Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
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02/06/2013 | CN102913285A Mine roof hazard warning method |
02/06/2013 | CN102913284A Monitoring system |
02/06/2013 | CN102913283A Technique for monitoring Na+ and C1- ions in sea area |
02/06/2013 | CN102913282A Open pit coal mine underground reservoir |
02/06/2013 | CN102913281A Method for detecting and repairing mine distributed type underground reservoir |
02/06/2013 | CN102913278A Modularization-based universal intelligent coal mine underground belt transport monitoring and controlling system |
02/05/2013 | US8366069 Isolator having socket mounting |
01/30/2013 | CN202711272U Coal mine-entering personnel uniqueness detection device |
01/30/2013 | CN202711265U Under-mine personnel positioning device based on radio frequency identification technology |
01/30/2013 | CN202707151U Mine human body heat source detecting device |
01/30/2013 | CN202707150U Mining intrinsic safety gas drainage parameter tester |
01/30/2013 | CN202707149U Underground mine safety monitoring alarm system |
01/30/2013 | CN202707148U Digitization miner terminal |
01/30/2013 | CN202707147U High-low level detection circuit of audible and visual alarm |
01/30/2013 | CN202707146U Gas digital monitoring alarming system |
01/30/2013 | CN202707145U Mining intrinsically safe speed sensor |
01/30/2013 | CN202707144U Mining flexible inflatable air bag |
01/30/2013 | CN202707143U Gob grouting hole-sealing plug |
01/30/2013 | CN202707136U Safety pre-warning and rescuing system for mine |
01/30/2013 | CN202707120U Flameproof optical fiber temperature-measuring fireproof early warning device for coal mine well |
01/30/2013 | CN202707099U Roadway mechanized operation machine |
01/30/2013 | CN102905393A System, portable terminal device, headset, sensor system and method for monitoring a mine |
01/30/2013 | CN102905039A 矿用数字漏泄移动通信系统 Mine the digital mobile communication system leakage |
01/30/2013 | CN102902027A Flame retardant detection optical cable for coal mine |
01/30/2013 | CN102900469A Safety monitoring method used for coal mine well |
01/30/2013 | CN102900468A Pedestrian detecting device for mining |
01/30/2013 | CN102900467A Coal mine safety monitoring system on basis of wireless sensor network |
01/30/2013 | CN102900466A System and method for tunnel construction safety early warning based on three-dimensional digital tunnel platform |
01/30/2013 | CN102174898B Mine ground pressure monitoring system |
01/30/2013 | CN102155264B Method for detecting abnormal gas quantity monitoring information in coal mine monitoring system |
01/30/2013 | CN101852088B Method for controlling dismantling device |
01/29/2013 | US8360372 Stackable cable hanger |
01/29/2013 | US8360371 Hose and cable management system |
01/29/2013 | CA2487200C Mine door system with trigger-actuated latch mechanism |
01/24/2013 | WO2013010221A1 Spark testing apparatus |
01/23/2013 | CN202696584U Wireless communication system used for mine |
01/23/2013 | CN202693878U Optical fiber feed-through terminal for flameproof cavity |
01/23/2013 | CN202690136U Wireless portable acousto-optic vibration alarm |
01/23/2013 | CN202690135U Adjustable core-plugging warning device |
01/23/2013 | CN202690134U Mine equipment management system |
01/23/2013 | CN202690133U Oil-well monitoring system |
01/23/2013 | CN202690132U Flame-retardant multi-direction mining grille |
01/23/2013 | CN202690109U Fireproof fan system at cross aisle of tunnel |
01/23/2013 | CN102890767A Underground personnel positioning system and method based on radio frequency identification technology |
01/23/2013 | CN102587982B Underground salt cavern gas storage groups and method for constructing same |
01/23/2013 | CN102102537B Tunnel surrounding rock radial stress strain distributed monitoring technology |
01/23/2013 | CN102080563B Air door whistling and vehicle blocking device for mine main transportation roadway |
01/23/2013 | CN102061941B Tunnel and gob surrounding rock safety and real-time directional non-destructive monitoring device and early warning method |
01/23/2013 | CN102011612B Multifunctional tube bundle monitoring and emergency extinguishing prevention system |
01/16/2013 | EP2545250A1 Network infrastructure for mobile machines which can be used in areas at risk of explosion |
01/16/2013 | CN202677172U Multibus mining broadcast communication network alarm station based on priority |
01/16/2013 | CN202673368U Inclined lane tape transportation automatic inspection system |
01/16/2013 | CN202673367U Gas outburst prevention device for underground coal mine faces |
01/16/2013 | CN202673366U Remote digital intelligent warning system for water gush and mud burst in underground project construction |
01/16/2013 | CN202673365U Cluster-type tunnel safety real-time monitoring system based on wireless fidelity (Wi-Fi) network technique |
01/16/2013 | CN202673364U Coal mine alarm system based on light-emitting diode (LED) visible light communication |
01/16/2013 | CN202673363U Continuous pull type air barrel sliding rail |
01/16/2013 | CN202673362U Telescopic high gas tunnel ventilation device |
01/16/2013 | CN202673360U Coal mine belt conveying and water draining monitoring system |
01/16/2013 | CN102877888A Proximity warning system |
01/16/2013 | CN102877887A Explosion door |
01/16/2013 | CN102877886A Fan drum hanging method, suspended fan drum component and system |
01/16/2013 | CN102877885A Mine mechanical telescopic platform |
01/16/2013 | CN102877884A Method for modification and construction of top of Ordovician limestone of mine based on kilometer directional drilling technique |
01/16/2013 | CN102877883A Security total station |
01/16/2013 | CN102877870A Static and dynamic combined intelligent pre-warning anchor rod |
01/16/2013 | CN102877763A High-intensity steel fireproof channel door |
01/16/2013 | CN102182515B Method for magnetically monitoring and forecasting deep surrounding rock burst losslessly in real time |
01/16/2013 | CN101930229B Mobile carrier-based underground wireless monitoring and positioning system intelligent terminal |
01/12/2013 | CA2791827A1 Volcano eruption prevention process |
01/09/2013 | EP2542760A2 Method for locating persons and/or mobile machines in mine caverns using rfid technology, and longwall face extraction installation for carrying out the method |
01/09/2013 | CN202662153U Mine hydrologic alarm apparatus capable of realizing wireless communication by using globalization management system (GMS) module |
01/09/2013 | CN202661282U Detecting device for tunnel sidewall |
01/09/2013 | CN202659283U Carbon monoxide monitoring device for mine |
01/09/2013 | CN202659282U Coal roadway roof abscission layer monitoring system based on M-BUS |
01/09/2013 | CN202659281U Comprehensive monitoring system for mining equipment communication |
01/09/2013 | CN202659280U Cable hanging device for second conveyor belt track section of road header |
01/09/2013 | CN202659279U Turntable type flat parking lot for mine tunnel |
01/09/2013 | CN202659167U Telescoping mechanism applicable to detection of multi-aperture tubing coupling |
01/09/2013 | CN102868751A Underground target positioning system and method based on distance restriction |
01/09/2013 | CN102866434A Method and system for monitoring water burst of mine in real time |
01/09/2013 | CN102865103A Distributed using method for mine underground water |
01/09/2013 | CN102865100A Coal mine goaf filling method |
01/09/2013 | CN102865093A Mine ventilation automatic detection and operation system |
01/09/2013 | CN102864819A Control device, control system and control method of reservoir water supplementing |
01/09/2013 | CN102155263B Under-mine deep hole microseism monitoring sensor mounting device |
01/02/2013 | CN202646934U Gunite flexible pipe fixing device and gunite system |
01/02/2013 | CN202645637U Coal mine monitoring device |
01/02/2013 | CN202645636U Underground five-in-one network monitoring system for coal mine |
01/02/2013 | CN202645635U Air pipe sensor fault warning device |
01/02/2013 | CN202645634U Tunnel collapse alarm for mine |
01/02/2013 | CN102859117A Network infrastructure for mobile machines which can be used in areas at risk of explosion |
01/02/2013 | CN102857557A Mine safety information collaborative awareness and disaster real-time pre-warning system |
01/02/2013 | CN102854541A Passive method and passive system with function of positioning for acquiring downhole information after disasters |
01/02/2013 | CN102852558A Audible and visual alarm with classified voices for mines |
01/02/2013 | CN102852557A Mining smoke sensor |
01/02/2013 | CN102852556A Safety pre-warning system of mining equipment |
01/02/2013 | CN102852555A Advanced prediction method of single-alley tunneling gas outburst |
01/02/2013 | CN102852554A Mine underground physical environment monitoring system |
01/02/2013 | CN102182509B Cut-and-fill three-dimensional simulation test device and method |