device for Building a Tunnel Immersed on a Sub-Sea Soil |
| 10/24/2007 | CN200964554Y Magnetic levitation tunnel inside segmentation formation |
| 10/24/2007 | CN100344858C Full power self adaptive shield cutter disc driving electrohydraulic control system |
| 10/17/2007 | CN200961273Y Underground passage dredging apparatus |
| 10/17/2007 | CN100343650C Large shield tunnelling analogue test platform |
| 10/17/2007 | CN100343485C Analogue soil box for analogue shiold tunnelling machine testing |
| 10/17/2007 | CN100343470C Device for advancing drillings in the ground |
| 10/11/2007 | WO2007112979A1 Pressure compensation ring |
| 10/04/2007 | WO2007111520A1 Tunnel supported on bearing blocks |
| 10/04/2007 | WO2007081394A9 Optical disc destruction device |
| 10/03/2007 | CN200954819Y Major-minor single-rail subway train and shallow subway tunnel system |
| 09/27/2007 | WO2007106928A1 Swivel-head continuous miner |
| 09/26/2007 | CN101044295A Method and device for providing continuous informations to the driver of a tunnelling machine regarding the material in front of the device |
| 09/20/2007 | WO2007104838A1 Covered passageway construction |
| 09/20/2007 | DE19623375B4 Streckenvortriebsmaschine mit Übergabestation und Bandkehren-Rückeinrichtung Mining machine with transfer station and band sweep-back device |
| 09/19/2007 | EP1835126A1 Sealing process and sealing joint for driving pipes |
| 09/19/2007 | EP1835125A1 Method for the production of an underground passage, and also pipe section for use with said method |
| 09/12/2007 | CN200946226Y Setting mode of magnetic suspension track girder in channel |
| 09/05/2007 | CN200943500Y Tunnel treatment system for adapting to large uneven precipitation or stagger of stratum |
| 09/05/2007 | CN101028822A Subway train with master and auxiliary track and shallow-buried subway tunnel system |
| 08/29/2007 | EP1826588A2 Method and device for pre-exploration during tunnel construction |
| 08/28/2007 | CA2358828C Rock boring device |
| 08/22/2007 | EP1820934A1 Method and system for forming a tunnel beneath a travelway |
| 08/22/2007 | EP1820903A2 Device and method for ground freezing |
| 08/15/2007 | CN1332099C Telescope feed type manipulator in backhoe digging, and application in tunnel shield machine and pipe pushing jack |
| 08/14/2007 | CA2292117C Mine stopping, method of constructing same and panels thereof |
| 08/08/2007 | CN2931788Y Deformed seam installing method of circular tunnel in river of magnetic suspension tunnel |
| 08/08/2007 | CN2931787Y Cutterhead driving mechanism of eccentric multi-axes roadheader |
| 08/08/2007 | CN1330787C Shield engine disk type hobbing cutter ring and its production method |
| 08/02/2007 | US20070177943 Jack for carrying and installing mine panels |
| 08/02/2007 | DE102006009246B3 Preliminary surveying for tunnel building involves sensor arrangement with number of sensors distributed on tunnel wall receiving surface waves running from face of tunnel to sensors, using propagation model and transition time evaluation |
| 07/26/2007 | DE202007007458U1 Vortriebsvorrichtung für mit Spritzbeton ausgekleidete Stollen Propulsion device for lined with shotcrete tunnel |
| 07/19/2007 | WO2007081394A2 Optical disc destruction device |
| 07/19/2007 | CA2613982A1 Optical disc destruction device |
| 07/18/2007 | EP1808571A1 Vacuum system |
| 07/11/2007 | CN1995702A Treatment method for slurry circulation in shield tunneling |
| 07/11/2007 | CN1995701A Mechanical breaking construction method for use as shield tunneling machine reached tunnel portal |
| 07/11/2007 | CN1995700A Shield launching construction method |
| 07/11/2007 | CN1325758C Device capable of regulating open ratio in shield driving machine |
| 07/05/2007 | WO2007075149A1 Tunnel driving machine with horseshoe-shaped transverse profile |