| 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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| 10/03/2002 | WO2002077512A1 Device, method and laying device for hydraulically supporting a tunnel |
| 10/02/2002 | DE10114625A1 Vorrichtung, Verfahren und Verlegeeinrichtung zur hydraulischen Stützung eines Tunnels The device, method and installation means for the hydraulic support of a tunnel |
| 10/02/2002 | CN1091875C Direction detector |
| 10/01/2002 | US6457909 Multi-purpose anchor bolt assembly |
| 10/01/2002 | US6457246 Mounting and switching of survey apparatus |
| 09/24/2002 | US6454359 Method for blasting tunnels using an air bladder |
| 09/19/2002 | WO2002040819A3 Method for producing a bore and advancing machine for boring |
| 09/11/2002 | CN1369055A Three dimensional multi-phase tunneling method and equipment thereof |
| 09/11/2002 | CN1369033A Tunnel boring method |
| 09/11/2002 | CN1090708C Piston-type shield and pipeline construction method thereof |
| 08/22/2002 | US20020113484 Mining system and method featuring a bread loaf shaped borehole |
| 08/20/2002 | US6435286 Apparatus and method for detecting a location and an orientation of an underground boring tool |
| 08/15/2002 | US20020110425 Method and apparatus for the trenchless laying of pipework underground |
| 08/13/2002 | US6431653 Tunnel-boring machine and method of using the same |
| 08/13/2002 | US6431075 Center-cut method for tunnel excavation utilizing large unloaded blast holes and a circular pre-split |
| 08/07/2002 | EP1228291A1 Device and method for drilling in a subsurface |
| 08/07/2002 | CN1362573A Construction mode with full cross-section tunneller |
| 08/06/2002 | US6428109 Mining machine with sliding cutting tool assembly |
| 08/01/2002 | DE10103711A1 Ringspaltverpressung bei Tunnelvortriebsmaschinen Annular gap grouting in tunneling machines |
| 07/31/2002 | EP1227343A2 Trenchless underground boring system with boring tool location |
| 07/25/2002 | US20020098043 Method and apparatus for feeding a tunnel roof support system from the roof shield of a TBM |
| 07/18/2002 | US20020093239 Cutting device |
| 07/17/2002 | EP1223306A1 Ground reinforcing method |
| 07/17/2002 | EP1029150B1 Device for cutting or kirving material |
| 07/10/2002 | CN1087386C Automatic guiding and measuring device, and method for measuring and guiding movable platform |
| 07/03/2002 | CN2498331Y Support shed for underground engineering |
| 07/03/2002 | CN1357078A Method and device for determining previous state of stress for tunneling |
| 06/27/2002 | WO2002050401A1 Cutter head and rock excavator |
| 06/27/2002 | US20020081159 Multi-purpose anchor bolt assembly |
| 06/26/2002 | EP1217167A2 Multi-purpose anchor bolt assembly |
| 06/26/2002 | CN2497043Y Replaceable earth-pressure balancing pipe-jacking entry-driving machine |
| 06/18/2002 | US6406220 Arched support structure |
| 06/13/2002 | US20020070600 Three dimensional multi-phase tunneling method and equipments thereof |
| 06/06/2002 | DE10058322A1 Electrical drive system used for the driving a drill head of a tunnel drilling machine comprises asynchronous motors operated by an alternating current, a voltage changer, and devices for changing the number of poles of the motors |
| 06/05/2002 | EP1210504A1 Tunnel boring method |
| 05/29/2002 | EP1209244A1 Linear shape steel excellent in joint fatigue characteristics and production method therefor |
| 05/23/2002 | WO2002040819A2 Method for producing a bore and advancing machine for boring |
| 05/22/2002 | CN1350109A Unopened construction method of underground building |
| 05/16/2002 | US20020057948 Multi grouting system |
| 05/15/2002 | EP1204841A1 Three dimensional multi-phase tunneling method and equipments thereof |
| 05/14/2002 | US6386299 Method and apparatus for reaming pilot hole |
| 05/14/2002 | US6385868 Jet excavating device |
| 05/08/2002 | DE10114651C1 Consolidation of a geological formation in an underground coal mine by introducing a reaction mixture which forms a polyurethane, uses polyol component containing polyether polyol with solid organic filler formed in situ, and plasticizer |
| 05/07/2002 | US6382732 Cutter head, tunnel excavating machine, and cutter replacing method |
| 04/25/2002 | WO2002033219A1 Cutter |
| 04/23/2002 | US6375390 Method for widening road, superhighway or railway tunnels, without interrupting the traffic |
| 04/23/2002 | CA2097188C Process for rock consolidation and/or cavity filling e.g. in tunnel construction and mining |
| 04/18/2002 | WO2001083949A3 Tunnel building device |
| 04/18/2002 | DE10047063A1 Nominal fracture point in a shaft wall, for the movement of a tunneling machine to and from the tunneling site, has a prefabricated component in the shaft wall with the reinforcement which can be penetrated by the machine |
| 04/17/2002 | CN1083050C Tunnelling process and device |
| 04/10/2002 | EP1195498A1 Shield tunnelling machine |
| 04/10/2002 | EP1021640B1 Arched support structure |
| 04/09/2002 | US6367569 Replaceable multiple TCI kerf ring |
| 04/02/2002 | US6364418 Cutting heads for horizontal remote mining system |
| 03/27/2002 | EP1191187A2 Device for mounting tunnel lining elements |
| 03/27/2002 | EP1191186A1 Tunnel for road transport |
| 03/27/2002 | EP0873465B1 Trenchless underground boring system with boring tool location |
| 03/27/2002 | CN1081788C Guide beam direction setting apparatus |
| 03/21/2002 | WO2001063096A3 Treatment of rock surfaces |
| 03/20/2002 | EP1188899A2 Double tunnel |
| 03/19/2002 | US6357965 Method, system and device for building a wall in the ground |
| 03/19/2002 | US6357831 Excavation machine for hard rock mining |
| 03/14/2002 | US20020031403 Tunnel excavating machine and excavating method |
| 03/14/2002 | US20020030398 Method and system for mining hydrocarbon-containing materials |
| 03/13/2002 | EP1186742A2 Method, system and device for building a wall in the ground |
| 03/07/2002 | WO2002018748A1 Mining system |
| 03/07/2002 | DE10040777A1 Verfahren und Maschine für den Tunnelbau, Schalelement und Schalsystem Method and machine for tunnel construction, formwork element and formwork system |
| 03/07/2002 | CA2463048A1 Mining system |
| 03/06/2002 | EP1183440A1 Stone head to be mounted on excavator arms |
| 02/28/2002 | WO2002016736A1 Method and machine for tunneling, a formwork element and a formwork system |
| 02/27/2002 | EP0985082B1 Tunnel-boring machine |
| 02/19/2002 | US6349249 Automated guided apparatus suitable for toping applications |
| 02/19/2002 | US6347838 Method for replacing cutters of tunnel-excavating machine, method for excavating tunnel, and tunnel excavating machine |
| 02/14/2002 | WO2002012638A1 Multi grouting system |
| 02/10/2002 | CA2315468A1 Multi grouting system |
| 02/06/2002 | EP1178180A1 Sardine-bone construction method for large-section tunnel |
| 02/05/2002 | US6343842 Roller bit for tunnel-driving machines with segmented cutting rings |
| 01/30/2002 | EP1175551A1 Method and device for determining a previous state of stress for tunneling |
| 01/30/2002 | EP1029152B1 Cutting machine |
| 01/24/2002 | DE10063049A1 Laying buried pipes, e.g. for telecommunication cables, has a main ram and cutter fitted into a start shaft to cut a passage through to the end shaft, with intermediate rams between the pipe sections |
| 01/23/2002 | EP0720682A4 Disc cutter |
| 01/22/2002 | CA2269957C Automated guided apparatus suitable for toping applications |
| 01/16/2002 | EP1172522A1 Driving shield tunneling machine |
| 01/16/2002 | CN1331394A Method for structure duct in ground |
| 01/10/2002 | WO2002003021A1 Method and apparatus for providing a primer with a detonator in a borehole |
| 01/10/2002 | CA2415221A1 Method and apparatus for providing a primer with a detonator in a borehole |
| 01/03/2002 | WO2002001045A1 Advance working machine or extraction machine for extracting rocks |
| 01/02/2002 | EP1167683A1 Introduction assembly for reinforcement rods for drilling machine |
| 01/02/2002 | EP1167682A1 Drilling machine to prepare excavations for tunnels |
| 01/02/2002 | EP1167633A1 System for the execution of monolithic constructions deployed by penetration |
| 01/01/2002 | US6334653 Conveyor device and method of removing material using the conveyor device |
| 12/25/2001 | US6332652 Tunnel excavator with variable pressure water jets |
| 12/20/2001 | DE10002213A1 Optimierung exzenterschlagüberlagerter gegengewuchteter Werkzeuge Optimization exzenterschlagüberlagerter against-balanced Tools |
| 12/19/2001 | CN2466348Y Small bore rigid external valve one-way type sublevel grouting device |
| 12/19/2001 | CN1327120A Tunnel excavator and excavating method |
| 12/13/2001 | DE10027603A1 Spoil removal from tunneling face is assisted by adding viscosity-raising agent to face water entering screw outloading conveyor. |
| 12/12/2001 | EP0912816B1 Cutting control process and device for detecting the depth of cut of kirving tools |
| 12/05/2001 | EP0889200B1 Tunnel excavation method and tunnel excavator |
| 11/29/2001 | WO2001090626A1 Sealing system for jacking pipes |
| 11/28/2001 | EP1157190A1 Cutting device |