| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
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| 04/14/2010 | CN201437699U Intelligent well-dredging device for deep well on oil field |
| 04/14/2010 | CN101265813B Mine searching multi-robot system based on wireless sensor network |
| 04/07/2010 | CN201436374U Coal mine security monitoring system leading to blast shock air pressure explosion-preventing sensor |
| 04/07/2010 | CN101692234A Web service based coal-mine gas monitoring alert data processing method and device |
| 03/31/2010 | CN201433793Y Wireless signal transmission system of comprehensive well logging field |
| 03/31/2010 | CN201433792Y Real-time monitoring system for mining height of coal mining machine |
| 03/31/2010 | CN201433769Y Laser rapid imaging instrument |
| 03/31/2010 | CN101684729A Coal-seam gas pressure test system |
| 03/25/2010 | DE102008046203A1 Air mat for thermal insulation on buildings, particularly on window openings, has sealing profile fitted in window jamb and apron wall, where sealing profile is pressed in inflated condition of air mat |
| 03/24/2010 | EP2165046A2 Method for eliminating smoke from and ventilating an underground train station |
| 03/24/2010 | CN201428478Y Personal terminal of refuge command and evacuation indication system for mines |
| 03/24/2010 | CN201428477Y Rock deformation observation alarm based on angular displacement |
| 03/24/2010 | CN201428451Y Ground control panel of stratum testing evaluation instrument |
| 03/18/2010 | WO2010007305A3 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste |
| 03/17/2010 | CN201424962Y High-voltage sensing mining alarm |
| 03/17/2010 | CN201424961Y Cable hook |
| 03/16/2010 | US7677506 Truck air hose holder |
| 03/16/2010 | US7677505 Arcuate saddle with partial ribs |
| 03/11/2010 | WO2010007595A3 Monitoring of convergence of evacuation surfaces |
| 03/10/2010 | CN201420570Y Mine roof collapse prewarning luminous warning box |
| 03/10/2010 | CN201420569Y Disaster avoidance commanding and evacuation instruction system for mine |
| 03/10/2010 | CN201420568Y Underground substation of disaster avoidance planning and evacuation instruction system for mining use |
| 03/10/2010 | CN201420567Y Novel mine-use monitoring substation |
| 03/10/2010 | CN101666242A Hydraulic vertically rotary airtight flood and preventive partition door in metro running |
| 03/09/2010 | CA2520698C Arrangement for passage control of mine vehicles |
| 03/04/2010 | DE102004052854B4 Verfahren zur Langzeitverwahrung von Kavernen und Kavernensystemen Method for long-term storage of caverns and chambers systems |
| 03/03/2010 | CN201416460Y Monitoring substation |
| 03/03/2010 | CN201416459Y Blasting supply storehouse |
| 03/03/2010 | CN101660428A Method and device for alarming and monitoring underground operations |
| 03/03/2010 | CN101660427A Three-chart two-prediction method for quantitative evaluation and prediction of coal-bed top-plate water burst (inrush) conditions |
| 02/25/2010 | WO2010020359A1 Method for determining the position and location of mine spaces and/or equipment utilizing rfid technology |
| 02/24/2010 | CN201413568Y Mine intrinsically-safe wireless data collecting module |
| 02/24/2010 | CN201412192Y Monitor device for safe operation of mine locomotive |
| 02/24/2010 | CN201412191Y Intelligentized underground ore body stopping ground pressure disaster monitoring system |
| 02/24/2010 | CN201412190Y Roof abscission layer monitoring device used for coal mine |
| 02/24/2010 | CN201412189Y High gas mine wind transfer signal device |
| 02/24/2010 | CN201412188Y Coal mine monitoring and early-warning system |
| 02/24/2010 | CN201412187Y Mine monitoring and early-warning system |
| 02/24/2010 | CN201412186Y Mining monitoring and early-warning system |
| 02/24/2010 | CN201412185Y Coal mine monitoring and early-warning system |
| 02/24/2010 | CN201412184Y Mine monitoring and early-warning system |
| 02/24/2010 | CN201412183Y Real-time monitoring and early warning device for mine gas outburst |
| 02/24/2010 | CN201412182Y Device capable of conducting real-time monitoring to mine surrounding rock damage under noise interference environment |
| 02/24/2010 | CN201412181Y Automatic closing device of coal mine explosion-proof cover and door being opened by explosion shock waves |
| 02/24/2010 | CN201412178Y Electrohydraulic anti-pass-through device |
| 02/18/2010 | DE102008049203A1 Method for analyzing suitable density or necessary hydraulic resistance of geotechnical closure structure or geotechnical barriers, involves manufacturing injection opening, where separation of injection opening is installed |
| 02/17/2010 | CN201407072Y Real-time intelligent industrial and mining hydrological monitoring system |
| 02/17/2010 | CN201407066Y Coal mine tunnel operation accident rescues system |
| 02/17/2010 | CN201407064Y Air duct with light reflection effect |
| 02/17/2010 | CN101649751A Monitoring method of coal mine safety monitoring system |
| 02/17/2010 | CN101649750A Full-automatic waterproof gate of mine belt roadway |
| 02/11/2010 | DE102008038377B3 Verfahren zur Positions- und Lagebestimmung von Grubenräumen unter Nutzung der RFID-Technik Method for position and orientation of mine openings using RFID technology |
| 02/10/2010 | CN201401196Y Far IR (far infrared) anti-overwinding safety protection device |
| 02/10/2010 | CN201401195Y Waterproof gate for turtle-shell-shaped curved-surface mine |
| 02/10/2010 | CN201401194Y Safety device special for mines |
| 02/10/2010 | CN101644168A Ventilation forecasting and early-warning system for mine |
| 02/10/2010 | CN101644167A Moveable isolating door for vacuum pipeline rapid transit |
| 02/09/2010 | US7659675 Device for illuminating the stope support at a longwall face |
| 02/04/2010 | US20100025548 Pipe Support Assembly |
| 02/03/2010 | CN201397553Y Intrinsic safety type universal voice signal warner |
| 02/03/2010 | CN201397462Y Comprehensive protection measure-control device for coal mine use |
| 02/03/2010 | CN201396192Y Novel portable mine equipment patrol inspection instrument |
| 02/03/2010 | CN201396191Y Novel portable remote monitoring controller for coal-mining machines |
| 02/03/2010 | CN201396182Y Composite material reflecting gun explosion resistance wind tube for mines |
| 01/27/2010 | CN201392249Y Wireless ad-hoc network temperature measuring device for mine |
| 01/27/2010 | CN201391317Y Gas detecting device of coal mine actual mining mined out space |
| 01/26/2010 | US7651056 Method of mounting support assemblies for pipes, conduits and tubes |
| 01/21/2010 | WO2010007595A2 Monitoring of convergence of evacuation surfaces |
| 01/21/2010 | WO2010007305A2 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste |
| 01/21/2010 | WO2010007219A1 Method of treating the approaches of acid gas storage wells |
| 01/21/2010 | CA2728048A1 Method of treating the approaches of acid gas storage wells |
| 01/20/2010 | CN201386571Y Relay transmission signal while drilling transmitting and receiving device |
| 01/20/2010 | CN100582436C Controller for electrohydraulic prop control |
| 01/14/2010 | DE102006056725B4 Injektionsverfahren zum Abdichten von Rissen und Wegsamkeiten in Evaporitgesteinsschichten, Salzgrus und technischen Baustoffen mit Salzkomponenten Injection method for sealing cracks and pathways in Evaporitgesteinsschichten, crushed salt and technical materials with salt components |
| 01/13/2010 | CN201381880Y Gas detecting circuit installed in miner's cap |
| 01/13/2010 | CN201381879Y Sound, light and electricity integration monitoring system for instability of surrounding rock |
| 01/13/2010 | CN201381878Y Remote monitoring drainage device of cable tunnel |
| 01/13/2010 | CN201381875Y Mine life-saving system |
| 01/13/2010 | CN201381857Y Continuous coal-mining machine with safety monitoring device |
| 01/06/2010 | CN201377338Y Air door in-place detection and control device |
| 01/06/2010 | CN201377337Y All-purpose intelligent substation system for coal mines |
| 01/06/2010 | CN201377317Y Data acquisition, recording and warning system for offshore oil drilling platform |
| 01/06/2010 | CN100577987C Method for preventing mine car from evading weighing |
| 01/05/2010 | CA2406494C Road works shield and gantry |
| 12/30/2009 | CN201372811Y Staff autonomous call for help and gas concentration dynamic monitoring system under coal mine |
| 12/30/2009 | CN201372810Y Single-well remote control switch well device |
| 12/23/2009 | CN201369793Y Wireless image transmission system for emergency and disaster relief of mine |
| 12/23/2009 | CN201369725Y Wireless communication system for emergency and disaster relief of mine |
| 12/23/2009 | CN201367919Y Multipoint online detecting device for coal mine gas |
| 12/23/2009 | CN101608942A System and method for preventing tramcar from escaping weighing |
| 12/23/2009 | CN101608554A Movable communication integrative device of emergency rescue capsule for coal mines |
| 12/23/2009 | CN101608545A Method and device for testing gas migration process in coal rock body |
| 12/17/2009 | DE102008027664A1 Mobile hydraulic station for use during deep mining, has pressure reservoirs attached between filters and pressure supply outlet, and valve arranged between connection point at pressure reservoirs and pressure supply outlet |
| 12/16/2009 | CN201365252Y Emergency communication system for mine production |
| 12/16/2009 | CN201363166Y Safety warning device based on CAN bus used for personnel under coal mine |
| 12/16/2009 | CN201363165Y Remote air door and disaster relief door controller |
| 12/16/2009 | CN201363065Y Anti-clip double-plank disaster relief door with drawing steel wire rope |
| 12/16/2009 | CN101603433A Method for identifying and predicting tunnel gas in fuzzy pattern |
| 12/16/2009 | CN101603432A Hydraulic station |
| 12/16/2009 | CN101603419A Detection method of mine direct current method for coal face coal seam perspecitivity |