| 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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| 07/24/1996 | CN1127322A Hydraulic mining excavator |
| 07/23/1996 | US5538362 Shield excavator |
| 07/10/1996 | EP0720682A1 Disc cutter |
| 07/03/1996 | EP0493597B1 Device for fixing disk cutter to tunnel excavator |
| 06/27/1996 | WO1996019639A1 Automatic control of a machine used for excavating drifts, tunnels, stopes, caverns or the like |
| 06/26/1996 | EP0718465A1 Magnetic field producing cable for an underground excavator |
| 06/25/1996 | US5529437 Guidance system and method for keeping a tunnel boring machine continuously on a plan line |
| 06/20/1996 | WO1996018802A1 Material and method for lubricating the metal surfaces of an earth-pressure tunnel boring machine |
| 06/20/1996 | CA2138461A1 Automatic control of a machine used for excavating drifts, tunnels, stopes, caverns or the like |
| 06/18/1996 | US5527099 Tunnel boring machine anchor shoe structure and process of operating a tunnel boring machine having such anchor shoe structure |
| 06/11/1996 | USRE35271 Pipe bursting and replacement apparatus |
| 06/06/1996 | WO1996017155A1 Drilling and setting device for anchoring bolts |
| 06/05/1996 | EP0715057A1 Lead pipe configuration for underground pipe laying |
| 06/05/1996 | EP0714978A1 Gel of a non-polar medium, and its use for preparing water-based drilling fluids |
| 06/05/1996 | CN1123862A Method and apparatus for exploration of earth layer in front of digging machine |
| 05/29/1996 | EP0713955A2 Shield tunnel boring machine |
| 05/23/1996 | WO1996015354A1 Machine for driving sections, tunnels or the like and correction process |
| 05/23/1996 | WO1996015353A1 Tunnel drilling machine |
| 05/15/1996 | DE4440261A1 Maschine zum Vortreiben von Strecken, Tunneln o. dgl. und Korrekturverfahren Machine for propelling routes, tunnels o. The like. And correction methods |
| 05/14/1996 | CA2028659C Shield tunnelling machine |
| 05/09/1996 | WO1996013649A1 System, method and cutterhead for dry full-area drilling |
| 05/09/1996 | DE4439865A1 Advancing shield machine for tunnelling |
| 05/09/1996 | DE4439601A1 Direction control for underground cutting machine |
| 05/09/1996 | CA2182605A1 System, method and cutterhead for dry full-area drilling |
| 04/30/1996 | CA1338281C Tunnel construction apparatus and method |
| 04/25/1996 | DE19511675C1 Levelling system for tunnelling beneath railway track |
| 04/18/1996 | DE19538215A1 Pipeline renovation device |
| 04/17/1996 | EP0595934B1 Radial-control unit for the cutters of a tunnelling shield |
| 04/16/1996 | US5507355 Cutter of a boring head, hub for the cutter and method of manufacturing such a hub |
| 04/10/1996 | CN1120114A Method for excavating a working face |
| 04/04/1996 | DE4434758C1 Mechanically and chemical stable seal for cavity in rock salt formation |
| 04/03/1996 | EP0704600A2 Method and apparatus for increasing the tunnel profile by using a tunneling advancing machine |
| 03/27/1996 | EP0580585B1 Tunnel-driving machine |
| 03/26/1996 | US5501548 Method for controlling the direction of a shield tunneling machine and an apparatus therefor |
| 03/21/1996 | DE4432954A1 Rail tunnel arranged as three=tube system |
| 03/20/1996 | EP0470253B1 Earth pressure system shield process |
| 03/13/1996 | EP0542942B1 Driving shield with hydraulically supported facing, and a device for providing temporary mechanical support |
| 03/06/1996 | EP0699823A1 Earth dumping control device for a small diameter pipe propelling machine |
| 02/29/1996 | WO1996006264A1 Method and apparatus for steering a drill head |
| 02/28/1996 | EP0585222B1 Injection means |
| 02/21/1996 | EP0697604A1 Method and system for ground recognition in front of an excavating machine |
| 02/15/1996 | WO1996004465A1 Driving shield |
| 02/14/1996 | EP0696673A2 Cutting machine to precut a gallery vault |
| 02/08/1996 | WO1996003570A1 Driving shield |
| 02/01/1996 | DE4426497A1 Vortriebsschild The shield |
| 01/31/1996 | EP0523093B1 Ring clamp for a cutter ring in a tunnel drilling machine |
| 01/17/1996 | EP0692612A2 Method for drilling with a drilling tool having an eccentrical mounted shaft |
| 01/17/1996 | EP0692611A2 Method for excavating a working face |
| 01/17/1996 | EP0692606A1 Method for lining a tunnel |
| 01/17/1996 | EP0494196B1 Tunnel drilling apparatus and method to remove drill waste |
| 01/10/1996 | EP0484473B1 Drill head with nozzles |
| 01/08/1996 | WO1996023128A1 Levelling rail |
| 12/27/1995 | EP0414753B1 Shuffling quadrishoe tunnel boring machine |
| 12/26/1995 | US5478385 Mixing petroleum wax, hydrogenated oils of vegetable, animal or fish, fat or grease, polyisobutylene, lipophilic emulsifier thickeners, gellant, anticorrosion agent, void blocker, heating, cooling, and emulsifying; used in tunnelling machine |
| 12/26/1995 | US5478170 Controlling apparatus for excavator |
| 12/21/1995 | DE4420705A1 Automatic measurement and control of propulsion system when tunnel building |
| 12/19/1995 | US5476344 Injection means |
| 12/13/1995 | EP0494197B1 Control method for drilling apparatus |
| 12/13/1995 | CN1113289A Method for substituting supporting liquid with compressed air and hydrolic mining support using same |
| 11/28/1995 | US5470132 Tunnelling head and method |
| 11/22/1995 | EP0683121A1 Continuous haulage system |
| 11/22/1995 | EP0683120A1 Conveyor for continuous haulage system |
| 11/15/1995 | CN2212657Y Hydraulic drilling loading machine for whole cross section |
| 11/09/1995 | WO1995030065A1 Device for driving a tunnel or drain pipe |
| 11/09/1995 | DE4415399A1 Anordnung zum Vortrieb eines Tunnel- oder Abwasserrohrs Arrangement for driving a tunnel or sewer pipe |
| 11/02/1995 | DE4445420C1 Method for improved programmed explosive hole boring in driving galleries in rock and tunnel drilling |
| 10/25/1995 | CN1110753A Open caisson method of inclined shaft |
| 10/24/1995 | US5460432 Cutter head for a tunnel excavator |
| 10/19/1995 | DE4412880A1 Process for digging underground cavity |
| 10/18/1995 | EP0677643A1 Tunnel boring machine |
| 10/18/1995 | CN2210254Y Series and combination type self-progressing driving shield |
| 09/20/1995 | EP0672820A1 Method for substituting supporting liquid by compressed air and hydro-shield for carrying out the method |
| 09/19/1995 | CA2044653C Tunnel driving method |
| 09/13/1995 | CN1108350A Arranged type composite automatic progressing shield |
| 09/13/1995 | CN1108349A Suporting structure |
| 08/22/1995 | US5443305 Tunnelling machine |
| 08/17/1995 | WO1995021984A1 Process for removing the core of earth from a pipe laid without excavation and scraper for implementing said process |
| 08/17/1995 | DE4440498A1 Machinery for controlled cutting of arched wall faces |
| 08/17/1995 | DE4404712A1 Verfahren zum Ausbau eines Erdkerns aus einem grabenlos verlegten Rohr und Molch zur Durchführung des Verfahrens A method for removing a soil core from a trenchless laid pipe and pigging for performing the method |
| 08/16/1995 | EP0667442A1 Tunnelling machine |
| 08/16/1995 | EP0561858B1 Tunnelling machine |
| 08/09/1995 | EP0566711B1 Shield tail seal |
| 08/08/1995 | US5438860 Cutter bit abrasive detecting device of shield machine |
| 08/01/1995 | US5438321 Location system |
| 08/01/1995 | US5437500 Tunneling machine with center cutter and debris removing means |
| 07/26/1995 | EP0664376A1 Shield excavator |
| 07/25/1995 | US5436396 Stabilizing compositions and methods for stabilizing subterranean formations |
| 07/20/1995 | DE4401403A1 Ground solidifying and sealing |
| 07/05/1995 | CN1029254C Method and system for controlling travelling body so as to move forward along predetermined route of movement of travelling body |
| 06/29/1995 | WO1995017647A1 Positional measurement projecting device and mounting structure therefor |
| 06/21/1995 | CN1103926A Apparatus for underground extraction |
| 06/14/1995 | EP0657006A1 Guided mole |
| 06/08/1995 | DE4427070C1 Shield advance feed machine for tunnel construction in loose stone |
| 06/06/1995 | US5421422 Roller cutter mount for tunneling machine |
| 06/01/1995 | WO1995014878A1 Improved guided mole |
| 06/01/1995 | DE4339998A1 Partial cut machine for roadway opening |
| 06/01/1995 | CA2176121A1 Improved guided mole |
| 05/31/1995 | CN1028662C Cutter bit |
| 05/24/1995 | EP0515598B1 Method for lowering the floors of galleries, etc., in underground mines, etc. |
| 05/10/1995 | CN1102456A Tunnel liner, its fabrication method, and its fabrication apparatus |