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)
05/2014
05/21/2014CN203603974U 可升降式自移设备列车电缆槽 Self-moving equipment can lift trains cable channel
05/21/2014CN203603973U 一种管线快速架设多用卡具 One kind of fast-erecting multi-line fixtures
05/21/2014CN203603955U 一种竖井出风口防护装置 One kind of silo outlet guards
05/21/2014CN103813217A 一种控制通讯信号器 A method of controlling communication annunciator
05/21/2014CN103806943A 用于监测煤层采空区漏风的监测装置及监测方法 Monitoring means for monitoring leakage of coal mined-out area and monitoring methods for
05/21/2014CN103806942A 智能瓦斯报警安全帽 Intelligent Gas Alarm helmets
05/21/2014CN103806941A 远程压力传感报警器 Remote pressure sensor alarm
05/21/2014CN103806940A 一种矿用报警器 Ore with alarm
05/20/2014US8727670 Tunnel barrier
05/14/2014CN203596922U 便携式自组网无线对讲系统 MANET portable wireless intercom system
05/14/2014CN203594473U 一种防止投料竖井堵塞的自动监测控制装置 A method of preventing clogging of the feeding shaft automatic monitoring control device
05/14/2014CN203594472U 一种瓦斯风电集中闭锁控制装置 One kind of wind power centralized locking gas control device
05/14/2014CN203594471U 综采工作面上隅角瓦斯隔离装置 Mechanized mining face corner gas isolation device
05/14/2014CN103796166A 矿井定位系统 Mine Positioning System
05/14/2014CN103793870A 一种引导移动人员及设备进行避灾的方法及系统 A method to guide the movement of personnel and equipment and systems for disaster prevention
05/14/2014CN103790633A 一种煤矿巷道底鼓监测仪器 One kind of mine roadway floor heave monitoring instruments
05/14/2014CN103790632A 一种地铁盾构隧道管片结构应力可视化预警装置及其工作方法 Segment structural stress a shield tunnel visual warning device and its working methods
05/14/2014CN103790631A 一种矿山3g通讯定位综合管理系统 One kind of mining 3g communication positioning Integrated Management System
05/14/2014CN103790630A 煤矿井下瓦斯浓度实时监测机器人 Real-time monitoring of coal mine gas concentration robot
05/14/2014CN103790629A 煤矿井下瓦斯浓度实时监测系统 Coal mine gas concentration in real-time monitoring system
05/14/2014CN103790628A 一种综采工作面顶板灾害预警评价方法 One kind of fully mechanized coal face roof disaster warning evaluation methods
05/14/2014CN103790625A 一种煤矿井下安全搜救路线探测系统 One kind of coal mine safety and rescue routes detection system
05/14/2014CN103790624A 一种具有语音通报功能的煤矿井下搜救机器人 Coal mine rescue robot having a voice notification feature
05/14/2014CN103790623A 一种煤矿井下安全搜救路线探测用搜救机器人 One kind of coal mine safety and rescue routes sounding rescue robot
05/14/2014CN102678177B 煤矿灾害远程控制自动快速封闭装置 Mine disaster remote control automatic rapid closure device
05/14/2014CN102296981B 矿井瓦斯抽采与消突数据处理系统 Mine gas drainage and eliminate sudden data processing system
05/13/2014US8720724 Protective cover assembly for electronics
05/07/2014CN103778683A 一种隧道结构电子巡检系统及其使用方法 A tunneling structure of the electronic inspection system and method of use
05/07/2014CN103775130A 一种基于wsn技术的煤矿安全监测管理系统及方法 A coal mine safety monitoring and management system based on techniques and methods wsn
05/07/2014CN103775129A 一种煤矿危险源预警的方法 One kind of mine hazard warning methods
05/07/2014CN103775128A 用于立体交叉隧道施工的监控量测方法 Monitoring and measurement methods for tunnel construction interchange
05/07/2014CN103775127A 一种低透气性高瓦斯煤层群保护层瓦斯综合治理方法 A low air permeability and high gas seam group protective layer Comprehensive Gas Control Method
05/07/2014CN103775100A 一种预制装配式城市综合管廊 One kind of prefabricated Urban Pipe Gallery
05/07/2014CN103775073A 一种采掘工作面地应力分布特征探测方法 One kind of mining face to the stress distribution detection method
05/07/2014CN102562162B 一种基于事件处理的煤矿报警系统及方法 A coal mine warning system and method based on event processing
04/2014
04/30/2014DE102012219640A1 Monitoring device for underground mining, has flameproof enclosure that is provided with several viewing windows in which pivotable video camera is arranged
04/30/2014CN203571370U Lifting mechanism
04/30/2014CN203570357U Anchoring on-line nondestructive testing device for mine laneway
04/30/2014CN203570356U Vehicle passing tunnel air tight door
04/30/2014CN203570355U Hanging bracket fixing device for mine dust removal system
04/30/2014CN103763770A Underground personnel positioning management system and method based on WSN technology
04/30/2014CN103760517A Method and device for achieving high-precision tracking and positioning through underground scanning satellites
04/30/2014CN103758572A Mining personnel security management system
04/30/2014CN103758571A Bearing pressure audio detector for coal wall
04/30/2014CN103758570A Method for controlling high mine pressure of open-air roadway by hydraulic fracturing
04/30/2014CN102606210B Safety monitoring system for electromechanical device of infrastructure mine
04/30/2014CN102493844B Water-proof gate
04/30/2014CN102435696B Gas explosibility identification method of mine gas tube bundle monitoring system
04/23/2014CN203563202U Mining integrated service communication management system
04/23/2014CN203559929U Improved orifice pipe for water probing and draining drill holes under coal mine
04/23/2014CN203559922U Fire extinguishing apparatus of substation of underground coal mine
04/23/2014CN103744112A Tunnel microearthquake monitoring sensor arrangement and data collecting instrument connecting method
04/23/2014CN103742196A Stratum safety monitoring device of tunnel boring machine
04/23/2014CN103742195A Underground coal mine power monitoring system based on ZigBee wireless technology
04/23/2014CN103742194A Subsurface source positioning method and mining area illegal mining prevention monitoring system
04/23/2014CN103742193A Mounting method for hydraulic filling soft strainer pipe in mined-out area
04/23/2014CN103742192A Fully-mechanized-coal-mining-face mechanization withdrawing method
04/23/2014CN103742142A Integrated real-time monitoring system of excavating equipment
04/23/2014CN103742119A High-pressure brine supply system for water-dissolving cavity making experiment of salt rock storage cavern
04/23/2014CN102628373B Impact ground pressure split source comprehensive early-warning method of coal mine
04/17/2014WO2014056019A1 Mining and mineral processing tracers with radio-frequency identification
04/17/2014DE102012020057A1 Method for constructing salt caverns structure for storing energy, involves rinsing local fresh water with salty wastewater, and discharging salty wastewater through pipes provided along highways
04/16/2014CN203554697U Mining explosion-proof and intrinsic safe type integrated substation
04/16/2014CN203554602U Underground image monitoring device for coal mine
04/16/2014CN203552444U Signal acquisition and storage transmitter and coal cutter monitoring system
04/16/2014CN203547800U Protection and early warning device for hanger rod structure in tunnel
04/16/2014CN203547799U Signal relay device and electric traction coal mining machine fault signal transmission system
04/16/2014CN203547798U Wearing device for rescue in mines
04/16/2014CN203547797U Device for monitoring track haulage in coal mine
04/16/2014CN203547796U Pressure reduction type fireproof door of subway tunnel
04/16/2014CN203547795U Remote-controlled waterproof mine closed door
04/16/2014CN203547794U Anti-explosion operation box and fault diagnosis device for electric traction coal cutter
04/16/2014CN103731644A Informatization real-time monitoring device for underground engineering construction
04/16/2014CN103726881A System and method for acquiring and processing safety hidden trouble signals of coal mine
04/16/2014CN103726880A Underground personnel positioning and managing system and method based on RFID technology
04/16/2014CN103726879A Method for utilizing camera to automatically capture mine earthquakes and collapses of mine and timely record and alarm
04/16/2014CN103726878A Coal-mining industry Ethernet ring network device
04/16/2014CN103726877A Mine road soil pressure collecting and early-warning system
04/16/2014CN103726876A Down-hole excavating working face fire pre-warning system based on electrostatic shielding type temperature sensing optical cable
04/16/2014CN103726875A Method for remote filling of explosion-proof compression-resistant closing of coal mine
04/16/2014CN103726874A Closed wall sealing method for underground coal mine
04/16/2014CN103726871A Multifunctional lifesaving and escape system and methods
04/16/2014CN102296983B Monitoring control system for mobile rescue capsule or fixed refuge chamber
04/09/2014CN203537565U Novel mine intrinsically-safe radio communication base station based on 8022.11n and 802.11ac WiFi
04/09/2014CN203531966U Angle limit alarm sensor device
04/09/2014CN203531965U Power-off control system of mining equipment
04/09/2014CN203531964U Upper corner gas monitoring system
04/09/2014CN203531963U Acousto-optic voice alarm
04/09/2014CN203531962U Worked-out section temperature field distributed optical fiber monitoring and early warning system
04/09/2014CN203531961U Double-door-leaf isolation and relief door for coal mine underground area
04/09/2014CN203531960U Mining multi-functional shelter place protection wall
04/09/2014CN203531959U Middle-opening-type underground coal mine area isolation disaster reduction door
04/09/2014CN203531950U Fire preventing and extinguishing long-distance dynamic pressure grouting system for mine and monitoring device thereof
04/09/2014CN203531944U Ventilation monitoring system for tunnel construction
04/09/2014CN103714682A Information transmission switching method and system applied to coal mine
04/09/2014CN103711525A Remote control tunnel hazard prevention tour inspection device
04/09/2014CN103711524A Coal mine stray current monitoring system of ZigBee network
04/09/2014CN103711523A Method for predicating gas concentration in real time based on local decomposition-evolution neural network
04/09/2014CN103711522A Novel mining communication system
04/09/2014CN103711521A Mine intrinsic safety type alarm
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... 48