| 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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| 09/01/1988 | DE3705095A1 Method for sealing off the subsoil, especially for sealing off the face, in compressed-air driving by means of a bentonite suspension and apparatus for carrying out the method |
| 08/31/1988 | CN87107639A Active floor sinking loader bucket |
| 08/30/1988 | US4767253 Tunnel cleaning train |
| 08/30/1988 | US4767236 Sewer renovation by expanding a liner within the sewer and placing a new pipe within the expanded liner |
| 08/25/1988 | WO1988006211A1 Mobile pump installation |
| 08/23/1988 | CA1240845A1 Method of and apparatus for concrete tunnel lining |
| 08/18/1988 | DE3703580A1 Driving tube and process for producing a tunnel in underground shield driving |
| 08/17/1988 | EP0278078A1 Plant for producing an elongate structure |
| 08/04/1988 | DE3702254A1 Method of constructing a tunnel under a stretch of water |
| 08/03/1988 | EP0276374A1 Steering apparatus for a tramming conveyor |
| 07/28/1988 | DE3701064A1 Apparatus for driving a gate road accompanying a winning face and for conveying the broken material discharged from the face conveyor onto a roadway conveyor |
| 07/26/1988 | US4760513 Resultant velocity control for members capable of being driven in two component directions simultaneously |
| 07/20/1988 | CN87108025A Steering apparatus for tramming conveyor |
| 07/19/1988 | US4758049 Apparatus for the underground operation of a movable mining machine |
| 07/14/1988 | WO1988005117A1 Ring cutter for tunnel and shaft drilling in rock |
| 07/06/1988 | EP0273441A2 Process for discharging spoils |
| 07/06/1988 | EP0273104A1 Joint pack ring |
| 07/05/1988 | US4755805 Current sensing alarm arrangement for monitoring the presence of high voltage |
| 07/05/1988 | US4755002 Mining machine |
| 06/29/1988 | EP0272859A1 A tunnel boring machine |
| 06/22/1988 | EP0271584A1 Apparatus for sending earth and sand under pressure |
| 06/22/1988 | CN87100318B Secretly digging method with predisposed roof |
| 06/21/1988 | US4751965 Wellhead seal assembly |
| 06/16/1988 | WO1988004354A1 Mining device |
| 06/16/1988 | DE3641636A1 Shield tunnelling device |
| 06/15/1988 | CN87213635U Monitor for top pipe deviation correcting |
| 06/13/1988 | EP0263106A4 Materials handling system. |
| 06/08/1988 | EP0270522A2 Device for mining a material |
| 06/07/1988 | US4749194 In below ground mining and tunneling applications |
| 06/07/1988 | CA1237741A1 Wear-parts system |
| 06/07/1988 | CA1237635A1 Process and apparatus for vibratory operation of a working piston |
| 06/02/1988 | WO1988003985A1 Cutting machine |
| 06/01/1988 | DE3639891A1 Method of producing a pipe injection screen above tunnels and apparatus for carrying out the method |
| 05/26/1988 | DE3640007A1 Selective-cut heading machine |
| 05/25/1988 | EP0268568A1 Method and device for driving a tunnel |
| 05/25/1988 | EP0268188A1 Shielded tunnel excavator |
| 05/25/1988 | EP0185713B1 Method and device for modifying the cross-section of a gallery, a tunnel or the like |
| 05/24/1988 | US4746169 Apparatus for excavating passages |
| 05/19/1988 | WO1988003598A1 Tunnel or sewer lining system |
| 05/11/1988 | EP0267181A1 Device for determining the position of a mining machine |
| 05/11/1988 | DE3633350C1 Method of supplying compressed air to the working chamber and the personnel and materials lock of a manhole cylinder and device for carrying out the method |
| 05/11/1988 | CN86108364A Method laying down cover wall in the tunnel dug by shield type tunneller, and applied template module |
| 04/14/1988 | DE3633658A1 Advancing and control mechanism for a shortwall machine |
| 04/13/1988 | EP0263106A1 Materials handling system |
| 04/13/1988 | CN87106795A Boring apparatus |
| 04/12/1988 | CA1235150A1 Circular heading machine |
| 04/07/1988 | WO1988002435A1 Boring apparatus |
| 04/07/1988 | DE3632189A1 Pressure tunnel |
| 04/06/1988 | EP0263095A1 Cutting wheel for a shield-tunnelling machine |
| 03/29/1988 | CA1234587A1 Shield tunneling machine |
| 03/24/1988 | WO1988001679A3 Process and device for lining and securing a subterranean hollow space opened by the shield-driving method |
| 03/22/1988 | US4732427 Head intake for tunnelling machine |
| 03/17/1988 | DE3630868A1 Air-duct suspension on a selective-cut heading machine |
| 03/17/1988 | DE3630149A1 Driving shield with erector mounted therein |
| 03/10/1988 | WO1988001679A2 Process and device for lining and securing a subterranean hollow space opened by the shield-driving method |
| 03/10/1988 | DE3629729A1 Cutter-shield driving apparatus |
| 03/09/1988 | EP0258905A1 Process and device for lining and securing an underground cavern made by using a driving shield |
| 03/09/1988 | EP0258700A1 Device for driving a tunnel with drive cutters supported by frames |
| 03/09/1988 | EP0258699A1 Cutter drive shield and method for driving and/or lining tunnels or the like |
| 03/08/1988 | US4729693 Tunnel excavator |
| 03/03/1988 | DE3726846A1 Method and apparatus for the excavation and/or complete support of galleries or the like |
| 03/03/1988 | DE3629133C1 Method of carrying out an underground repair to a shield-tail seal, subdivided into sections, in a tunnel tube lined with tubbing sections, as well as tubbing for carrying out the method |
| 03/02/1988 | EP0257652A1 Method of and device for driving a coal winning gallery partly in the footwall of a seam |
| 03/02/1988 | EP0257287A1 Pressure-sealed pipe joint for a driving pipe made of steel |
| 02/25/1988 | DE3628180A1 Advancing and swivelling apparatus for a short-wall machine |
| 02/25/1988 | DE3628028A1 Tunnelling machine with RAM-operated shield - has trailing unit turned, pivoted and movable vertically and sideways |
| 02/18/1988 | DE3627273A1 Pick arrangement on the cutting head of a tunnel-driving machine or the like |
| 02/18/1988 | DE3627272A1 Driving shield, in particular for driving with a heading face supported by earth pressure, with mixing arms arranged on a driven cutting wheel or the like |
| 02/18/1988 | DE3627270A1 Driving shield, in particular for driving with a heading face supported by earth pressure, with a screw conveyor for the earth moving |
| 02/17/1988 | CN87105404A Excavating machine for driving mining of mine |
| 02/11/1988 | WO1988001012A1 Control unit for underground excavators |
| 02/11/1988 | DE3626543C1 Selective-cut heading machine for roadways and tunnels |
| 02/11/1988 | DE3626538A1 Heading machine for a winning gallery |
| 02/09/1988 | CA1232621A1 Process and apparatus for cutting rock |
| 01/28/1988 | DE3723427A1 Shield driving machine |
| 01/28/1988 | DE3624962A1 Headway drive, especially tunnel drive |
| 01/28/1988 | DE3623553A1 Earth-pressure shield |
| 01/26/1988 | US4721340 Process for controlling the movement of an universally swivellable cutting arm as well as control device for performing this process |
| 01/26/1988 | CA1231986A1 Mobile cutting machines |
| 01/21/1988 | DE3621496A1 Method for reducing compressed-air losses when driving underground, compressed-air-supported cavities and device for carrying out the method |
| 01/20/1988 | EP0253477A1 Arrangement for the detection of high voltages |
| 01/20/1988 | EP0253051A1 Method for constructing a tunnel |
| 01/19/1988 | CA1231729A1 Method and apparatus for drilling hard material |
| 01/07/1988 | EP0251775A2 Alpha-aryl-alpha-phenylethyl-1H-1,2,4-triazole-1-propanenitriles |
| 01/07/1988 | EP0251607A2 Sewer renovation |
| 01/07/1988 | EP0250750A1 Transferring device for mined material, particularly for open cast machines |
| 01/07/1988 | EP0153935B1 Circular heading machine |
| 01/07/1988 | EP0153332B1 Method and device for the vibratory operation of a working piston, particularly for working tools |
| 01/07/1988 | DE3622276A1 Method and device for carrying out shield tunnelling while maintaining pressure in the working excavation (district) in particular for the purpose of erecting tunnel works |
| 01/07/1988 | DE3622267A1 Production equipment (handling device, hauling installation) for a road-driving machine for tunnels and roadways (galleries) |
| 12/29/1987 | US4715746 Method of strengthening geological formations |
| 12/29/1987 | US4715265 Process and apparatus for vibratory operation of a working piston, in particular for active working tools |
| 12/22/1987 | US4714118 Technique for steering and monitoring the orientation of a powered underground boring device |
| 12/17/1987 | DE3621019A1 Method for producing a tunnel structure |
| 12/08/1987 | US4711502 Apparatus for cutting excavations having a substantially planar face |
| 12/03/1987 | WO1987007317A1 Apparatus for sending earth and sand under pressure |
| 12/02/1987 | EP0247799A1 Method of and apparatus for providing an underground tunnel |
| 12/02/1987 | EP0247496A2 Drive-in tube |
| 12/01/1987 | US4710058 Concrete lining machine |
| 12/01/1987 | CA1229853A1 Process for spraying the bits and/or facing with pressurized liquid as well as apparatus for performing this process |