| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
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| 09/18/2003 | WO2003076765A1 Safety system |
| 09/18/2003 | DE10256806C1 Self-orientation system, used in underground tunnels, couples information from fixed sources with three-dimensional visualization model stored in computer |
| 09/18/2003 | CA2478946A1 Safety system |
| 09/09/2003 | US6617973 Protects the batteries and related electronics, removes fluid from within the outer enclosure assembly, and/or allows the status of the vault system to be accessed remotely. |
| 09/09/2003 | US6616244 Method and arrangement for determining position of unmanned mining vehicles |
| 09/04/2003 | DE20309142U1 Electrical power supply to a hydraulically powered system on an underground mining machine |
| 09/03/2003 | CN2570460Y Single-track hanging pulley |
| 08/28/2003 | DE20308100U1 Hanger claw for mine galleries, comprises forged part with single piece construction |
| 08/21/2003 | WO2003069122A2 Strain detection in rock bolts |
| 08/21/2003 | CA2470172A1 Instrumented rock bolt, data logger and user interface system |
| 08/20/2003 | CN2567342Y Underground gallery bunker |
| 08/13/2003 | CN2565948Y Hand-operated vertical rotary lifting type protectve seal door |
| 07/30/2003 | EP0904618B1 Switching device such as a contactor and method for the preparation of said switching device |
| 07/30/2003 | CN1432718A Labour safety device for miner |
| 07/24/2003 | WO2003060242A1 Underground pipe and cable gallery which can be inspected |
| 07/24/2003 | US20030137421 Protective working device for miners |
| 06/26/2003 | DE10216105C1 Method of sealing of chambers against gas and fluids involves using damming inserts containing stretch filled with gas pressurized bitumen |
| 06/24/2003 | US6581618 Shallow depth, low pressure gas storage facilities and related methods of use |
| 06/11/2003 | CN2555400Y Coal face integrated control system |
| 05/15/2003 | WO2003040523A1 Method of constructing underground gallery by using pneumatic transfer system, and stratum disposal method |
| 05/15/2003 | CA2466208A1 Method of constructing underground gallery by using pneumatic transfer system, and stratum disposal method |
| 05/01/2003 | US20030079423 Mine door leaf and method of manufacture thereof |
| 05/01/2003 | CA2410720A1 Mine door leaf and method of manufacture thereof |
| 04/24/2003 | WO2003034017A1 Pressure sensor for measuring hydraulic pressure |
| 04/24/2003 | WO2003033878A1 Closure seals and method for closing underground cavities |
| 03/25/2003 | US6536548 Exhaust system for a motor vehicle and motor vehicle with an exhaust system |
| 03/20/2003 | US20030052529 Arrangement for determining position of unmanned mining vehicles |
| 03/19/2003 | EP1293642A1 Suspension device |
| 01/28/2003 | US6512312 Method and a device for detecting the presence of personnel in underground mining |
| 01/23/2003 | US20030017005 Mine stopping, permanent stopping form and method of installing same |
| 01/22/2003 | EP1144284B1 Installation for storing of natural gas |
| 01/01/2003 | CN1388305A Personal mine gas alarm |
| 12/18/2002 | EP1266124A1 Arrangement for determining position of unmanned mining vehicles |
| 12/05/2002 | WO2002097321A1 Shallow depth, low pressure gas storage facilities and related methods of use |
| 12/03/2002 | US6490527 Method for characterization of rock strata in drilling operations |
| 11/28/2002 | US20020174895 Shallow depth, low pressure gas storage facilities and related methods of use |
| 10/29/2002 | US6470989 Method and arrangement for preventing the passage of a mining vehicle |
| 10/24/2002 | WO2002084204A1 Explosive cutting device |
| 10/22/2002 | US6469619 Intrinsically-safe roof hazard alert module |
| 09/26/2002 | DE10114268A1 Suspension claw for receiving and bracing loads on trough sections for tunnel construction comprises a traverse as abutment in a central part with inner and outer ribs for receiving a material, and bores for receiving cross-head screws |
| 09/19/2002 | DE10112443A1 Natural gas storage power system has devices for converting energy that work in conjunction with devices for acquiring, transporting and storing natural and deposit gases |
| 09/17/2002 | US6450735 Method and equipment for ventilating underground workings |
| 08/29/2002 | WO2002033221A3 Explosion proof walls |
| 08/22/2002 | DE10149972C1 Verschlussstopfen und Verfahren zum Verschließen von untertätigen Hohlräumen Sealing plug and method for sealing cavities under active |
| 08/21/2002 | CN2506772Y Vehicle carried bundle pipe type mine safety monitor system |
| 07/16/2002 | US6419324 Method of sealing off a mine passageway |
| 07/10/2002 | CN1087386C Automatic guiding and measuring device, and method for measuring and guiding movable platform |
| 07/03/2002 | EP1220404A1 Support Bracket for metal mesh-wire cable tray |
| 07/03/2002 | CN1357078A Method and device for determining previous state of stress for tunneling |
| 06/27/2002 | US20020079408 Bracket for supporting a channel for cables or the like made of welded wire fabric |
| 05/15/2002 | EP1205417A2 Transport unit for electric cable |
| 05/15/2002 | CN1084821C Transport apparatus for use in mines |
| 05/10/2002 | CA2361460A1 Method for performing wedge analysis for assessing wedge instabilities in underground openings |
| 05/03/2002 | CA2325177A1 Cable line stopping |
| 04/25/2002 | WO2002033221A2 Explosion proof walls |
| 04/23/2002 | US6374844 Method in operating a cavern for gas |
| 04/09/2002 | US6368018 Installation for storing of natural gas |
| 03/12/2002 | US6356434 Underground battery vault system for communications applications |
| 03/07/2002 | WO2002018749A1 An apparatus for installing a support assembly for a rock structure |
| 03/06/2002 | EP1183497A1 Device for measuring shifts in mountains |
| 02/19/2002 | US6349249 Automated guided apparatus suitable for toping applications |
| 01/30/2002 | EP1175551A1 Method and device for determining a previous state of stress for tunneling |
| 01/22/2002 | CA2269957C Automated guided apparatus suitable for toping applications |
| 01/01/2002 | US6334260 Strata movement indicators |
| 12/12/2001 | EP1161598A1 Guide system placed along roadsides, preferably in tunnels, for protecting vehicles |
| 12/06/2001 | US20010047897 Exhaust system for a motor vehicle and motor vehicle with an exhaust system |
| 11/28/2001 | EP1054822B1 Method in operating a cavern for gas |
| 10/18/2001 | CA2628887A1 Apparatus for assembling a liner |
| 10/17/2001 | EP1144284A1 Installation for storing of natural gas |
| 10/09/2001 | US6298935 Exhaust system for a motor vehicle and a motor vehicle with the exhaust system |
| 09/27/2001 | DE10008450C1 Test drilling to assess the risk of a rock fall at a coal mine uses high pressure water jets to drill into the mine seam with measurements of at least one drilling parameter to be correlated with the level of danger |
| 09/26/2001 | CN2450811Y Explosionproof terminal box |
| 09/20/2001 | WO2001069041A1 Arrangement for determining position of unmanned mining vehicles |
| 07/31/2001 | US6267539 Automated mining system |
| 07/18/2001 | EP1115962A1 Apparatus for closing off an underground passage |
| 07/10/2001 | US6259474 Method for recording/reproduction by recording/reproducing system for visual inspection device |
| 07/10/2001 | US6256946 Adjustable stairway for use with an overcast in a mine |
| 06/07/2001 | US20010002969 Installation for storing of natural gas |
| 06/06/2001 | EP1104839A1 Exhaust gas apparatus for a vehicle , vehicle and process for manufacturing of such an apparatus |
| 05/30/2001 | CN2432318Y Arched water-proof door |
| 05/17/2001 | DE10006197C1 Anchor monitor at mining works has a fixed register with integrated movement sensors at the anchor head with coupling wires to detect movements through shifts in the rock formation |
| 05/03/2001 | WO2001031168A1 Method and arrangement for preventing the passage of a mining vehicle |
| 04/24/2001 | US6220785 Mine stopping, method of constructing same and panels thereof |
| 03/29/2001 | DE19941451A1 Shackle for connecting to end links of stay chain used in mining and tunnelling has locking section fitted to head of bolt which has tensioning and retaining beads linked to mounting unit by ridge |
| 03/22/2001 | DE19944860A1 Method for fitting cohesive section supports into mineshaft comprises first forming temporary support, e.g. of rigid plastic foam, and applying filling material in sections of increasing width |
| 03/21/2001 | EP1085347A2 Apparatus and method for generating seismic vibrations |
| 03/15/2001 | DE19944032A1 Vorrichtung und Verfahren zur Erzeugung seismischer Schwingungen Apparatus and method for generating seismic vibrations |
| 03/14/2001 | CN2423406Y Remote controller for electric saving air door |
| 03/14/2001 | CN2423405Y Remote controller for pneumatic saving air door |
| 02/13/2001 | US6186888 System and method for controlling ventilation in a tunnel |
| 02/07/2001 | CN1283250A Transport apparatus for use in mines |
| 01/25/2001 | DE10000095A1 Radioactive waste storage facility comprises a shaft in which concrete-encased boxes are stacked, with a concrete cap at the top and a sand-clay-gravel mix covering |
| 01/17/2001 | CN1280295A Method and device for detecting persons existing in mine |
| 01/16/2001 | US6173618 Ore pass level and blockage locator device |
| 01/11/2001 | DE19925733A1 Verfahren und Vorrichtung zum Messen von Verschiebungen im Gebirge Method and apparatus for measuring displacements in the mountains |
| 01/11/2001 | DE10029918A1 Verfahren und Einrichtung zum Erfassen der Anwesenheit von Personen im untertägigen Bergbau Method and apparatus for detecting the presence of people in underground mining |
| 01/02/2001 | US6168240 Atmospheric detection system for an automated mining system |
| 12/14/2000 | WO2000075604A1 Device for measuring shifts in mountains |
| 12/07/2000 | WO2000073626A1 Method and equipment for ventilating mines |
| 12/06/2000 | EP1056927A1 Surface-assisted continuous underground mining |