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)
07/2010
07/29/2010DE102007014662B4 Verfahren zum Betreiben eines Abbaugerätes, Strebausbau zur Durchführung des Verfahrens und Steuerung für einen solchen Strebausbau Method for operating a mining tool, face support for implementing the method and controller for such a longwall
07/28/2010CN201535103U 用于立转式防淹防护门的手自动闭锁机构 For vertical rotary Flood Protection automatic door locking mechanism hand
07/28/2010CN1693675B Full automatic coal mine gas prewarning explosion-proof system
07/28/2010CN101788815A Anti-interference underground safety monitoring system
07/28/2010CN101788546A Coal mine underground mobile gas beam tube sampling and monitoring device
07/28/2010CN101787899A 子母式瓦斯传感器 Combo gas sensor
07/28/2010CN101787898A Coal and gas outburst forecasting method
07/28/2010CN101787897A System and method for predicting coal and gas outburst risk of mine in real time
07/28/2010CN101787896A Pressure releasing device for two-way closed walls
07/28/2010CN101787895A Double-layer folding heat-insulated barrel for use in coal mine roadway
07/21/2010CN201531276U Device for tracking and early warning outburst hazard of mine coal and gas in real time
07/21/2010CN201531275U Comprehensive mechanization coal mining complete equipment and protective system thereof
07/21/2010CN201531263U Intelligent controlling and monitoring device for rotary drill
07/21/2010CN201531182U Hydraulic driving device for vertically-rotated flood-proof protection door
07/21/2010CN201531179U Supporting and locking device for vertically-rotated flood-proof protection door
07/21/2010CN201529989U Downhole positive-pressure type rescuing and detecting robot used for coal mine
07/21/2010CN201528706U Intelligent multifunctional safety helmet used for mine operation
07/21/2010CN101781996A Emergency airtight door used for connecting passage construction
07/20/2010US7757996 Breakable hangers
07/14/2010CN201526343U Standardized hanger for wind barrel
07/14/2010CN201526339U Mine disaster temporary sheltering device
07/14/2010CN201526338U Warning instrument
07/14/2010CN201526332U Control device of hub pressure sensing automatic air door
07/14/2010CN101775996A Method for positioning, playing, real-time monitoring and early warning of hidden troubles of coal mine
07/08/2010WO2010078252A2 Method and system for supplying synthesis gas
07/07/2010CN201521317U Portable V30 gas outburst prediction instrument
06/2010
06/30/2010CN201517427U Wireless transmission sludge liquid level alarm device
06/30/2010CN101762830A Distributed coal mine rock burst monitoring method
06/30/2010CN101295430B Optical fiber communication system capable of monitoring multiple mining conveyor belts
06/29/2010US7744042 Offset hanger
06/29/2010US7744041 Vertical pipe guard
06/29/2010CA2536937C Reception, processing, handling and distribution of hydrocarbons and other fluids
06/23/2010CN201513201U Twinkling shining locating alarm post for mine
06/23/2010CN201513192U Air returning device for mine
06/23/2010CN201513163U Directional drilling crossing joint direction control device
06/23/2010CN101754438A Modularization node device capable of re-constructing wireless motion sensor network and control circuit thereof
06/23/2010CN101749048A Subway siding partition door
06/23/2010CN101749004A Control method of interlayer rock salt cavern building with water solution in underground oil and gas storage
06/23/2010CN101746423A Search and rescue robot used in pit
06/17/2010DE112006002568B4 Längenveränderliche Verbindung eines Ansaugrohrs mit einem Staubkanal Variable length connecting a suction pipe with a dust channel
06/17/2010DE102009058281A1 Robuste Quarzuhr Rugged Quartz Watch
06/16/2010CN201507323U Optical fiber coal mine water inrush precursor information monitor
06/16/2010CN101737083A Data-transmission wireless-identification device for positioning underground workers and equipment
06/16/2010CN101737082A Mining roof plate absciss layer warning instrument and measurement method
06/16/2010CN101737081A Underground emergency searching and rescuing wireless communication system for transmitting signals by utilizing rail
06/16/2010CN101737048A Remote control monitoring coal mining method
06/16/2010CN101240718B Down-hole mining space top board separation layer prealarming method
06/15/2010US7735786 Temporary support structure for use when installing or removing components
06/10/2010DE202010001750U1 Untertägige Medienversorgungsanordnung Intraday media supply arrangement
06/09/2010CN201503704U Coal mine underground robotic explorer flame-proof and intrinsic safety casing body
06/09/2010CN201503427U Lifting type detecting mechanism for coal mine underground robotic explorer
06/09/2010CN201502404U Online monitoring system for mine ventilation
06/09/2010CN201502403U Antitheft annunciator of water injecting system
06/09/2010CN201502402U Tunnel construction sound and light alarm system
06/09/2010CN101725370A Underground locating and monitoring system
06/03/2010WO2010042961A3 Energy generating system
06/02/2010CN201496106U Mine disaster early warning and protecting device
06/02/2010CN201496105U Colliery safety monitoring system
06/02/2010CN201496104U Mine monitoring warning system
06/02/2010CN201496103U Belt conveying roadway full-automatic water-proof gate
06/02/2010CN201496092U Control device of monorail crane train air door
06/02/2010CN201496045U Monitor for monitoring belt slipping of pumping unit
06/02/2010CN101718591A Three-dimensional wellhole display system
06/02/2010CN101718212A Device for tracking and early warning outburst danger of mine coal and gas in real time
06/02/2010CN101718210A Device for realizing reliable communication and oxygen supply for underground ore
06/01/2010US7729976 Underground gas storage with short term reversible flow operable for use in arbitrage/trading
06/01/2010US7729091 Clip for mounting a flex cable within a head stack assembly
05/2010
05/26/2010CN201486594U Air pressure alarm device of transducer of forced air-cooled mine
05/26/2010CN201486584U Electric side open wind door
05/26/2010CN101713297A Method and equipment for suppressing gas from multiple continuous explosions
05/20/2010DE102008050211A1 Material for improving sealing action of bitumen or asphalt composition in aqueous rock, comprises mixture of bitumen and dearomatized aliphatic hydrocarbons that are provided in cross sectional packing in form of asphalt or bitumen
05/19/2010CN201474725U Landslide alarm detecting device
05/19/2010CN201474724U Mine wireless mp3 alarm information screen
05/19/2010CN201474723U Industrial explosive articles storehouse sensor that can be access to safety monitor system for coal mine
05/14/2010WO2010051617A1 Method to increase gas mass flow injection rates to gas storage caverns using lng
05/12/2010CN201464860U Monitoring device for karst water burst during tunnel excavation
05/12/2010CN201460985U Monitoring device for acidizing operation of oil well
05/12/2010CN201460984U System for monitoring personnel in transportation inclined shaft
05/12/2010CN201460983U Methane throttle audible-visual annunciator
05/12/2010CN201460982U Acousto-optic voice alarm for underground air door
05/12/2010CN201460981U Gas storage well monitoring and early warning device
05/12/2010CN201460951U Acousto-optic voice alarm air door for mine
05/12/2010CN201460860U Drilling detection collision preventing alarm system
05/12/2010CN101706585A Method for electrically forecasting danger in underground tunneling engineering
05/12/2010CN101705840A Coal mine safety monitoring and managing system
05/12/2010CN101705839A Vertical mobile isolating door for vacuum pipeline transport
05/05/2010CN201448120U Coal mine safety monitoring system
05/05/2010CN101701525A Fully automatic gas explosion proof equipment
05/05/2010CN101040133B Line protecting apparatus
04/2010
04/28/2010EP2179136A1 Semiconductor factory
04/28/2010CN201443415U Coal-winning machine remote control device for thin coal seam working face
04/28/2010CN201443414U Coal-mine underground fire hazard quickly-closed and exploration channel device
04/28/2010CN201443410U Rapid reset vertical ventilating shaft explosion-proof door
04/28/2010CN101699034A Online monitoring and fault-diagnosing device of main fan for mines
04/21/2010CN201439721U Electric power cable tunnel security and protection system
04/21/2010CN101696639A Fiber mine water inrush precursor information monitor
04/21/2010CN101696638A Mining automatic signal blocking system for transportation region and control method
04/21/2010CN101696627A Accident monitoring method in welldrilling process
04/21/2010CN101240717B Coal mine down-hole personnel positioning and mash gas concentration dynamic monitoring method and system
04/15/2010CA2740070A1 Energy generating system
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