| 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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| 10/23/2008 | CA2684426A1 Method of modifying drilling pattern, rock drilling rig, and software product |
| 10/22/2008 | CN101289938A Subway shield tunnel enlarging station special area and station structure connecting method |
| 10/21/2008 | US7438365 Mining device |
| 10/16/2008 | DE10114625B4 Verfahren zur hydraulischen Stützung eines tunnelförmigen, unterirdischen Hohlraumes zur Verlegung von Rohren und/oder Kabeln Process for supporting a tunnel-shaped hydraulic underground cavity for laying pipes and / or cables |
| 10/15/2008 | CN201133248Y Orifice sealed double tube back type grouting device |
| 10/15/2008 | CN101285387A Propelling plant for earth pressure balancing shield |
| 10/15/2008 | CN101285386A Torsional moment and force loading unit for shield excavation simulation |
| 10/15/2008 | CN101285385A Undermining method for three-dimensional pipe-roof |
| 10/15/2008 | CN100425802C Counter pulling method used in underground pipe culvert linear dark digging |
| 10/15/2008 | CN100425801C Counter pulling device used in underground pipe culvert linear dark digging |
| 10/08/2008 | CN201129542Y Voltage bias crushing mud water balance push bench |
| 10/08/2008 | CN201129179Y Rotary extrusion expanding apparatus of shield machine |
| 10/08/2008 | CN201129178Y Drilling subsection advanced type grouting water-shutoff apparatus |
| 10/08/2008 | CN201129177Y Drill rod back subsection grouting apparatus |
| 10/08/2008 | CN101280847A Main bearing multi-layer sealing structure of complete section tunnel boring machine |
| 10/08/2008 | CN101279396A Method for overlaying-welding wear and cutting resistant cemented carbides on mother plate of shield cutters |
| 10/07/2008 | US7431402 Rock boring device |
| 10/01/2008 | EP1646766B1 Method and device for extracting extraction products in underground mining |
| 10/01/2008 | CN100422505C Excavator for tunnel of subway |
| 09/25/2008 | WO2008114939A1 Blast construction working method for a tunnel |
| 09/25/2008 | US20080230270 Arrangement for Positioning Rock Drilling Rig on Drilling Site |
| 09/25/2008 | DE102007014104A1 Verfahren zum Aufweiten eines Tunnels und Vorrichtung zum Durchführen des Verfahrens A method for widening a tunnel, and device for carrying out the method |
| 09/24/2008 | EP1972753A1 Method for enlarging a tunnel and device for executing the method |
| 09/24/2008 | CN101270666A Tunnel stope front geological condition section-expanding horizontal drilling estimation and prediction method |
| 09/17/2008 | CN101265713A Inner tube water cellar applied system and its building equipment |
| 09/10/2008 | CN101260807A Rock laneway primary blasting and delayed concrete-spraying technology |
| 09/10/2008 | CN101260806A Preposition type opening construction method |
| 09/10/2008 | CN101260639A Building method for laneway paving-free road |
| 09/10/2008 | CN101260638A Rapid curing method for mine laneway muddy bottom |
| 09/03/2008 | CN201110178Y Rotating base shelf for turning around of shield machine |
| 09/03/2008 | CN101258303A Arrangement for extracting extraction products in underground extraction operations in caving |
| 08/28/2008 | US20080205989 Method for Tunnel Construction |
| 08/27/2008 | CN201106157Y High-speed railway tunnel opening micropressure wave buffering establishment |
| 08/27/2008 | CN101251371A Method for monitoring laser collimation TBM tunnel clearance displacement |
| 08/27/2008 | CN101251016A Method for forming shield tunnel construction maintenance surroundings |
| 08/27/2008 | CN101251015A Construction method for exchanging shield ventral brush |
| 08/27/2008 | CN101251014A Method for wholly mining tunnel invert foundation separating segment and placing concrete as well as inverted arch trestle device |
| 08/21/2008 | WO2008100201A1 Method and device for determining the position of a mining and/or construction machine as well as drilling rig comprising such a device |
| 08/21/2008 | WO2008098383A1 Ground-working machine |
| 08/21/2008 | DE102005003510B4 Einrichtung zum Ausschleusen von Transportbehältern Means for discharging transport containers |
| 08/21/2008 | DE102004062129B4 Vortriebsmaschine zum horizontalen Vortrieb unterirdischer Leitungstunnel Horizontal boring machine for boring underground cable tunnel |
| 08/20/2008 | EP1959093A2 Shield machine |
| 08/20/2008 | EP1567747B1 Method to install underground pipe casing |
| 08/20/2008 | CN101245601A Horizontal cement-treated soil stirring pile and construction method for pile booth |
| 08/20/2008 | CN100412432C Pushing technique capable of reducing friction around pipe |
| 08/13/2008 | CN201100129Y Single-hole dual-layer overlapping tunnel structure |
| 08/07/2008 | DE102008006415A1 Object deformation monitoring method for tunnel construction, involves identifying auxiliary measuring point as deformation measuring point when deviations of coordinates between measuring points are smaller than defined tolerance value |
| 07/31/2008 | WO2008090623A1 Shield machine |
| 07/31/2008 | DE102007005560A1 Method for operating drilling device for geological structures, particularly for operating tunnel boring machine, involves detecting operating state of element or group of elements of drilling device by evaluation device |
| 07/30/2008 | EP1592860B1 Tunnel boring apparatus |
| 07/30/2008 | CN201092860Y Multiple function cutting cutter head driving unit device |
| 07/30/2008 | CN201092859Y Retransmission, deviation- rectifying hinge joint function synthesizing device for tunnel borer |
| 07/30/2008 | CN201092858Y Side rotation-proof adjustable balancing wing device for tunnel borer |
| 07/30/2008 | CN101230783A Method for using new-style shield tail sealing device of shield machine |
| 07/30/2008 | CN101230753A Method for reinforcing top cover frame buildings work in non-batholith shield excavation process |
| 07/23/2008 | CN201089899Y Orientation pressure-control apparatus for horizontal rotary spraying pile |
| 07/23/2008 | CN101225839A Energy-saving type shield hydraulic pressure control system using hydraulic pressure transformer |
| 07/23/2008 | CN101225742A Construction method of shallow buried underground excavating tunnel super large section using PBA method |
| 07/17/2008 | WO2008084479A2 Devices for forming curved or closed-loop structures |
| 07/17/2008 | DE102007002399A1 Verfahren und Vorrichtung zur Herstellung einer verrohrten Strangbohrung Method and apparatus for producing a cased string bore |
| 07/16/2008 | CN101220746A TBM pilot tunnel expansion digging method for 20km double-line double-cavity ultra-long tunnel construction |
| 07/16/2008 | CN100402795C Cutting tool and method of using same |
| 07/09/2008 | CN201083129Y Collecting device |
| 07/09/2008 | CN101216052A Rotating speed variable driving shield cutterhead energy-saving hydraulic control system |
| 07/09/2008 | CN101215969A Large diameter tunneling close range down-traversing small diameter subway tunnel distortion control method |
| 07/03/2008 | WO2008078002A1 Designing drilling pattern for excavating rock cavern |
| 07/03/2008 | WO2008078001A1 Designing drilling pattern for excavating rock cavern |
| 07/03/2008 | CA2670078A1 Designing drilling pattern for excavating rock cavern |
| 07/02/2008 | CN201080786Y Truncation and cutting type drilling bucket |
| 07/02/2008 | CN101211185A Tunnelling machine control system detection test platform |
| 07/02/2008 | CN101210495A Dynamic coordination controlling system for full-section large-scale digging device |
| 07/02/2008 | CN101210494A Gas cushion type mud water pressurization equilibration shield machine |
| 07/02/2008 | CN100398781C Tunnel rupture type excavating method and excavating units |
| 06/25/2008 | EP1599654B1 Method and composition for injection at a tunnel boring machine |
| 06/18/2008 | CN201074516Y Hob loop of shield machine |
| 06/18/2008 | CN101200995A Underground plumb orienting drill |
| 06/17/2008 | US7387174 Device and method of lining a wellbore |
| 06/12/2008 | WO2008068363A1 Procedure, device for making tunnels and complement for tunneling machine |
| 06/11/2008 | CN101196118A Advanced double rows slip casting ductule construction technique |
| 06/11/2008 | CN101196117A Non-blasting digging method for tunnel and underground project |
| 06/11/2008 | CN101196116A Three-connected-arch tunnel double-side cavity construction method for soft geological |
| 06/10/2008 | US7384104 Oscillating disc cutter with speed controlling bearings |
| 06/04/2008 | CN101191417A Bentonite mud water pressurization equilibration shield machine |
| 06/04/2008 | CN101191416A Rock lane digging method |
| 06/04/2008 | CN100392309C Method for making a sealed tubular joint with plastic expansion |
| 05/28/2008 | CN100390375C Shield digger bit |
| 05/28/2008 | CN100390374C Semi-shield digging mahcine |
| 05/28/2008 | CN100390357C Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water |
| 05/21/2008 | CN101182773A Railway large-bore tunnel oval-shaped table-board cap brim bias-cutting type hole-door construction method |
| 05/21/2008 | CN101182772A Two lines intersection small radius, shallow earth covering and large longitudinal slope complicated linetype shield construction method |
| 05/20/2008 | CA2460081C Reinforced soil arch |
| 05/14/2008 | EP1920812A1 Apparatus and process for gathering and transporting of in particular a sand layer and for removing layers of alga in filter basins |
| 05/13/2008 | CA2401148C Method for stabilizing irregular structures |
| 05/07/2008 | CN101173608A Hoisting jack pulling method for double-circle shield-driven tunneling |
| 04/24/2008 | WO2008029000A8 Method for drilling rock |
| 04/17/2008 | WO2008043511A1 Tunnel boring machine as well as the assembly of a tunnel boring machine with a transport system |
| 04/17/2008 | DE102004017648B4 Verfahren zum Bau von Tunneln unter dem Meeresgrund A method for the construction of tunnels under the seabed |
| 04/16/2008 | EP1911929A1 Method for determining changes in the position of tubbing rings |
| 04/10/2008 | DE102006048823A1 Tunnelbohrmaschine sowie Anordnung einer Tunnelbohrmaschine mit einem Transportsystem TBM and arrangement of a tunnel boring machine with a transport system |
| 04/09/2008 | CN101158268A Construction method for super-long high-precision horizontal drilling |