| 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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| 06/08/1989 | DE3739685A1 Tunnel for high-speed vehicles |
| 06/07/1989 | EP0319527A2 Apparatus for providing an underground tunnel |
| 06/06/1989 | US4836714 Enclosed structures of very large cross-section, such as conduits, silos or shelters |
| 06/01/1989 | DE3739316A1 Method of constructing tunnels of large cross-section, e.g. railway tunnels |
| 06/01/1989 | DE3739110A1 Motor fastening for selective-cut heading machines |
| 05/31/1989 | EP0318471A1 Pitch angle monitoring arrangement |
| 05/31/1989 | EP0318285A1 Mining machine |
| 05/31/1989 | EP0317824A2 Machine and method for continuously cutting and conveying rock |
| 05/30/1989 | US4834580 Method and device for driving a tunnel |
| 05/24/1989 | EP0316747A2 Method and apparatus for building pipeline |
| 05/24/1989 | EP0316448A1 Control unit for underground excavators |
| 05/24/1989 | DE3738802A1 Teilschnittmaschine zum vortreiben von strecken oder tunnels Stretch roadheader to propel from or tunnels |
| 05/24/1989 | DE3738605A1 Loading device, in particular for selective-cut heading machines |
| 05/24/1989 | DE3738438A1 Shortwall machine for winning and driving purposes |
| 05/18/1989 | DE3737864A1 Cutting head of a road-driving or winning machine |
| 05/17/1989 | EP0315743A1 Method for making a tunnel or gallery, and tunneling machine for carrying out the method |
| 05/16/1989 | US4830539 Pipe propelling apparatus |
| 05/16/1989 | US4830535 Knife shield driving device and method for the excavating and/or final supporting of galleries or the like |
| 05/09/1989 | CA1253706A1 Process and apparatus for continuously lining a tunnel with extruded concrete |
| 05/03/1989 | CN1004091B Method laying down cover wall in tunnel and equipment thereof |
| 04/27/1989 | DE3826268A1 Method of constructing a tunnel or gallery in friable or non-cohesive rock |
| 04/20/1989 | DE3734350A1 Cutter head for selective-cut heading machine |
| 04/18/1989 | US4821815 Technique for providing an underground tunnel utilizing a powered boring device |
| 04/13/1989 | DE3733553A1 Apparatus for controlling a shield driving machine |
| 04/13/1989 | DE3733520A1 Safety dam for the drivage of underwater tunnels in compressed air |
| 04/11/1989 | US4820458 Process for continuously lining a tunnel with extruded concrete |
| 04/06/1989 | DE3732261A1 Method of constructing a tunnel and shield driving machine for carrying out the method |
| 04/06/1989 | DE3731403A1 Swivelling mechanism for selective-cut heading machines |
| 04/05/1989 | EP0309739A2 Method for constructing a tunnel with little earth cover under railway tracks or the like |
| 04/04/1989 | US4818026 Shield type tunneling apparatus |
| 04/04/1989 | US4818025 Narrow opening mechanical miner |
| 03/28/1989 | US4815695 Pipe propelling device |
| 03/23/1989 | WO1989002513A1 Drilling and winning installation for mining |
| 03/21/1989 | US4813813 Method for constructing a tunnel |
| 03/21/1989 | US4813749 Pilot operated stepping directional valve and method for single line operation |
| 03/09/1989 | WO1989002009A1 Process and device for subsequent incorporation of an underground seal under a refuse dump |
| 03/09/1989 | DE3729006A1 Rotating radially beating rollers, balls or the like for removing/milling of rock or other materials |
| 03/08/1989 | EP0305835A1 Device for the production of underground piercings |
| 03/08/1989 | EP0305834A2 Process and apparatus for making a duct in an underground borehole |
| 03/08/1989 | EP0305415A1 Mobile pump installation. |
| 02/28/1989 | US4808032 Thrust pipe |
| 02/28/1989 | US4808030 Shield tunneling method and assembling and disassembling apparatus for use in practicing the method |
| 02/23/1989 | DE3827441A1 Shield driving method for a tunnel |
| 02/22/1989 | EP0303950A2 Process for the solidification of geologic formations |
| 02/22/1989 | EP0303775A1 Method for making a tunnel by using a driving shield |
| 02/21/1989 | US4806869 An above-ground arrangement for and method of locating a discrete in ground boring device |
| 02/21/1989 | US4805963 Shield advancing machine |
| 02/16/1989 | DE3725963A1 Method and apparatus for constructing a concrete foundation in the earth, in particular in a built-up area |
| 02/14/1989 | US4804295 Shielded tunnel excavator |
| 02/08/1989 | CN1030960A 采掘机 Mining machine |
| 02/01/1989 | CN1030810A Circular heading machine |
| 01/31/1989 | US4801222 Pressure-tight pipe connection for a driven pipeline |
| 01/26/1989 | DE3823762A1 Motoranordnung fuer den antrieb der abbauwerkzeuge einer streckenvortriebs- und gewinnungsmaschine Motor assembly for the drive of a degrading tools excavation and mining machine |
| 01/25/1989 | EP0300159A1 Method and device for lining a tunnel with concrete cast in situ |
| 01/24/1989 | US4799824 Method of making covering wall of tunnel made by shield type excavator |
| 01/18/1989 | EP0299952A1 Process for driving on a tunnel and shield tunneling machine for carrying out the same |
| 01/18/1989 | EP0299133A1 Method for tunnel driving and device for carrying out the method |
| 01/12/1989 | WO1989000236A1 Selectively phased water supply of a cutter head |
| 01/12/1989 | WO1989000235A1 Cutting or roller bit |
| 01/10/1989 | US4796956 Machine for driving workings in hard rocks |
| 01/05/1989 | DE3820264A1 Antriebsanordnung fuer die schraemkoepfe oder -walzen einer vortriebs- oder gewinnungsmaschine Drive arrangement for the cutting heads or rolls of a heading or extraction machine |
| 01/04/1989 | EP0199771B1 Partial boring machine for cutting to a precise profile an arc-shaped longitudinal cross-section |
| 01/03/1989 | US4794791 Method and device for making measurements characterizing geological formations, in a horizontal borehole formed from an underground way |
| 12/28/1988 | CN88103728A Driving arrangement for cutting heads or rolls of advancing or mining machine |
| 12/28/1988 | CN87105328A Earthguard cover |
| 12/27/1988 | US4793736 Method and apparatus for continuously boring and lining tunnels and other like structures |
| 12/27/1988 | US4793427 Disc cutters for rock working machines |
| 12/15/1988 | DE3717874A1 Shortwall machine, in particular a dinting machine |
| 12/01/1988 | WO1988009426A1 Circular heading machine |
| 12/01/1988 | DE3725710A1 Structure-forming method under existing one - involves welding additional panels to sheet steel overhead strip as work progresses |
| 12/01/1988 | DE3716668C1 Mit einer Winde ausgeruesteter Walzenlader des Untertagebetriebes Using a jack equipped shearer of underground operation |
| 11/22/1988 | US4786178 Apparatus and method for detecting the position and orientation of a reference beam of light |
| 11/22/1988 | US4786112 Driving arrangement for driving the cutting rolls of a drift advancing machine |
| 11/17/1988 | DE3714841A1 Apparatus for controlling the working cylinders during the driving of underground structures and the like, in particular for controlling the hydraulic advance jacks during shield driving |
| 11/15/1988 | US4784439 Movable cutting machine |
| 11/15/1988 | US4784438 Tunneling machine rotatable member |
| 11/08/1988 | US4783123 Tool bit for impact ripping of a mine face |
| 11/08/1988 | CA1244490A1 Head intake for tunnelling machine |
| 11/02/1988 | EP0289107A2 Wellhead seal assembly |
| 11/02/1988 | EP0288707A1 Earth pressure shield |
| 10/27/1988 | DE3711647A1 Boring-head seal for a boring head mounted in a driving shield |
| 10/19/1988 | EP0287460A1 Method and device for the directional control of a shield-tunnelling machine |
| 10/18/1988 | US4778220 Tunnel driving apparatus |
| 10/13/1988 | DE3710171A1 Winning machine for minerals, in particular for hard rock |
| 10/11/1988 | US4776445 Device for transferring the cup heap of debris onto a drift conveying means |
| 10/06/1988 | DE3710285A1 Apparatus for extracting contaminated earth |
| 09/27/1988 | US4774470 Shield tunneling system capable of electromagnetically detecting and displaying conditions of ground therearound |
| 09/27/1988 | US4773520 Steering apparatus for a tramming conveyor |
| 09/27/1988 | CA1242462A1 Machine for driving workings in hard rocks |
| 09/22/1988 | WO1988007124A1 Process for drilling minerals |
| 09/20/1988 | US4771881 Materials handling system |
| 09/15/1988 | DE3706755A1 Drilling head of a horizontal driving machine for controlled line-tunnel construction in the non-man-sized diameter range |
| 09/14/1988 | EP0282416A1 Cutting machine with a cutter head movebly mounted on an arched guide oblique to its axis |
| 09/13/1988 | US4770469 Process for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine as well as apparatus for performing this process |
| 09/13/1988 | US4770085 Hydraulic jack |
| 09/13/1988 | CA1241974A1 Shield type tunneling machine |
| 09/08/1988 | DE3715721A1 Method and device for reducing compressed-air losses in a working chamber of a shield driving machine travelling in overlap |
| 09/06/1988 | US4768898 Process and apparatus for continuously lining a tunnel with extruded concrete |
| 09/06/1988 | CA1241671A1 Shield tunneling machine |
| 09/01/1988 | DE3715720A1 Use of sealing materials for reducing compressed-air losses in mine tunnelling |