| 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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| 04/15/2009 | EP1497536B1 Oscillating disc cutter with speed controlling bearings |
| 04/15/2009 | CN101410589A Tunnel supported on bearing blocks |
| 04/15/2009 | CN101408109A Diversion shield tunnel traversing new sea dyke and foundation treatment method thereof |
| 04/15/2009 | CN101408108A Shield cutter head hydraulic system driven bymixed motor serial connection and parallel connection |
| 04/15/2009 | CN101408107A Energy-saving type shield propulsion hydraulic system by using zone control |
| 04/15/2009 | CN101408106A Small tube shed pre-grouting method |
| 04/09/2009 | US20090092446 Fastening element |
| 04/08/2009 | CN101403309A Tunnel shielding blade disc hydraulic control system with widened timing range |
| 04/08/2009 | CN101403308A Double-blade dish type hob cutter with adjustable tool space |
| 04/08/2009 | CN101403307A Construction method of composite soil pressure balance tunnel shielding machine for traversing shallow-buried water-rich sand layer |
| 04/08/2009 | CN101403306A Soil pressure balancing type tunnel shielding simulation experiment system |
| 04/08/2009 | CN101403305A Construction method for tunnel continuous mucking, lining and excavation synchronization |
| 04/02/2009 | WO2009042189A2 Rotary cutter for tunnel boring machine |
| 04/02/2009 | WO2009039667A1 Systems for exploiting the thermal energy at the bottom of the ocean |
| 04/02/2009 | WO2009039605A1 Underwater suspended tunnel |
| 04/02/2009 | DE202009001020U1 Werkzeughaltersystem Tool holder system |
| 04/01/2009 | CN201215021Y Dual spindle milling lever for grooving sideways underground |
| 04/01/2009 | CN201215020Y Underground sideward grooving milling device |
| 04/01/2009 | CN201215019Y Angle turning device for underground sideward grooving milling device |
| 04/01/2009 | CN201215018Y Feeding device for underground sideward grooving milling device |
| 04/01/2009 | CN101398986A Indoor model tunnel shields for simulating shield tunneling construction in urban subway |
| 04/01/2009 | CN101397910A Tunnel structure with rectangle shaped prefabricated element |
| 03/31/2009 | US7510025 Boring machine |
| 03/26/2009 | WO2009037381A1 Method and software product for designing drilling pattern for rock cavity excavation |
| 03/26/2009 | WO2009037315A1 Process for determining additives used in tunnel boring machines and device |
| 03/26/2009 | US20090079256 Rotary cutter for tunnel boring machine |
| 03/26/2009 | CA2698692A1 Method and software product for designing drilling pattern for rock cavity excavation |
| 03/25/2009 | EP2039881A1 Process for determining additives used in tunnel boring machines and device |
| 03/25/2009 | CN201212395Y Multifunction primary-secondary drill |
| 03/25/2009 | CN101392653A Three-dimensional attitude measuring set of tunneling construction guidance system |
| 03/24/2009 | CA2542535C Method for preparing in-ground tunnel structures |
| 03/18/2009 | CN101387202A Method for enlarging and digging tunnel portal at weak surrounding rock section in tunnel |
| 03/17/2009 | CA2589743C Rock boring device |
| 03/12/2009 | WO2009031910A1 A way of constructing and renovating the pipeline especially an underground one, and a set of devices for using this method |
| 03/12/2009 | DE102007024057B4 Verfahren zur Verfestigung und/oder Abdichtung lockerer geologischer Formationen im Zuge von geotechnischen Baumaßnahmen Method of consolidating and / or sealing looser of geological formations in the course of geotechnical construction |
| 03/11/2009 | EP2034129A2 Method of consolidation, impermeabilisation and drainage of underground works by guided perforations |
| 02/28/2009 | CA2821383A1 Mining machine with driven disc cutters |
| 02/28/2009 | CA2639170A1 Mining machine with driven disc cutters |
| 02/26/2009 | WO2009024629A1 High-pressure polymer injection pump |
| 02/26/2009 | WO2009024352A1 Semiconductor factory |
| 02/25/2009 | CN100464055C Construction method of shallow buried underground excavating tunnel super large section using PBA method |
| 02/11/2009 | EP2022937A1 Support arrangement |
| 02/11/2009 | CN201193987Y Multifunctional fake rock wall test apparatus |
| 02/11/2009 | CN101363322A Construction method for changing single line to be double in tunnel |
| 02/11/2009 | CN101363321A Application method for horizontal V-shaped tunnel face for digging tunnel |
| 02/11/2009 | CN101363320A Top and guilder two-in-one tunnel boring machine |
| 02/11/2009 | CN101363319A Circle fluid cushion type side-turning prevention device for rectangular tunnel boring machine |
| 02/11/2009 | CN100460627C Detachable jaw crusher for drifting machine |
| 01/28/2009 | CN201187303Y Cutter head front slag-scraping apparatus of open type tunnel boring machine |
| 01/28/2009 | CN101353965A Shield hole-drilling apparatus and hole-drilling construction method thereof |
| 01/27/2009 | CA2583519C Method and system for mining hydrocarbon-containing materials |
| 01/22/2009 | WO2009011254A1 Underground structure constructing method, and underground atomic power plant constructed by the method |
| 01/22/2009 | DE102005039036C5 Rollenmeißel, insbesondere für Tunnelbohrmaschinen Roller bit, especially for tunnel boring machines |
| 01/21/2009 | CN101349154A Structure construction method for forming subterranean tunnel |
| 01/20/2009 | US7478835 Travel unit for mobile machines |
| 01/20/2009 | CA2403124C Arrangement for determining position of unmanned mining vehicles |
| 01/14/2009 | CN201180545Y Tunnel rock drill |
| 01/14/2009 | CN100451295C Tunnel dredging method suitable for railway large section IV, V class rock tunnel |
| 01/08/2009 | WO2009004343A2 Excavator vehicle |
| 01/08/2009 | WO2009004100A1 Covering module for the leading head of tunnelling machines |
| 01/08/2009 | US20090010715 Mine Seal With Adhesive |
| 01/07/2009 | CN101338678A Supporting arch hidden digging top-down construction method |
| 01/07/2009 | CN101338677A Synchronous construction method for shield method tunnel |
| 12/31/2008 | WO2009002199A1 Tunnel multi gallery |
| 12/31/2008 | WO2009000855A1 Tunnel-lining voussoirs and method for maintaining the skirt of a tunnel-boring machine |
| 12/31/2008 | EP1904716B1 Underground construction of a pipeline |
| 12/31/2008 | CN201173121Y Tunelling driving single machine device |
| 12/31/2008 | CN201173120Y Circular arc saw blade |
| 12/30/2008 | US7470085 Tightly peaked ditch liner system |
| 12/30/2008 | CA2185058C Tunnel boring machine |
| 12/24/2008 | EP2004956A1 Tunnel supported on bearing blocks |
| 12/24/2008 | CN101328811A TGRM subsection moving-on type advanced deep hole grouting construction process |
| 12/24/2008 | CN100445516C Shield tunnel subsidence control method based on exploring radar |
| 12/18/2008 | WO2008152811A1 Additive material for use in shielding method or pipe-jacking method, process for producing the same, and tunneling method |
| 12/17/2008 | CN201165660Y Steel pipe hole bottom grouting apparatus |
| 12/11/2008 | DE102007024057A1 Verfahren zur Verfestigung und/oder Abdichtung lockerer geologischer Formationen im Zuge von geotechnischen Baumaßnahmen Method of consolidating and / or sealing looser of geological formations in the course of geotechnical construction |
| 12/10/2008 | EP2000627A2 Directional boring machine for drilling underground ducts |
| 12/10/2008 | CN201162738Y Energy-saving hydraulic control apparatus of variable rotation speed driving shield blade disc |
| 12/10/2008 | CN201162227Y Underground pipe canal |
| 12/09/2008 | US7461901 Method and means for processing oil sands while excavating |
| 12/04/2008 | WO2008129128A8 Method of directing drilling pattern in curved tunnels, rock drilling rig, and software product |
| 11/26/2008 | EP1995407A2 Method for consolidating and/or sealing loose geological formations in the process of geotechnical construction |
| 11/26/2008 | CN100436753C Rock cutting machine |
| 11/19/2008 | CN201152294Y Energy-saving -type shielding hydraulic control apparatus adopting hydraulic transformer |
| 11/19/2008 | CN201152176Y Existed electrified railroad tunnel lengthened section structure |
| 11/19/2008 | CN201152175Y Frog type cave boring machine |
| 11/12/2008 | CN101303815A Digging guiding device of model shielding machine |
| 11/11/2008 | US7448692 Method and means for processing oil sands while excavating |
| 11/06/2008 | WO2008084479A3 Devices for forming curved or closed-loop structures |
| 11/05/2008 | CN201144705Y Hydraulic drive type adjusting device for cutter head opening ratio of full shield mechanical boring machine |
| 11/05/2008 | CN201144704Y Continuous adjusting device for cutter head opening ratio of full shield mechanical boring machine |
| 11/05/2008 | CN101298838A Soil pressure balance shield machine back loading type cutter head foam spraying device |
| 11/05/2008 | CN101298837A Apparatus for reducing friction resistance between shield machine shield body and tunneling wall |
| 11/05/2008 | CN101298836A Pressurization balancing device for shield machine initialization |
| 11/05/2008 | CN100430572C Intergrated expansion inserted composite shield cutter head |
| 11/04/2008 | CA2526264C Method and arrangement for extracting extraction products in underground mining |
| 10/30/2008 | WO2008129128A1 Method of directing drilling pattern in curved tunnels, rock drilling rig, and software product |
| 10/29/2008 | CN101294496A Slip casting control shield attitude and deviation correcting construction method |
| 10/29/2008 | CN101294495A Tunnel shield propulsion and inside double-layer road synchronous construction method |
| 10/23/2008 | WO2008125735A1 Method of modifying drilling pattern, rock drilling rig, and software product |