| 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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| 03/07/1990 | CN1040247A Cutter bit |
| 03/01/1990 | DE3829531A1 Einrichtung zur kuehlung des kuehlmediums fuer eine vortriebsmaschine und/oder des hydraulischen druckmediums fuer hydraulikantriebe beim hydro-schildvortrieb Means for cooling the kuehlmediums for a boring machine and / or the hydraulic pressure medium for hydraulic drives in hydro-power-shield |
| 03/01/1990 | DE3829481A1 Loading shovel, for example for a selective-cut heading machine |
| 03/01/1990 | DE3829324A1 Underframe extension for suspended monorail systems |
| 02/27/1990 | US4904125 Process for strengthening geological formations |
| 02/27/1990 | US4904115 Method and device for controlling the trajectory of a shield-type tunnelling machine |
| 02/14/1990 | EP0354335A2 Support for a driving shield |
| 02/14/1990 | CN1006821B Shield type tunnel excavator |
| 02/13/1990 | US4900191 Method for removal of broken ground |
| 02/08/1990 | WO1990001106A1 Cutter bit |
| 02/08/1990 | WO1990001105A1 Cutter bit and tip |
| 02/08/1990 | DE3826772A1 Driving apparatus for shield driving or for pipe-jacking operations with a hydraulic conveying arrangement |
| 02/06/1990 | US4898498 Thrust transmitting device |
| 02/06/1990 | US4898496 Apparatus for underground tunneling |
| 02/06/1990 | CA1265582A1 Current sensing alarm arrangement for monitoring the presence of high voltage |
| 02/01/1990 | DE3825811A1 Method and apparatus for the gradual, automatic driving of a pipe section through a through-bore |
| 01/31/1990 | EP0353219A1 Shield tail for a shield tunneling machine and method for sealing the circular gap between the shield tail and lining elements |
| 01/31/1990 | EP0352349A1 Shield tunneling machine |
| 01/23/1990 | CA1264701A1 Tunnelling apparatus |
| 01/17/1990 | CN1006482B Shield tunneling method and assembling and disassembling apparatus for use in practicing method |
| 01/10/1990 | EP0350375A1 Device for the transfer of a tunnelling machine across an intermediate station between two tunnel sections |
| 01/04/1990 | DE3821754A1 Method of driving a tubular, underground cavity, in particular at a great depth, as well as apparatus for carrying out the method |
| 12/28/1989 | WO1989012729A1 Method of forming underground passage and tunnel excavator |
| 12/28/1989 | DE3902567C1 Machine for winning minerals or for driving underground roadways |
| 12/27/1989 | EP0348118A2 Method for boring hole in the ground and apparatus therefor |
| 12/21/1989 | DE3823863A1 Underground-working method with hydraulic conveying and installation for carrying out the method |
| 12/20/1989 | EP0346678A2 Vehicle-supported outfit for earth works, in particular a shovel loader |
| 12/14/1989 | DE3819818A1 Measuring method for surveying the ground in the zone in front of the face during underground driving of tunnel cross-sections |
| 12/13/1989 | EP0345945A1 Method and apparatus for laying pipes in the ground with advance of propulsion shafts installed with pipe-supporting attachments |
| 12/12/1989 | US4886394 Shield tunneling machine |
| 12/06/1989 | EP0344412A1 Process and device for the continuous measuring of the relative height of a long object driven into the earth |
| 12/05/1989 | US4884848 Device and method for exploiting material |
| 11/30/1989 | WO1989011582A1 Articulate shield excavator |
| 11/30/1989 | DE3817004A1 Device for use in the jacking of a construction body through an earth dam or the like |
| 11/29/1989 | EP0343800A2 Apparatus for providing an underground tunnel |
| 11/15/1989 | EP0341500A2 Method for consolidating geological formations |
| 11/14/1989 | US4880334 Tunnel construction apparatus and method |
| 11/09/1989 | DE3813973A1 Shortwall machine for extracting and driving purposes |
| 11/07/1989 | US4878714 Cutting machine for cutting and carrying away material from a work face |
| 11/07/1989 | US4878547 Rock drilling apparatus |
| 11/02/1989 | WO1989010467A1 Method and apparatus for the production of underground pipelines |
| 11/02/1989 | WO1989010466A1 Shuffling quadrishoe tunnel boring machine |
| 11/02/1989 | EP0339333A1 Method and device for cutting and lining tunnels, shafts or the like |
| 11/02/1989 | DE3905737A1 Method of boring galleries, tunnels, caverns and the like - among other things arch profiles - with preferably activated undercutting tools which excavate in a stepped, splitting manner and are fastened to an arm arranged in an articulated and movable manner at the centre point in all directions |
| 10/18/1989 | EP0337680A2 Tunnel construction |
| 10/18/1989 | CN1005494B Shield tunnel excavator |
| 10/17/1989 | US4874268 Method and apparatus for building pipeline and shield tunnelling machine |
| 10/17/1989 | US4874267 Tunnel boring machine |
| 10/05/1989 | DE3810399A1 Support apparatus with vertically pivotable cutting arm |
| 10/05/1989 | DE3810398A1 Apparatus for driving transverse galleries or the like running transversely to a tunnel, in particular connecting galleries between two tunnel tubes running essentially parallel to one another |
| 10/05/1989 | DE3808714A1 Method of constructing a tunnel, in particular a traffic tunnel, and shield driving machine for carrying out the method |
| 09/28/1989 | DE3908540A1 Method of driving an underground space, in particular a roadway or a tunnel |
| 09/27/1989 | EP0334262A1 Method and apparatus for enlarging tunnels |
| 09/27/1989 | EP0333712A1 Drilling and winning installation for mining |
| 09/26/1989 | US4869358 Conveyor belt system for a continuous mining machine |
| 09/26/1989 | CA1261776A1 Materials handling system |
| 09/26/1989 | CA1260253A1 Method of strengthening geological formations |
| 09/20/1989 | EP0333473A2 Micro-tunnelling method |
| 09/20/1989 | EP0332799A1 Method for building large span tunnels by means of a cellular arch |
| 09/20/1989 | EP0246234B1 Method for the consolidation of geological formations |
| 09/19/1989 | US4867255 Technique for steering a downhole hammer |
| 09/12/1989 | US4865390 Continuous mining machine with roof supporting apparatus and method for anchoring crossbeam supports |
| 09/12/1989 | US4865185 Crawler-mounted conveying train |
| 09/07/1989 | DE3741343A1 Tunnel for high-speed vehicles |
| 09/06/1989 | EP0330683A1 Cutting or roller bit |
| 09/05/1989 | US4863313 Method for lining tunnel wall formed by shield excavation |
| 08/30/1989 | EP0329915A1 Shaft for drilling tools, eccentrically arranged and rotatably mounted |
| 08/29/1989 | US4861171 Composite cylindrical roller bearing assembly |
| 08/23/1989 | EP0328608A1 Process and device for subsequent incorporation of an underground seal under a refuse dump |
| 08/17/1989 | DE3803120A1 Method and apparatus for tunnelling under traffic routes, in particular track systems, according to the jacking method |
| 08/10/1989 | WO1989007178A1 Method and device for trench-free laying of pipelines |
| 08/10/1989 | DE3901920A1 Apparatus for high-pressure injection |
| 08/10/1989 | DE3802249A1 Tunnel-driving method |
| 08/08/1989 | US4854776 Process and apparatus for lining a tunnel with concrete |
| 08/03/1989 | DE3900081A1 Loading apparatus for clearing the floor and for adaptation to various cross-sections or floor widths |
| 08/03/1989 | DE3900079A1 Apparatus for removing material won by means of a rotating excavating tool |
| 08/01/1989 | US4852724 Crawler-mounted conveying train |
| 07/26/1989 | EP0324778A1 Boring apparatus |
| 07/19/1989 | EP0324287A1 Pipe burster |
| 07/18/1989 | US4848963 Earth pressure shield |
| 07/13/1989 | DE3844148A1 Apparatus and method for the preliminary cutting of a heading |
| 07/13/1989 | DE3800046A1 Support for a crown kerf |
| 07/12/1989 | CN1033860A Mining machine |
| 07/11/1989 | US4846606 Excavated earth and sand transporting apparatus for use in a shield machine |
| 07/06/1989 | DE3744029A1 Selective cut heading machine |
| 07/04/1989 | US4844656 Earth pressure shield |
| 06/29/1989 | WO1989005897A1 Seal structure for main bearing of tunneling machine |
| 06/29/1989 | DE3743202A1 Control of pipe advances by means of asymmetrical longitudinal prestressing |
| 06/29/1989 | DE3743023A1 Tunnel shield having a device for comminuting material which can no longer be conveyed |
| 06/29/1989 | DE3742439A1 Road-driving machine and the like, in particular dinting machine |
| 06/22/1989 | DE3741954A1 Advance machine for shield advance in tunnel construction in unstable ground and method for shield advance using such a machine |
| 06/22/1989 | DE3741460A1 Driving shield having a device for a fluid support of the face breast |
| 06/15/1989 | DE3740753A1 Tragarmanordnung an teilschnittmaschinen Support arm assembly of partially cut machine |
| 06/14/1989 | EP0319730A1 Tube-driving device |
| 06/14/1989 | EP0319724A1 Thrust transmitting device |
| 06/14/1989 | EP0319667A2 Pipe propelling apparatus |
| 06/13/1989 | US4838615 Apparatus for excavating a recess |
| 06/13/1989 | US4838614 Method of excavation and apparatus therefor |
| 06/08/1989 | DE3740020A1 Short-front machine for working or driving purposes |
| 06/08/1989 | DE3740019A1 Driving shield with a fluid-supported face breast |