| 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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| 11/22/2001 | WO2001088322A1 Cutting tool and method of using same |
| 11/21/2001 | EP1155220A1 Advancing device for boring sections of roadway, tunnels or similar |
| 11/14/2001 | EP1153200A1 Rock boring device |
| 11/13/2001 | US6315496 Method of lining a tunnel and apparatus for performing the same |
| 11/08/2001 | WO2001083949A2 Tunnel building device |
| 11/08/2001 | US20010038774 Method, system and device for building a wall in the ground |
| 11/06/2001 | US6312187 Street tunnel arrangement accessible to vehicles in densely populated areas |
| 11/01/2001 | WO2001081642A1 Linear shape steel excellent in joint fatigue characteristics and production method therefor |
| 11/01/2001 | US20010035674 Jet excavating device |
| 10/31/2001 | CN1320190A Sardine-bone construction method for large-section tunnel |
| 10/23/2001 | US6305754 Tunnel excavator with S-shaped soil plate |
| 10/18/2001 | DE10030782C1 Rohrvorpresseinrichtung Pipe rough-pressing |
| 10/17/2001 | EP1144805A1 Sinking machine with vertical swing rollers |
| 10/16/2001 | US6302621 Segment for intake tunnels |
| 10/04/2001 | WO2001073265A1 Emergency sealant for preventing water from getting into seal tails of tunnelling machines |
| 10/04/2001 | US20010025583 Center-cut blasting method for tunnel excavation utilizing large unloaded blast holes and a circular pre-split |
| 10/04/2001 | EP1138869A2 Optimization of excentre-driven percussion tools with counterweight |
| 09/30/2001 | CA2313924A1 Optimization of eccentric impact superimposed counter-balanced roller b its |
| 09/25/2001 | US6293628 Hydraulic scroll auger mining system and method of using the same |
| 09/25/2001 | US6293355 Method of controlling rock drilling |
| 09/20/2001 | WO2001069042A1 Method and system for mining hydrocarbon-containing materials |
| 09/20/2001 | WO2001069041A1 Arrangement for determining position of unmanned mining vehicles |
| 09/20/2001 | US20010022464 Mining machine |
| 09/19/2001 | EP1134356A1 Method for carrying out inspections and /or maintenance in tunnel boring machines |
| 09/19/2001 | CN1313453A Technology for excavating tunnel with quarrying machine |
| 09/19/2001 | CN1313442A Technology for excavating underground town |
| 09/11/2001 | US6287052 Material and method for lubricating the metal surfaces of an earth-pressure tunnel boring machine |
| 09/07/2001 | WO2001064603A1 Method for stabilizing irregular structures |
| 08/30/2001 | WO2001063096A2 Treatment of rock surfaces |
| 08/29/2001 | EP1127214A1 Rotatable cutting bit and bit washer therefor |
| 07/18/2001 | CN1303988A Earth mould cast-in-situ shield |
| 06/27/2001 | EP1109988A1 Jet excavating device |
| 06/20/2001 | EP1108115A1 Method for sealing rocks or building material and corresponding device |
| 06/13/2001 | EP1106670A1 Product based on phenolic resin with improved flexibility characteristics similar to those of foamed polyurethanes , for injection and soil consolidation |
| 06/07/2001 | US20010002974 Tunnel digging machine |
| 06/05/2001 | CA2013710C A rock drilling apparatus |
| 05/29/2001 | US6238141 Apparatus for static underground drilling |
| 05/17/2001 | WO2001034941A1 Device and method for drilling in a subsurface |
| 05/09/2001 | EP1098066A1 Tunnel boring machine |
| 05/09/2001 | EP1098065A1 Method for drilling a tunnel |
| 05/09/2001 | CN1065585C Tunnel liner, its fabrication method, and its fabrication appts. |
| 05/02/2001 | CN2428572Y Multifunction all-cut-section tunnel digging machine |
| 05/01/2001 | US6224164 Mining machine with detachable articulated cutting assembly |
| 04/25/2001 | EP1094198A2 A method for drilling an underground tunnel |
| 04/25/2001 | EP1094197A1 Tool assembly for setting and removing the tools in a tunnel boring machine |
| 04/18/2001 | EP1092836A2 Boring device with a cutting wheel having high pressure nozzles |
| 04/18/2001 | CN1064697C Gel of apolar medium, its use for preparation of water-based drilling fluids |
| 04/05/2001 | WO2001023711A1 Ground reinforcing method |
| 03/28/2001 | EP0979346B1 Method for building a tunnel under an existing construction |
| 03/28/2001 | CN1063826C Supporting structure |
| 03/27/2001 | US6206478 Tunnel excavator with crawler drive and roof support bearing frames |
| 03/22/2001 | DE19944317A1 Cutting chamber at the tunnel cutting face is formed by pressure cushions between the roof shields and the support frames to give a forward movement under pressure without tunnel roof damage |
| 03/21/2001 | EP1085347A2 Apparatus and method for generating seismic vibrations |
| 03/21/2001 | EP1084381A1 Measurement systems |
| 03/21/2001 | EP1084324A1 Roller bit for tunnel-boring machines having replaceable bit points |
| 03/21/2001 | CN1288092A Internal loading actuator for analyzing stability of channel |
| 03/21/2001 | CN1063515C Borehole boring method and machine |
| 03/20/2001 | US6203111 Miner guidance using laser and image analysis |
| 03/15/2001 | DE19944032A1 Vorrichtung und Verfahren zur Erzeugung seismischer Schwingungen Apparatus and method for generating seismic vibrations |
| 03/15/2001 | DE10044507A1 Micro-tunnel boring machine for pipe laying has working cylinder unit at rear of pipe, tubular component at front, tipping section to correct direction, drill head at front of tubular component and sleeve connecting pipe to drill head |
| 03/13/2001 | US6201883 Topography measuring device |
| 02/28/2001 | EP1079066A2 Excavator |
| 02/28/2001 | EP1079064A2 Pressure equalizing ring for connections between drive-in pipes |
| 02/28/2001 | EP1078147A1 Method for boring a tunnel in soft ground or rock with a boring equipment having a boring head |
| 02/28/2001 | CN1285458A Underground excavating construction method of underground structure |
| 02/22/2001 | WO2001012952A1 Tunnel boring method |
| 02/22/2001 | DE19937344C1 Druckausgleichsring Pressure equalization ring |
| 02/15/2001 | WO2001011308A1 Three dimensional multi-phase tunneling method and equipments thereof |
| 02/15/2001 | CA2381231A1 Three dimensional multi-phase tunneling method and equipments thereof |
| 01/31/2001 | EP1072754A2 Ground removing device |
| 01/31/2001 | CN1281933A Mining area roadway support and its process |
| 01/18/2001 | DE10029476A1 Horizontal, subterranean, trenchless drilling head unit |
| 01/17/2001 | EP1069280A1 Method and device for driving a tunnel or gallery and element for their use |
| 01/11/2001 | WO2001002692A1 Jet excavating device |
| 01/11/2001 | DE19925730C1 Pressure drill rod for pressure drilling plant uses hollow drill rod elements for providing light path between target light at drill head and camera at drilling drive end enclosed by fluid channel supplying fluid jets |
| 01/10/2001 | EP1067272A1 Apparatus for forcing pipes in the underground |
| 01/04/2001 | DE19930504A1 Drivage with freeze-boring in mines and tunnels uses double headed machine to drill outer and inner strings into rock leaving outer string and bit to case hole for piping in circulating freeze agent. |
| 01/03/2001 | CN1060248C Method for excavating a working face |
| 12/20/2000 | CN1059729C Tunneler |
| 12/19/2000 | US6161630 Apparatus and method for controlling an underground boring tool |
| 12/14/2000 | WO2000075488A1 Stone head to be mounted on excavator arms |
| 12/13/2000 | EP1059388A2 Road tunnel |
| 12/12/2000 | US6158818 Rock cutting head |
| 11/29/2000 | CN1059012C Technology for quickly resuming normal construction after wellhole submergel by sudden water |
| 11/22/2000 | EP1053385A1 Mounting and switching of survey apparatus |
| 11/08/2000 | CN1272901A Foaming composition |
| 11/08/2000 | CN1058317C Method for excavating tunnel of tunnel borer and material for feeding to excavator head |
| 11/07/2000 | US6142577 Hydraulic muck handling system for tunnel boring machine |
| 11/02/2000 | DE19931839C1 Device for lifting and conveying away waste material from a pipe cutter |
| 10/31/2000 | US6139477 Process for producing slots, grooves, and planar excavations |
| 10/30/2000 | CA2270483A1 Mining or tunnelling survey system and method of operation |
| 10/19/2000 | WO2000061917A1 Method and device for the injection of hardenable compounds in cavities |
| 10/12/2000 | WO2000060214A1 Method and device for determining a previous state of stress for tunneling |
| 10/12/2000 | CA2369020A1 Method and device for determining a previous state of stress for tunneling |
| 10/11/2000 | EP0657006B1 Guided mole |
| 09/19/2000 | CA2153292C Method for excavating a working face |
| 09/13/2000 | EP0741834B1 System, method and cutterhead for dry full-area drilling |
| 09/06/2000 | EP1033473A1 Method and apparatus for feeding a tunnel roof support system from the roof shield of a Tbm |
| 09/06/2000 | EP1033472A1 Method of and device for modifying the clearance gauge of a tunnel |
| 09/06/2000 | EP0528801B1 Pipe bursting and replacement apparatus and method |