Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21F - Safety devices, transport, filling-up, rescue, ventilation, or drainage in or of mines or tunnels › 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)
07/2012
07/11/2012CN102562157A Self-networking joint for underground environmental condition wireless monitoring system
07/11/2012CN102562156A Automatic concentration adjusting and controlling early warning method for underground gas extraction pipelines and system of automatic concentration adjusting and controlling early warning method
07/11/2012CN102562155A Automatic isolating door for poison gas generated after gas explosion of mine
07/11/2012CN102562154A Cable tunnel routing inspection robot
07/11/2012CN102562153A Setting method for auxiliary system of electric power tunnel
07/11/2012CN102562141A Subway tunnel environment control inspection and firefighting rescue method
07/11/2012CN102562139A Intelligent working method of mine escape capsule and intelligentized mine escape capsule
07/11/2012CN102562132A Explosion suppression digital intelligence gas drainage pump for mines
07/11/2012CN102562131A Coal mine gas comprehensive application system and application method thereof
07/11/2012CN101943003B Shield construction system based on ground penetrating radar
07/04/2012CN202309758U 一种矿井无线数字音视频传输系统 In mine wireless digital audio and video transmission system
07/04/2012CN202305518U 一种带有防护套的瓦斯传感器 A gas sensor with a protective sleeve
07/04/2012CN202300533U Safe environment sensing terminal of underground staff of coal mine well based on Wi-Fi (Wireless Fidelity) wireless sensing network
07/04/2012CN202300532U 矿用无线混频多数据监控装置 Mixing multiple data mining wireless monitoring devices
07/04/2012CN202300531U 一种地下隧道积水监测装置 An underground tunnel water monitoring devices
07/04/2012CN202300530U Mineral PDA recorder with radio frequency identification function
07/04/2012CN202300529U Slight shock monitoring sensor arrangement structure in deeply buried long tunnel boring machine (TBM) tunneling process
07/04/2012CN202300528U 一种矿井用红外线收发装置 Infrared transceiver in mine
07/04/2012CN202300527U 煤矿工作面煤壁片帮监测设备 Face coal mine wall spalling monitoring equipment
07/04/2012CN202300526U 煤矿安全监测巡检管理系统 Coal Mine Safety Monitoring Inspection Management System
07/04/2012CN202300525U 一种具有同步开闭机构的防爆门 Having a synchronized opening and closing mechanism of the blast doors
07/04/2012CN202300524U 平井和斜井自行复位防爆门 Hirai reset itself and inclined blast doors
07/04/2012CN202300523U 煤矿竖井梅花瓣防爆门 Mine Shaft plum petals blast doors
07/04/2012CN202300522U 一种隧道保温门 A tunneling insulation doors
07/04/2012CN202300521U 一种单轨电缆吊挂装置 One kind of monorail cable hanging device
07/04/2012CN202300506U 胶带输送机对射式跑偏传感器 Belt Conveyor-beam deviation sensor
07/04/2012CN202300465U 自动开闭式防爆门 Automatic open-closed blast doors
07/04/2012CN202300458U 液压支架的非主从式联网监测控制系统 Non-master-slave hydraulic support networked monitoring and control system
07/04/2012CN202298765U 储水池补水控制装置和控制系统 Cistern water control devices and control systems
07/04/2012CN102536324A Coal mine production disaster early warning system
07/04/2012CN102536323A Active whole-process safety monitoring method for coal miner environment
07/04/2012CN102536322A Mining acousto-optic alarm
07/04/2012CN102536321A Underground personnel positioning system
07/04/2012CN102536320A Inflatable temporary replacing device for mine anti-explosion door
07/04/2012CN102536319A Deicing device of railway tunnel
07/04/2012CN102536310A Emergent danger avoiding system under shaft of coal mine
07/04/2012CN102536295A Intelligent local ventilation system
07/04/2012CN102536270A Tunnel seepage protection method for soft soil stratum by existing shield method
07/04/2012CN102080567B Automatic carrying, replacing and blowing device for tunnel air purification material modules
07/04/2012CN102042030B Construction tunnel safety protection method based on wireless sensor network and a monitoring system thereof
07/04/2012CN101644168B Ventilation forecasting and early-warning system for mine
07/04/2012CN101519981B Mine locomotive anti-collision early warning system based on monocular vision and early warning method thereof
06/2012
06/28/2012WO2012087355A1 Industrial-piping system attachment devices for seismic bracing and methods of use
06/28/2012WO2012087284A1 Industrial-piping system attachment devices for seismic bracing and methods of use
06/28/2012DE102010055544A1 System unit for operating underground hydraulically powered roof supports, has electronic control module connected to electronic communication module and interrupter unit at common structural unit
06/27/2012CN202285014U 煤矿灾区环境远距离侦测系统 Mine disaster area environmental remote detection system
06/27/2012CN202284482U 红外电子里程碑 Infrared electronic milestone
06/27/2012CN202284481U 一种风机沉降到临界点的报警装置 A fan on the settlement to the critical point of the alarm device
06/27/2012CN102523621A System and method for positioning underground personnel
06/27/2012CN102523557A Miner positioning system based on wireless sensor network
06/27/2012CN102518472A Mine goaf closing method
06/27/2012CN102518471A Rock burst energy releasing method of roadway of high stress area in coal mine
06/27/2012CN102071972B Method for discriminating underground coal combustion center
06/27/2012CN102030047B Detection robot for underground rescue of pressurized type coal mine
06/27/2012CN101963071B Equivalent drilling cuttings weight continuous monitoring device and method
06/26/2012CA2530525C Method and system for monitoring location of mining vehicle
06/23/2012CA2762990A1 Process for locating hydraulic barriers in a gas-storing geological stratum
06/20/2012CN102505966A Accurate positioning method based on echo coherence effect
06/20/2012CN102505965A Method for identifying rock mass failure instability early warning
06/20/2012CN102505964A Underground staff detecting instrument and staff monitoring system based on miner light weak light detection
06/20/2012CN101979835B Method for preventing coal and gas burst by drill communicated coal mining exhaust
06/13/2012CN202273712U 煤矿井下移动设备运行状态信息传输系统 Coal mine mobile equipment operating status information transmission system
06/13/2012CN202273704U 一种瓦斯气浓度及压力的控制装置 Control device for methane gas concentration and pressure
06/13/2012CN102497548A Video image compression system for coal mine roadway
06/13/2012CN102493845A Monitoring and prewarning system for urban rail transit operating tunnel based on GIS (Geographic Information System)
06/13/2012CN102493844A Water-proof gate
06/13/2012CN102493843A Automatic control system of waterproof gate for mine and control method thereof
06/13/2012CN102493835A Mine safety production monitoring system
06/13/2012CN101967995B Mine safety monitoring application technology
06/13/2012CN101813003B Mine disaster relief command system
06/06/2012CN202268915U 一种矿井用无线数据转接装置 In mine with wireless data transfer device
06/06/2012CN202266300U 煤位报警装置 Coal-bit alarm device
06/06/2012CN202266299U 计量站外输油管线压力温度监测报警装置 Pipeline metering station outside pressure and temperature monitoring and alarm device
06/06/2012CN202266298U 突出地区掘进工作面全断面防突金属挡栏 Heading Face full section highlighting areas outburst prevention metal block column
06/06/2012CN102486426A Gas pressure measurement device
06/06/2012CN102486093A Full-automatic hydraulic support
06/06/2012CN102073107B Underground optical cable connecting device
06/06/2012CN101839141B Emergency subaqueous tunnel flood-prevention construction method for subaqueous tunnels
05/2012
05/31/2012WO2012068628A1 System and apparatus for connecting a gas source to a thermal oxidiser
05/31/2012CA2820643A1 System and apparatus for connecting a gas source to a thermal oxidiser
05/30/2012CN202261323U Intrinsically safe data converter for mining
05/30/2012CN202261315U Multifunctional SOS voice alarm and rescue system
05/30/2012CN202261270U Mine through-the-earth communication rescue information system
05/30/2012CN202261264U Mining monitoring communication device
05/30/2012CN202258748U Mining explosion-proof transformer with sensor alarm system
05/30/2012CN202252908U Methane alarming mining lamp
05/30/2012CN202250240U Mine roof bed separation monitoring system
05/30/2012CN202250239U Mineral hydrological monitoring system
05/30/2012CN202250238U Rock pressure monitoring system
05/30/2012CN202250237U Mobile terminal with methane leakage alarm function
05/30/2012CN202250236U Tunnel TSP (Tunnel Seismic Prediction) advance geological forecast signal multi-channel trigging device
05/30/2012CN202250235U Dynamic monitor for coal walls of fully mechanized working surface
05/30/2012CN202250234U Passive post-disaster downhole information acquisition system with positioning capability
05/30/2012CN202250233U Mine safety monitoring system
05/30/2012CN202250232U Current loss alarming device for mining equipment and mining blower power supply system
05/30/2012CN202250231U Digital gas alarming circuit
05/30/2012CN202250230U Cutting device for transformation of old well
05/30/2012CN202250229U Wellhead reinforcing device
05/30/2012CN202250228U Firewall
05/30/2012CN202250227U Gripping structure
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