| 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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| 05/09/1995 | CA2036390C A pipe joint for driving pipes laid underground by the driving technique |
| 05/03/1995 | EP0651134A1 Device for monitoring collapse of natural ground in underground excavator |
| 05/02/1995 | CA2073669C Method and apparatus for controlling direction of excavating machine |
| 04/27/1995 | DE4336127A1 Loading and conveying arrangement for mining and tunnelling |
| 04/26/1995 | EP0649973A2 Hydraulic excavator for shield tunneling machine |
| 04/26/1995 | EP0393197B1 Method of building underground cavern and tunnelling machine |
| 04/19/1995 | EP0481077B1 Device for measuring position of underground excavator |
| 04/18/1995 | US5407252 Method and apparatus for scaling mine roofs and ribs |
| 04/12/1995 | EP0647740A1 Method and apparatus for making a lined trench in the soil; as well as a lined trench |
| 04/11/1995 | CA1335207C Shuffling quadrishoe tunnel boring machine |
| 04/05/1995 | EP0646216A1 Stabilizing compositions and methods for stabilizing subterranean formations. |
| 03/30/1995 | WO1995008691A1 Disc cutter |
| 03/30/1995 | DE4409049C1 Method of replacing the supporting liquid by compressed air and use of a hydraulic shield for carrying out the method |
| 03/30/1995 | DE4343383C1 Device for measuring the shield tail air |
| 03/30/1995 | DE4333032A1 Arrangement for determining the position and orientation of a tunnel driving machine |
| 03/23/1995 | DE4332113A1 Boring implement for making bores in earth with different soil classes |
| 03/22/1995 | EP0393187B1 Method and apparatus for connecting halves of shield tunnel under ground |
| 03/22/1995 | CN1100493A method for laying well and pipe line directly on top pipe line |
| 03/21/1995 | CA2102349A1 Disc cutter |
| 03/08/1995 | CN1027827C Mining machine with roof bolting attachment |
| 03/02/1995 | WO1995006187A1 Cutter head device for propeller of small diameter pipe |
| 03/02/1995 | DE4328863A1 Mining apparatus for underground mining |
| 03/01/1995 | EP0640744A2 Reinforced steel concrete section tube |
| 02/28/1995 | US5393172 Shield tunneling machine |
| 02/22/1995 | EP0639690A1 Double wall pipe for propulsion technique and construction of pipe end of leading pipe |
| 02/21/1995 | CA1334482C Method and apparatus for production of underground pipelines |
| 02/15/1995 | EP0638878A1 Location system |
| 02/14/1995 | CA1334340C Method for building large span tunnels by means of a cellular arch |
| 02/09/1995 | DE4408992C1 Shield driving machine |
| 02/07/1995 | CA2103504A1 Location system |
| 01/26/1995 | DE4326880C1 Method of driving an underground cavity |
| 01/17/1995 | US5382114 Tunnel excavation apparatus |
| 01/11/1995 | EP0428599B1 Cutter bit |
| 01/11/1995 | EP0425552B1 Cutter bit and tip |
| 01/05/1995 | DE4335753C1 Hydraulically driven mining excavator for a driving apparatus for underground driving |
| 01/05/1995 | DE4321154A1 Injection process for sealing porous and/or fissured/fractured rock |
| 12/28/1994 | EP0631033A1 Device for fixing cutting disks in a tunnel excavator |
| 12/28/1994 | EP0631032A1 Whole front face tunneling machine |
| 12/06/1994 | US5370479 Shielding apparatus |
| 12/01/1994 | DE4317516A1 Trackless spoil-car system for material transport in a pipe profile section |
| 12/01/1994 | DE4317515A1 Circular-profile driving apparatus |
| 12/01/1994 | DE4310314A1 Tunnelling system |
| 11/30/1994 | EP0309494B1 Apparatus for cutting minerals |
| 11/24/1994 | WO1994027028A1 Earth dumping control device for a small diameter pipe propelling machine |
| 11/17/1994 | EP0624714A2 Tunnel liner, its fabrication method, and its fabrication apparatus |
| 11/16/1994 | CN1026606C Tunnel supporting method for driving tunnel underwell |
| 11/16/1994 | CN1026605C Tunnel supporting method for recovering working-face support and equipment |
| 11/15/1994 | US5363926 Device for detecting inclination of boring head of boring tool |
| 11/10/1994 | DE4315196A1 Tunnelling machine |
| 11/09/1994 | CN1094785A Dead-weight balanced cantilever-shed frame method |
| 11/03/1994 | DE4331237C1 Supply arrangement for rock-consolidation agent with reusable containers |
| 11/02/1994 | EP0622524A1 System for measuring excavation position of underground excavator |
| 11/01/1994 | US5360260 Tunneling machine with radially sweeping tool carriers |
| 10/27/1994 | WO1994024416A1 Tunnelling machine |
| 10/25/1994 | CA2021203C Direction correcting device for shield tunnelling machine |
| 10/20/1994 | DE4312588A1 Heading machine |
| 10/11/1994 | CA1332430C Loading system for clearing the floor in a mine shaft |
| 09/28/1994 | EP0617197A1 A method for controlling the direction of a shield tunnelling machine and an apparatus therefor |
| 09/27/1994 | US5350254 Guided mole |
| 09/27/1994 | CA1332179C Cutter bit and tip |
| 09/21/1994 | EP0615571A1 Methods of manufacturing a hub for use in a cutter of a boring head. |
| 09/15/1994 | WO1994020730A1 Double wall pipe for propulsion technique and construction of pipe end of leading pipe |
| 09/15/1994 | DE4307196A1 Jointing mortar for the construction of cross-sectional seals in salt |
| 09/13/1994 | US5346331 Shield tail sealing |
| 09/01/1994 | DE4305701A1 Shield tunnelling machine |
| 08/31/1994 | EP0612971A1 Method and apparatus for charging bore-holes with explosive |
| 08/30/1994 | US5342149 Long hole chemical grout injector system |
| 08/30/1994 | US5341889 Ring clamp for a cutter ring in a tunnel drilling machine |
| 08/24/1994 | EP0611875A1 Forward thrust pipeline and corresponding forward thrust pipe |
| 08/24/1994 | EP0611848A1 Process for the construction of structures under an embankment of a railroad or the like |
| 08/23/1994 | US5340199 Method and machine for excavating drifts, tunnels, stopes, caverns or the like |
| 08/16/1994 | US5339241 Method and system for controlling a travelling body so as to move forward along the predetermined route of the movement of travelling body |
| 08/16/1994 | US5338104 Auxiliary cutter for a mining machine having coaxial cutter drums |
| 08/04/1994 | WO1994017282A1 A transport device for use in driving tunnels with a tunnel boring machine |
| 08/03/1994 | EP0524226B1 Injection bore anchor with conveyor screw |
| 08/03/1994 | EP0462151B1 Aqueous resin preparations for consolidating rock and filling cavities and process therefor |
| 08/02/1994 | US5333937 Excavation machine having combined impact hammers and static ripper pick |
| 08/02/1994 | US5333936 Low profile mining machine having a cutter mounted on a slidable carriage |
| 07/28/1994 | DE4317859C1 Tunnelling machine with swinging cutter drums |
| 07/26/1994 | CA2042048C Method and apparatus for laying pipe |
| 07/26/1994 | CA1331025C Non-circular profile tunnelling machine with controlled eccentric secondary cutters |
| 07/21/1994 | DE4243353A1 Propulsion tube connection for underground shield drive |
| 07/20/1994 | EP0607053A1 Improvements in and relating to sealing compositions |
| 07/20/1994 | EP0524223B1 Injection drilling anchor |
| 07/19/1994 | US5330292 System and method for transmitting and calculating data in shield machine |
| 07/16/1994 | CA2113489A1 Improvements in and relating to sealing compositions |
| 07/13/1994 | EP0551273B1 Method and machine for excavating drifts, tunnels, stopes, caverns or the like |
| 07/13/1994 | EP0497802B1 Method for the mounting of underground pipelines |
| 07/06/1994 | CN1025356C Shield tunnelling machine |
| 06/28/1994 | US5324139 Method for the construction of long tunnel with a lining |
| 06/22/1994 | EP0603024A1 Process for construction of transversal passages under rail or roadways |
| 06/22/1994 | EP0602753A1 Cutting disk for rock and similar materials |
| 06/22/1994 | EP0333712B1 Drilling and winning installation for mining |
| 06/21/1994 | US5322392 Process for rock consolidation and/or cavity filling e.g. in tunnel construction and mining |
| 06/21/1994 | US5322391 Guided mole |
| 06/21/1994 | US5322134 Drill head |
| 06/09/1994 | DE4240297A1 Rock boring machine for making tunnel - has cutting head mounted rotatably on boring shield and conveyor device for removal of broken down spoil, together with pump hydraulically driven integrated directly in tunnel shield |
| 05/25/1994 | EP0598139A1 Control apparatus for excavators |
| 05/24/1994 | CA2015497C Intermediate pipe-jacking apparatus |
| 05/18/1994 | CN1086874A Underground fast traffic net structure |