| 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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| 05/25/2005 | DE10252692A1 Micro-tunnelling system for e.g. pubic utilities has cutting wheel surrounded by funnel-shaped shroud with variable-geometry cuttings outlet |
| 05/25/2005 | CN1619281A Analogue soil box for analogue shiold tunnelling machine testing |
| 05/25/2005 | CN1619280A Large shield tunnelling analogue test platform |
| 05/25/2005 | CN1619102A Cutter head for cutter head changeable entrydriving mechine |
| 05/25/2005 | CN1619101A Shield tunneling machine |
| 05/19/2005 | DE202004020397U1 Arrangement to be used during start-up of forward thrust of tunneling device, comprising pressure ring held by threaded bars |
| 05/19/2005 | DE10346583A1 Tunnelling machine for deep mines or civil engineering has expanding anchorage beam transmitting recoil loads to geological strata |
| 05/18/2005 | CN1617994A Method for making a sealed tubular joint with plastic expansion |
| 05/18/2005 | CN1616795A Constraction method for underground structure |
| 05/17/2005 | US6893188 Continuous method of realization of works underground, tunnels and excavations in general with works of consolidation, permeabilization and drainage obtained through guided perforations |
| 05/11/2005 | CN2698980Y Hydraulic universal rock cutter |
| 05/11/2005 | CN1614197A Direction turning cotnrol of double circular shielding |
| 05/11/2005 | CN1614196A Ground deformation control for going through soft earth layer by double circular shielding |
| 05/11/2005 | CN1614195A Construction method for going through subway station by double circular shielding |
| 05/10/2005 | CA2804825A1 Mine ventilation panel system |
| 05/05/2005 | US20050093361 Method and means for processing oil sands while excavating |
| 05/04/2005 | DE10234338B4 Vorrichtung zum Vortreiben von Bohrungen im Erdreich Apparatus for propelling holes in the ground |
| 05/04/2005 | DE10234337B4 Vorrichtung zum Vortreiben von Bohrungen im Erdreich Apparatus for propelling holes in the ground |
| 05/03/2005 | US6886644 Apparatus and method for horizontal drilling |
| 04/27/2005 | EP1526249A1 Shield tunneling machine |
| 04/27/2005 | EP1525370A2 Device for advancing drillings in the ground |
| 04/27/2005 | CN2695639Y Expansible angle regulation type advanced support device |
| 04/20/2005 | EP1524403A1 Tail sealing for a shield tunneling machine |
| 04/14/2005 | US20050077775 Shield tunneling machine |
| 04/13/2005 | EP1210504B1 Tunnel boring method |
| 04/06/2005 | CN1603669A Pushing technique capable of reducing friction around pipe |
| 03/23/2005 | EP1517002A1 Shield tunneling machine |
| 03/23/2005 | CN1599836A Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence |
| 03/23/2005 | CN1598211A Method of connecting steel inhaul cable for tubulation joint |
| 03/22/2005 | US6869147 Method and system for mining hydrocarbon-containing materials |
| 03/22/2005 | US6868848 Cutting tool and method of using same |
| 03/17/2005 | WO2005024342A1 Laser alignment system |
| 03/17/2005 | CA2540719A1 Laser alignment system |
| 03/16/2005 | CN2685571Y Composite shield construction machine |
| 03/16/2005 | CN2685570Y Pipe-jacking tunneller |
| 03/16/2005 | CN1594832A Shield driving and synchronous road construction method for double layer highway tunnel |
| 03/10/2005 | WO2005021932A1 Method for forming foamed material in foam shield driving method and foamed material for use in foam shield driving method |
| 03/09/2005 | CN1590706A Method and device for structuring tunnel by propulsion of underground box |
| 03/09/2005 | CN1590705A Tunnel construction working method |
| 03/02/2005 | CN1587644A Full power self adaptive shield cutter disc driving electrohydraulic control system |
| 03/02/2005 | CN1587643A Digging method for shallow underground hole |
| 03/02/2005 | CN1587579A Steel pulling cable connection structure for pipe section joint |
| 02/24/2005 | WO2005001245A3 Method and device for extracting extraction products in underground mining |
| 02/23/2005 | CN1584346A Shielding spiral conveyor hydraulic system with proportional feedback control and accumulator oil supplementary |
| 02/23/2005 | CN1584290A Shielding three-dimensional gesturing precisioning monitoring systems |
| 02/22/2005 | US6857488 Boring head cutter |
| 02/17/2005 | US20050034897 Reamer apparatus for ground boring machine |
| 02/17/2005 | US20050034896 Pipe burying method |
| 02/03/2005 | US20050023882 Apparatus for detecting the state of rotation of cutting rollers of a shield tunneling machine |
| 02/02/2005 | EP1503032A1 Device for detecting the rotation of roller cutters in a shield excavating machine |
| 02/01/2005 | CA2260809C Improved disc cutter and excavation equipment |
| 01/26/2005 | EP1027528B1 Foaming composition |
| 01/19/2005 | EP1497536A1 Oscillating disc cutter with speed controlling bearings |
| 01/19/2005 | EP1497534A1 Rock cutting machine |
| 01/18/2005 | US6844923 Method and apparatus for surveying the geometry of tunnels |
| 01/13/2005 | DE10353352A1 Verfahren und Vorrichtung zum Hereingewinnen von Gewinnungsprodukten im untertägigen Bergbau Method and apparatus for cross obtaining extraction products in underground mining |
| 01/12/2005 | CN1563672A PMS sludge prepn. method and its application in construction of sludge balance shield and pipe-jacking |
| 01/12/2005 | CN1563671A Dormant digging and separating construction method for underground two layers and multilayer composite lining structure |
| 01/06/2005 | WO2005001245A2 Method and device for extracting extraction products in underground mining |
| 01/06/2005 | US20050004416 Building subterranean tunnels for handling hazardous wastes; covering |
| 01/05/2005 | DE202004016655U1 Rohrverbindung und Vorrichtung zur Herstellung einer Rohrverbindung Pipe joint and apparatus for manufacturing a pipe joint |
| 01/05/2005 | CN1560482A Hydraulic propelling system for mining tunnel driving machine controlled by ratio flow pressure |
| 01/05/2005 | CN1560434A Electronic laser target of tunnel digging construction guiding system |
| 12/30/2004 | US20040262980 Method and means for recovering hydrocarbons from oil sands by underground mining |
| 12/29/2004 | CN1182321C Tunnel excavating machine |
| 12/23/2004 | DE202004015989U1 Hydraulic piston drive unit for tunnelling shield has two-stage piston unit in telescopic cylinder |
| 12/23/2004 | DE202004015988U1 Schildschwanznotdichtung Schildschwanznotdichtung |
| 12/23/2004 | DE202004015987U1 Tunnelling machine has shield with pressurised compartment sub-divided into two by partition with pressure correction apertures |
| 12/23/2004 | DE19647160C5 Verfahren und Vorrichtung für Halbschildvortrieb Method and apparatus for semi-shield tunneling |
| 12/09/2004 | DE10337693A1 Geothermal power production for use in underground road or railway tunnel, involves circulating fluid through heating and cooling pipelines built below track bed or roadway or within ceiling of tunnel and through heat exchangers |
| 12/08/2004 | CN2661923Y Eccentric multishaft multi-cutterhead type development machine |
| 12/08/2004 | CN2661922Y Cutter head actuating device of eccentric multishaft type development machine |
| 12/08/2004 | CN2661921Y Cutting cutter head of eccentric multishaft multi-cutterhead type development machine |
| 12/04/2004 | CA2735355A1 Method and means for recovering hydrocarbons from oil sands by underground mining |
| 12/04/2004 | CA2469247A1 A method and means for recovering hydrocarbons from oil sands by underground mining |
| 11/17/2004 | CN1546841A Cutter drive device of eccentric multi-axial type tunnelling machine |
| 11/17/2004 | CN1546840A Eccentric multi-axial multi-cutter type tunnelling machine |
| 11/10/2004 | CN2654858Y Shallow buried dark digger |
| 11/04/2004 | WO2004094785A1 Two-level tunnel and method for building said tunnel |
| 11/04/2004 | US20040216922 Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence |
| 11/03/2004 | CN1174179C Method for structure duct in ground |
| 10/27/2004 | EP1470316A1 Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence |
| 10/14/2004 | WO2004025080A3 Method and composition for reducing wear in a cutting head of a tunnel boring machine |
| 10/14/2004 | US20040202510 Ditch liner system |
| 10/13/2004 | EP1467030A1 Underground pipe and cable gallery which can be inspected |
| 10/12/2004 | US6802673 Tunnel boring with foamed composition |
| 10/07/2004 | DE10224560B4 Einrichtung zum Versetzen von Tübbingen für eine Schildvortriebsmaschine Means for placing of concrete segments for a shield tunneling machine |
| 09/30/2004 | US20040188144 Method for producing earth boreholes |
| 09/29/2004 | EP1461562A1 Method for making a sealed tubular joint with plastic expansion |
| 09/29/2004 | CN2644634Y 钢制隧道门 Steel doors tunnel |
| 09/29/2004 | CN2644633Y Push-and-pull type steel tunnel door |
| 09/29/2004 | CN1532373A Tunneling method |
| 09/16/2004 | WO2004079162A1 Method of protecting a surface of rock or soil |
| 09/15/2004 | CN1166852C Construction mode with full cross-section tunneller |
| 09/10/2004 | WO2004076817A1 Method and composition for injection at a tunnel boring machine |
| 09/08/2004 | EP0759117B2 Device for driving a tunnel or drain pipe |
| 09/01/2004 | CN1164859C Driving cutting device |
| 08/24/2004 | US6780459 Method for stabilizing irregular structures |
| 08/19/2004 | WO2004070160A1 Tunnel boring apparatus |
| 08/18/2004 | EP1447521A2 Method of consolidation, impermeabilisation and drainage of underground works by guided perforations |