E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere

Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758)
11/2013
11/27/2013	CN203308496U Air-reversing fire protection device for mine belt transport lane
11/27/2013	CN103411883A 甲烷检测报警仪 Methane Detection Alarm
11/27/2013	CN103410569A Metal mine downhole microseismic monitoring system
11/27/2013	CN103410568A Dynamic mine disaster integral early warning method and device
11/27/2013	CN103410567A Mine smoke sensor with self-checking function
11/27/2013	CN103410566A Method for determining whether coal and gas outburst is postponed
11/27/2013	CN103410565A Monitoring system and early warning method for rock burst multi-parameter process
11/27/2013	CN103410558A Mine escape information guiding system
11/27/2013	CN103410554A Reinforced dedusting device for coal min safety
11/27/2013	CN103410553A Dedusting device for coal mine safety
11/27/2013	CN103410551A Data analysis system for ventilation safety
11/27/2013	CN103410516A Surrounding rock deformation early-warning construction method for small-diameter tunnel full-section excavation
11/27/2013	CN102121376B Intelligent coal seam gas pressure tester
11/20/2013	CN203301588U Monitor and communication apparatus of mine refuge facility
11/20/2013	CN203299606U Mine downhole monitoring and inspecting device
11/20/2013	CN203296822U Wireless roadway mining-induced stress monitoring device
11/20/2013	CN203296821U Mine disaster multi-factor micro-seismic monitoring system
11/20/2013	CN203296820U Application circuit of communication substation for monitoring refuge facilities of mines
11/20/2013	CN203296819U Communication substation for monitoring refuge facilities of mines
11/20/2013	CN203296818U Mine detection and personnel positioning system
11/20/2013	CN103397910A Tunnel construction safety pre-warning method based on detection optical fiber monitoring technology
11/20/2013	CN103397909A Coal mine rail transport monitoring system
11/20/2013	CN102562165B Mining water level warning device
11/20/2013	CN102434205B Segment crane linear sliding type cable power supply device for shield heading machine
11/13/2013	CN203289654U An under-well worker tracking system based on a wireless sensor network
11/13/2013	CN203287110U Temperature monitoring system based on industrial Ethernet ring network and ZigBee
11/13/2013	CN203285487U Underground environment monitoring device with positioning function
11/13/2013	CN203285486U Rock burst multi-parameter process monitoring system
11/13/2013	CN203285485U Scram pull wire bracket
11/13/2013	CN203285474U Water mist spray fire resisting rolling shutter device fire extinguishing system for tunnels
11/13/2013	CN103388649A Rock suspending fixing device and method
11/06/2013	CN203278819U A mining multi-service communication system
11/06/2013	CN203275284U Pipeline infrared methane sensor device
11/06/2013	CN203271815U Optical fiber sensing technology-based safety monitoring system of coal mine roof
11/06/2013	CN203271814U Mine gas inspection device
11/06/2013	CN203271813U Device for early warning stress on mine roof subsidence
11/06/2013	CN203271812U Real-time mine monitoring system based on Internet of Things
11/06/2013	CN203271811U Automatic mine-used waterproof gate moveable track
11/06/2013	CN203271810U Safety locking device for flood gate of tunnel
11/06/2013	CN203271797U Full-automatic networked fire-extinguishing device for tunnel
11/06/2013	CN203271494U Air bag type quick air-tight door
11/06/2013	CN103383737A Coal mine monitoring system based on RFID
11/06/2013	CN102767395B Anti-seepage method for mine underground reservoirs
11/06/2013	CN102639815B 电缆支承挂钩 Cable support hook
11/06/2013	CN102345797B System for monitoring oil-gas pipeline in mining subsidence area
11/06/2013	CN101922310B Security monitoring and managing system of coal mine underground operators
10/2013
10/31/2013	WO2013159749A1 Method for distributed storage and use of underground water in mine
10/30/2013	CN203257471U Mine environment monitoring system based on single-chip microcomputer
10/30/2013	CN203257470U Coal mine safety loophole inspection instrument
10/30/2013	CN203257469U Mine monitoring system based on hybrid sensing network
10/30/2013	CN203257468U Underground coal mine water permeation monitoring and early warning device
10/30/2013	CN203257467U Air-bag-type quick air-tight door
10/30/2013	CN203257466U Air-bag-type multilayer quick air-tight door
10/30/2013	CN203257465U Multi-layer sealed door of rapid-inflation air bag
10/30/2013	CN203257464U Air-bag-type multilayer quick air-tight door
10/30/2013	CN103375173A Novel anti-explosion door of vertical air shaft
10/30/2013	CN102505966B Accurate positioning method based on echo coherence effect
10/23/2013	CN203248202U Methane monitoring system based on embedding
10/23/2013	CN203248201U Handheld terminal device
10/23/2013	CN203248200U Stress measuring system for hipparion laterite tunnel surrounding rocks under influence of crack water
10/23/2013	CN203248199U Mine adit fire separation device
10/23/2013	CN203248198U 四通接线盒挂件 Four-way junction box pendant
10/23/2013	CN203248197U Combined pipeline hanging clamp
10/23/2013	CN203248196U Pitshaft water receiving awning
10/23/2013	CN203248195U Pitshaft monomer water receiving hood device
10/23/2013	CN203248189U Monorail crane transportation system of driving face
10/23/2013	CN103362554A Working state detection and alarm device for mine air-supply system
10/23/2013	CN103362553A Coal mine underground safety comprehensive monitoring system based on fiber grating sensors
10/23/2013	CN103362552A Distributed optical fiber grating anchor rod group stress monitoring system for coal mine roadway
10/23/2013	CN103362551A Comprehensive index evaluating method for rock burst
10/23/2013	CN103362550A Method for performing in situ treatment on acid mine water by using crop seed husks
10/23/2013	CN103362543A Passive escape capsule automatic control system
10/23/2013	CN102505965B Method for identifying rock mass failure instability early warning
10/23/2013	CN102182514B Mining alarm
10/17/2013	US20130269453 Method and system for determining structural changes in a longwall mine
10/16/2013	CN203242181U Multifunctional vehicle-mounted anti-collision integrated terminal
10/16/2013	CN203241821U Crawler type coal mine gas tour-inspection robot
10/16/2013	CN203241794U Coal mine fully-mechanized surface intelligentized video monitoring system
10/16/2013	CN203239395U Intelligent anchor rod early warning and monitoring system for roadway surrounding rock disaster
10/16/2013	CN203239394U Adjustable coal mine underground pipeline hoisting device
10/16/2013	CN203239393U Outburst blocking wall for coal and gas outburst
10/16/2013	CN203239387U Wind tube type twice-conveying transshipping machine for power distribution machine
10/16/2013	CN203239355U Jacking type cable sleeve channel structure
10/16/2013	CN103354766A Underground water-management system for mines
10/16/2013	CN103352723A Method for predicating coal mine gas emission quantity
10/16/2013	CN103352719A Self-rescuer system for poison gas
10/16/2013	CN102505964B Underground staff detecting instrument and staff monitoring system based on miner light weak light detection
10/16/2013	CN101956567B Intrinsic safety all-fiber underground monitoring system
10/09/2013	CN103343701A Underground environment monitoring prewarning system and intelligent sensor thereof
10/02/2013	EP2643551A1 System and apparatus for connecting a gas source to a thermal oxidiser
10/02/2013	CN203224502U 风速传感器固定装置 Wind speed sensor fixtures
10/02/2013	CN203223254U Multifunctional mine voice audible and visual alarm
10/02/2013	CN203223253U On-line monitoring weighing feeding machine
10/02/2013	CN203223246U Novel blasting guarding fence device
10/02/2013	CN103334794A Hydrologic monitoring system for coal mine
10/02/2013	CN103334793A Underground audio broadcasting alarming device
10/02/2013	CN103334792A Coal mine underground rubber-tire vehicle subsidiary transportation railroad crossing monitoring system
10/02/2013	CN103334791A Substation-based high atmospheric pressure real-time monitoring system for return air shaft of coal mine
10/02/2013	CN103334790A High-pressure gas blasting-based coal seam roof advance presplitting method
10/02/2013	CN103334753A System and method for remote and visual coal mining flow supervision of coal mine underground working face

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