| 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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| 11/25/1987 | EP0246886A1 Method of and apparatus for locating a discrete inground boring device |
| 11/25/1987 | EP0246865A2 Method of and apparatus for providing an underground tunnel |
| 11/25/1987 | EP0246234A1 Method for the consolidation of geological formations. |
| 11/25/1987 | CN87203141U Laser chenge-over device |
| 11/24/1987 | CA1229675A1 Device for determining the position of the cutting head of a drift advancing machine or of a winning machine |
| 11/19/1987 | EP0245542A1 Driving shield for forcing prefabricated concrete pipes for driving galleries and tunnels in water-bearing or unconsolidated soil |
| 11/11/1987 | EP0245155A1 Process for carrying out works under railway tracks in operation |
| 11/04/1987 | CN87102875A Collision prevention device for rotary charging plate with universal rotary excavating arm |
| 11/04/1987 | CN85102321A Comprehensive rock-breaking technique for rock tunnel engineering |
| 10/28/1987 | EP0242514A1 Device for adjusting and shifting a loading installation for a winning element |
| 10/22/1987 | DE3712484A1 Einrichtung zum verhindern einer kollision zwischen einer schwenkbaren laderampe und einem allseits schwenkbaren schraemarm Means to prevent a collision between a pivotable loading dock and a well-pivoting cutting arm |
| 10/22/1987 | DE3712483A1 Antriebsanordnung fuer die schraemkoepfe einer schraemmaschine Drive arrangement for the cutting heads a cutting machine |
| 10/22/1987 | DE3613140A1 Transversely deformable tube ring for tunnel tubes which can be jacked |
| 10/21/1987 | EP0242256A1 Process and device for measuring characteristics of geological formations in a horizontal borehole coming from an underground tunnel |
| 10/13/1987 | CA1228081A1 Conveyor belt system for a continuous mining machine |
| 10/13/1987 | CA1228064A1 Pipe propelling device |
| 10/03/1987 | CN86206946U Tunnel drilling vehicle for electric railway |
| 10/01/1987 | DE3610118A1 Method of placing concrete in formwork for constructing a tunnel lining in cast-in-situ concrete, and devices for carrying out the method |
| 10/01/1987 | DE3609791A1 Method of jacking a tubular structure, for example through an earth embankment or the like |
| 09/29/1987 | US4696600 Method and apparatus for modifying the cross-sectional profile of an adit, tunnel or the like |
| 09/24/1987 | DE3622738C1 Screw conveyor device for a road-driving device working underground |
| 09/24/1987 | DE3609557A1 Short-wall machine with aligning rams or the like arranged behind non-return flaps |
| 09/22/1987 | US4695098 Excavator, particularly for continuous strip mining of minerals |
| 09/10/1987 | DE3607696A1 Apparatus for driving circular tunnels and roadways by means of a shearer |
| 09/08/1987 | US4692062 Shield type tunneling machine |
| 09/02/1987 | EP0234762A1 Improvements in or relating to methods of erecting tunnel linings |
| 09/02/1987 | EP0233979A2 Sealing of dumps |
| 08/27/1987 | DE3605448A1 Apparatus for winning and extracting geological formations in underground working |
| 08/26/1987 | CN87100318A Secretly digging method with predisposed roof |
| 08/26/1987 | CN86108772A Shield tunneling method and assembling and disassembling apparatus for use in practicing method |
| 08/25/1987 | US4688937 Methods of, and systems, for monitoring and/or controlling mobile cutting means |
| 08/25/1987 | US4688855 Drift advancing or exploiting machine |
| 08/25/1987 | US4688854 Apparatus for making small-bore tunnels |
| 08/20/1987 | DE3605112A1 Tunnel-driving system |
| 08/12/1987 | EP0231655A1 Shield advancing excavator |
| 08/12/1987 | EP0231404A1 Earth pressure shield |
| 08/06/1987 | DE3603236A1 Method and apparatus for underpassing existing traffic routes, in particular railway lines |
| 07/28/1987 | US4682819 Method and apparatus for drilling hard material |
| 07/23/1987 | DE3601635A1 Selective-cut heading machine for constructing roadways or tunnels |
| 07/16/1987 | DE3613141C1 Method of constructing a longitudinally deformable tunnel by the jacking method and a spacer for carrying out the method |
| 07/16/1987 | DE3605221C1 Ground compactor in front of tunnelling machine - has drill for ground bores in free centre of cutter wheel mounted on spherical bearings |
| 07/09/1987 | DE3600235A1 Arrangement for transporting earth spoil |
| 07/09/1987 | DE3600036A1 Apparatus for cleaning roadway floors, stripping heaving, etc. |
| 07/09/1987 | DE3600035A1 Apparatus for cleaning roadway floors, stripping heaving, etc. |
| 07/02/1987 | DE3614196C1 Combined cutting tool for a heading machine |
| 06/23/1987 | US4674913 Apparatus for construction of continuous article having bores |
| 06/23/1987 | CA1223281A1 Mining machine |
| 06/16/1987 | US4673218 Tunnel excavation method |
| 06/10/1987 | EP0225079A1 Mining machine |
| 06/10/1987 | CN86107156A Process and applying apparatus for movement control of universal turning arm of partial cutting type excavator |
| 06/03/1987 | EP0224084A1 Adjustable charging device |
| 06/02/1987 | US4669785 Cutting machine |
| 06/02/1987 | CA1222494A1 Method for illuminating a spot inside of a tunnel of a high way |
| 05/27/1987 | DE3541674A1 Method of delivering or conveying materials |
| 05/21/1987 | DE3539897A1 Method and arrangement for producing underground structural objects guided rectilinearly in a closed profile, in particular tunnel-like structures under the turf level, by pressing tube elements into the ground |
| 05/19/1987 | US4666336 Method of and apparatus for building thin lining on tunnel |
| 05/19/1987 | CA1221989A1 Cutting machine |
| 05/14/1987 | DE3539324A1 Method of constructing a tunnel |
| 05/13/1987 | EP0221886A1 Method for controlling the movement of a three-dimensionally pivotable shearer arm of a partial section shearing machine, and device for carrying out the method |
| 05/13/1987 | EP0221883A1 Device for preventing the collision of a loading apron of a shearing machine with its slewing boom or its loosening tool |
| 05/13/1987 | EP0221882A1 Device to protect from collision the loader and/or the boom of a cutting machine |
| 05/12/1987 | US4664449 Drift advancing or mining machine |
| 05/12/1987 | CA1221552A1 Pipe laying and replacement |
| 05/07/1987 | DE3636907A1 Cutter-shield driving apparatus |
| 05/05/1987 | US4662685 Device for sealing a drift cross section driven by means of a cutting machine |
| 05/05/1987 | US4662606 Pipe propelling device |
| 04/29/1987 | EP0219598A1 Support underneath refuse deposits |
| 04/23/1987 | DE3537379A1 Tunnel boring machine |
| 04/23/1987 | DE3537339A1 Apparatus for re-ripping roadways or the like in underground mine operation |
| 04/22/1987 | EP0219487A1 Method of controlling the motion of an all over swivelling cutter boom and control device for carrying out the method |
| 04/22/1987 | EP0219486A1 Shield-tunnelling machine |
| 04/22/1987 | CN86107020A Control method and device for rotatable universal slitting motion |
| 04/21/1987 | CA1220640A1 Method and apparatus for thrusting a shield for use in tunneling |
| 04/08/1987 | EP0217782A1 Device for detecting the position of a coal cutting machine or a cutting head in relation to a gallery |
| 04/07/1987 | US4655507 Mobile mining machine |
| 04/07/1987 | US4655493 Shield tunneling machine |
| 04/02/1987 | DE3605062A1 Sealing of landfill sites |
| 03/24/1987 | US4652174 Method of forming underground ducts, conduits and the like |
| 03/17/1987 | US4650374 Apparatus for driving pipes through the ground |
| 03/12/1987 | DE3531162A1 Expandable cutter shield |
| 03/03/1987 | US4647256 Method and apparatus for producing underground pipes |
| 03/03/1987 | US4647112 Rotary cutter for gouging out ore from mine faces |
| 02/24/1987 | US4645378 Movable form front for a tunnel-lining form |
| 02/24/1987 | US4645266 Tunnel and gallery excavator |
| 02/24/1987 | CA1218388A1 Mobile mining machine and method |
| 02/12/1987 | WO1987000885A1 Device for working out drifts in hard rock |
| 02/10/1987 | US4641889 Cutting machine |
| 02/10/1987 | US4641888 Material gathering device for a mining machine |
| 02/05/1987 | DE3526558A1 Heading machine for arched roadways |
| 02/05/1987 | DE3526205A1 Method and apparatus for driving and lining an underground tunnel or gallery |
| 02/03/1987 | US4640646 Apparatus for the construction of tunnels and shafts |
| 02/03/1987 | CA1217512A1 Tunnel or road header |
| 01/29/1987 | DE3621884A1 Method for constructing and/or driving pipes |
| 01/29/1987 | DE3539765C1 Sealing arrangement between a shield tail and a tunnel lining during tunnel driving |
| 01/29/1987 | DE3537780A1 Apparatus for constructing galleries or tunnels by shield driving |
| 01/27/1987 | CA1217066A1 Tunnelling and tunnel relining equipment |
| 01/21/1987 | EP0208816A1 Tunnel boring machine |
| 01/20/1987 | US4637657 Tunnel boring machine |
| 01/15/1987 | WO1987000237A1 Materials handling system |
| 01/13/1987 | US4636113 Landing adjustment system for offshore structures |