Patents
Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758)
04/2010
04/14/2010CN201437699U Intelligent well-dredging device for deep well on oil field
04/14/2010CN101265813B Mine searching multi-robot system based on wireless sensor network
04/07/2010CN201436374U Coal mine security monitoring system leading to blast shock air pressure explosion-preventing sensor
04/07/2010CN101692234A Web service based coal-mine gas monitoring alert data processing method and device
03/2010
03/31/2010CN201433793Y Wireless signal transmission system of comprehensive well logging field
03/31/2010CN201433792Y Real-time monitoring system for mining height of coal mining machine
03/31/2010CN201433769Y Laser rapid imaging instrument
03/31/2010CN101684729A Coal-seam gas pressure test system
03/25/2010DE102008046203A1 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
03/24/2010EP2165046A2 Method for eliminating smoke from and ventilating an underground train station
03/24/2010CN201428478Y Personal terminal of refuge command and evacuation indication system for mines
03/24/2010CN201428477Y Rock deformation observation alarm based on angular displacement
03/24/2010CN201428451Y Ground control panel of stratum testing evaluation instrument
03/18/2010WO2010007305A3 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste
03/17/2010CN201424962Y High-voltage sensing mining alarm
03/17/2010CN201424961Y Cable hook
03/16/2010US7677506 Truck air hose holder
03/16/2010US7677505 Arcuate saddle with partial ribs
03/11/2010WO2010007595A3 Monitoring of convergence of evacuation surfaces
03/10/2010CN201420570Y Mine roof collapse prewarning luminous warning box
03/10/2010CN201420569Y Disaster avoidance commanding and evacuation instruction system for mine
03/10/2010CN201420568Y Underground substation of disaster avoidance planning and evacuation instruction system for mining use
03/10/2010CN201420567Y Novel mine-use monitoring substation
03/10/2010CN101666242A Hydraulic vertically rotary airtight flood and preventive partition door in metro running
03/09/2010CA2520698C Arrangement for passage control of mine vehicles
03/04/2010DE102004052854B4 Verfahren zur Langzeitverwahrung von Kavernen und Kavernensystemen Method for long-term storage of caverns and chambers systems
03/03/2010CN201416460Y Monitoring substation
03/03/2010CN201416459Y Blasting supply storehouse
03/03/2010CN101660428A Method and device for alarming and monitoring underground operations
03/03/2010CN101660427A Three-chart two-prediction method for quantitative evaluation and prediction of coal-bed top-plate water burst (inrush) conditions
02/2010
02/25/2010WO2010020359A1 Method for determining the position and location of mine spaces and/or equipment utilizing rfid technology
02/24/2010CN201413568Y Mine intrinsically-safe wireless data collecting module
02/24/2010CN201412192Y Monitor device for safe operation of mine locomotive
02/24/2010CN201412191Y Intelligentized underground ore body stopping ground pressure disaster monitoring system
02/24/2010CN201412190Y Roof abscission layer monitoring device used for coal mine
02/24/2010CN201412189Y High gas mine wind transfer signal device
02/24/2010CN201412188Y Coal mine monitoring and early-warning system
02/24/2010CN201412187Y Mine monitoring and early-warning system
02/24/2010CN201412186Y Mining monitoring and early-warning system
02/24/2010CN201412185Y Coal mine monitoring and early-warning system
02/24/2010CN201412184Y Mine monitoring and early-warning system
02/24/2010CN201412183Y Real-time monitoring and early warning device for mine gas outburst
02/24/2010CN201412182Y Device capable of conducting real-time monitoring to mine surrounding rock damage under noise interference environment
02/24/2010CN201412181Y Automatic closing device of coal mine explosion-proof cover and door being opened by explosion shock waves
02/24/2010CN201412178Y Electrohydraulic anti-pass-through device
02/18/2010DE102008049203A1 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
02/17/2010CN201407072Y Real-time intelligent industrial and mining hydrological monitoring system
02/17/2010CN201407066Y Coal mine tunnel operation accident rescues system
02/17/2010CN201407064Y Air duct with light reflection effect
02/17/2010CN101649751A Monitoring method of coal mine safety monitoring system
02/17/2010CN101649750A Full-automatic waterproof gate of mine belt roadway
02/11/2010DE102008038377B3 Verfahren zur Positions- und Lagebestimmung von Grubenräumen unter Nutzung der RFID-Technik Method for position and orientation of mine openings using RFID technology
02/10/2010CN201401196Y Far IR (far infrared) anti-overwinding safety protection device
02/10/2010CN201401195Y Waterproof gate for turtle-shell-shaped curved-surface mine
02/10/2010CN201401194Y Safety device special for mines
02/10/2010CN101644168A Ventilation forecasting and early-warning system for mine
02/10/2010CN101644167A Moveable isolating door for vacuum pipeline rapid transit
02/09/2010US7659675 Device for illuminating the stope support at a longwall face
02/04/2010US20100025548 Pipe Support Assembly
02/03/2010CN201397553Y Intrinsic safety type universal voice signal warner
02/03/2010CN201397462Y Comprehensive protection measure-control device for coal mine use
02/03/2010CN201396192Y Novel portable mine equipment patrol inspection instrument
02/03/2010CN201396191Y Novel portable remote monitoring controller for coal-mining machines
02/03/2010CN201396182Y Composite material reflecting gun explosion resistance wind tube for mines
01/2010
01/27/2010CN201392249Y Wireless ad-hoc network temperature measuring device for mine
01/27/2010CN201391317Y Gas detecting device of coal mine actual mining mined out space
01/26/2010US7651056 Method of mounting support assemblies for pipes, conduits and tubes
01/21/2010WO2010007595A2 Monitoring of convergence of evacuation surfaces
01/21/2010WO2010007305A2 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste
01/21/2010WO2010007219A1 Method of treating the approaches of acid gas storage wells
01/21/2010CA2728048A1 Method of treating the approaches of acid gas storage wells
01/20/2010CN201386571Y Relay transmission signal while drilling transmitting and receiving device
01/20/2010CN100582436C Controller for electrohydraulic prop control
01/14/2010DE102006056725B4 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
01/13/2010CN201381880Y Gas detecting circuit installed in miner's cap
01/13/2010CN201381879Y Sound, light and electricity integration monitoring system for instability of surrounding rock
01/13/2010CN201381878Y Remote monitoring drainage device of cable tunnel
01/13/2010CN201381875Y Mine life-saving system
01/13/2010CN201381857Y Continuous coal-mining machine with safety monitoring device
01/06/2010CN201377338Y Air door in-place detection and control device
01/06/2010CN201377337Y All-purpose intelligent substation system for coal mines
01/06/2010CN201377317Y Data acquisition, recording and warning system for offshore oil drilling platform
01/06/2010CN100577987C Method for preventing mine car from evading weighing
01/05/2010CA2406494C Road works shield and gantry
12/2009
12/30/2009CN201372811Y Staff autonomous call for help and gas concentration dynamic monitoring system under coal mine
12/30/2009CN201372810Y Single-well remote control switch well device
12/23/2009CN201369793Y Wireless image transmission system for emergency and disaster relief of mine
12/23/2009CN201369725Y Wireless communication system for emergency and disaster relief of mine
12/23/2009CN201367919Y Multipoint online detecting device for coal mine gas
12/23/2009CN101608942A System and method for preventing tramcar from escaping weighing
12/23/2009CN101608554A Movable communication integrative device of emergency rescue capsule for coal mines
12/23/2009CN101608545A Method and device for testing gas migration process in coal rock body
12/17/2009DE102008027664A1 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
12/16/2009CN201365252Y Emergency communication system for mine production
12/16/2009CN201363166Y Safety warning device based on CAN bus used for personnel under coal mine
12/16/2009CN201363165Y Remote air door and disaster relief door controller
12/16/2009CN201363065Y Anti-clip double-plank disaster relief door with drawing steel wire rope
12/16/2009CN101603433A Method for identifying and predicting tunnel gas in fuzzy pattern
12/16/2009CN101603432A Hydraulic station
12/16/2009CN101603419A Detection method of mine direct current method for coal face coal seam perspecitivity
1 ... 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 ... 48