| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
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| 05/30/2012 | CN202250226U Mining clutch |
| 05/30/2012 | CN202250206U Full-automatic safety equipment of roadway with coal-extraction working surface |
| 05/30/2012 | CN202250205U Full automatic safety equipment of well lane of stope working face |
| 05/30/2012 | CN202250204U Full-automatic safety equipment of roadway with coal-extraction working surface |
| 05/30/2012 | CN202250203U Equipment for comprehensively preventing 'one-ventilation and three-prevention' accidents on driving face |
| 05/30/2012 | CN202250202U Full-automatic safety equipment for working face roadway |
| 05/30/2012 | CN202250201U Device for comprehensive prevention of coal mining face ''one ventilation and three prevention'' accidents |
| 05/30/2012 | CN202250200U 'Ventilation, dust, gas and fire prevention' accident equipment capable of providing comprehensive precaution for stope face |
| 05/30/2012 | CN202250199U Tunneling working face well tunnel full-automatic safety device |
| 05/30/2012 | CN202250198U Full-automatic safety equipment of roadway with coal-extraction working surface |
| 05/30/2012 | CN202250197U Full-automatic safety equipment for working face roadway |
| 05/30/2012 | CN202250196U 'Ventilation, dust, gas and fire prevention' accident equipment capable of providing comprehensive precaution for stope face |
| 05/30/2012 | CN202250195U Comprehensive 'one-ventilation and three-prevention' accident preventing device of coal face |
| 05/30/2012 | CN202250193U Tunneling working face well tunnel full-automatic safety device |
| 05/30/2012 | CN202250192U Full-automatic safety device of heading working face underworking |
| 05/30/2012 | CN202250191U Full-automatic security device for tunnel on driving face |
| 05/30/2012 | CN202250189U One-ventilation and three-prevention equipment for comprehensively preventing accidents on heading face |
| 05/30/2012 | CN202250188U Comprehensive equipment for preventing accidents in 'one ventilation and three prevention' of stope |
| 05/30/2012 | CN202250187U Equipment for comprehensively preventing 'one-ventilation and three-prevention' accidents of working faces |
| 05/30/2012 | CN202250185U Comprehensive prevention equipment for one-ventilation and three-prevention accidents in stope face |
| 05/30/2012 | CN202250184U Device for preventing 'one ventilation and three prevention' accidents occurred on stope working face comprehensively |
| 05/30/2012 | CN202250183U Full-automatic safety equipment for recovery working face well lane |
| 05/30/2012 | CN202250182U Full-automatic safety equipment for tunneling working face roadway |
| 05/30/2012 | CN202250181U Equipment for comprehensive prevention of one-ventilation and three-prevention accidents of stope |
| 05/30/2012 | CN202250180U Device for comprehensive prevention of one-ventilation three-prevention accident of mining face |
| 05/30/2012 | CN202250162U Water-level change warning device and coal mine gas extraction system |
| 05/30/2012 | CN202249927U Well bottom sealing device |
| 05/30/2012 | CN102477869A 一种无线人员定位与移动监测终端 A radio personnel positioning and mobile monitoring terminal |
| 05/30/2012 | CN101787898B Coal and gas outburst forecasting method |
| 05/30/2012 | CN101713297B Method and equipment for suppressing gas from multiple continuous explosions |
| 05/30/2012 | CN101649750B Full-automatic waterproof gate of mine belt roadway |
| 05/23/2012 | CN202231749U Monitoring and warning system for gas, temperature and humidity in mine based on ZigBee technology |
| 05/23/2012 | CN202229805U Intrinsically safe water level sensor for mine |
| 05/23/2012 | CN202228128U Power-off device |
| 05/23/2012 | CN202228127U Underground mine fire sensing and monitoring device with wireless transmission function |
| 05/23/2012 | CN202228126U Device for comprehensively preventing 'one ventilation and three prevention' accidents occurred on stope working face |
| 05/23/2012 | CN202228125U Full automatic safety equipment for well lane of driving working face |
| 05/23/2012 | CN202228124U 'One ventilation and three preventions' equipment for comprehensively preventing accidents on working face |
| 05/23/2012 | CN202228123U Full-automatic safety equipment for stope face well roadway |
| 05/23/2012 | CN202228122U Full-automatic safety equipment in extraction face roadway |
| 05/23/2012 | CN202228121U Full-automatic safety device of stope working face roadway |
| 05/23/2012 | CN202228120U Full automatic safety equipment of well lane of stope working face |
| 05/23/2012 | CN202228119U Full-automatic safety device of driving working face roadway |
| 05/23/2012 | CN202228118U Full-automatic safety equipment in extraction face roadway |
| 05/23/2012 | CN202228117U 'Ventilation, dust, gas and fire prevention' accident equipment capable of providing comprehensive precaution for stope face |
| 05/23/2012 | CN202228116U Full-automatic safety device of stope working face roadway |
| 05/23/2012 | CN202228115U Full-automatic safety equipment in heading face roadway |
| 05/23/2012 | CN202228114U Full automatic safety equipment for well lane of stope working face |
| 05/23/2012 | CN202228113U Full automatic safety equipment for well lane of stope working face |
| 05/23/2012 | CN202228079U Vehicle-mounted dust controlling and removing integrated device and system for machine digging face |
| 05/23/2012 | CN202227388U Mining side discharge rock loader reversing alarm device |
| 05/23/2012 | CN102465715A Integration management system for carbon dioxide geologic injection |
| 05/23/2012 | CN102465695A 一种煤层气井的监控方法和装置 Monitoring method and apparatus for coalbed methane wells |
| 05/23/2012 | CN101705840B Coal mine safety monitoring and managing system |
| 05/23/2012 | CN101696638B Mining automatic signal blocking system for transportation region and control method |
| 05/23/2012 | CN101476489B Mining disaster-avoiding command and evacuation indication method and system |
| 05/23/2012 | CN101320024B Mine gas beam tube monitoring system and recognition method for gas explosivity and fire danger |
| 05/17/2012 | US20120119562 Mine safety system |
| 05/16/2012 | CN202220624U Coal mine warning system with intelligent wireless ad hoc sensing network |
| 05/16/2012 | CN202220623U Comprehensive experiment table data acquisition device |
| 05/16/2012 | CN202220618U Self rescuer of coalmine flooding |
| 05/16/2012 | CN102460325A 集成式自动化系统 Integrated Automation System |
| 05/16/2012 | CN102459811A 教导用于移动采掘机械的自动控制的模型 Teaching model for mobile mining machinery automatic control |
| 05/16/2012 | CN102454413A Underground tunnel permeable rescue capsule |
| 05/09/2012 | CN202215949U Multifunctional mine lamp capable of performing conversation |
| 05/09/2012 | CN202215300U Coal mine downhole mine pressure comprehensive monitoring data Internet-of-Things transmission type monitoring system |
| 05/09/2012 | CN202215299U Internet of things wireless transmission type surrounding rock mobile sensor used under coal mine shaft |
| 05/09/2012 | CN202215298U Wireless transmission type monitoring substation for mine coal underground internet of things |
| 05/09/2012 | CN202215297U Multifunctional sensing system for mine |
| 05/09/2012 | CN202215296U Very small aperture terminal (VSAT) satellite communication-based tunnel safety real-time monitoring system |
| 05/09/2012 | CN202215295U Hanging-type air duct assembly and system |
| 05/09/2012 | CN202215294U U-shaped construction platform for tunnel construction vehicle |
| 05/09/2012 | CN202215289U Full-automatic safety device for well laneway of stoping working surface |
| 05/09/2012 | CN202215288U Full-automatic safety device for well laneway of tunneling working face |
| 05/09/2012 | CN202215287U Equipment for comprehensively preventing stope face from accidents related to 'ventilation and prevention of fire, gas and dust' |
| 05/09/2012 | CN202215286U Automatic safety equipment for airways of stope face |
| 05/09/2012 | CN202215285U Equipment for comprehensively preventing tunneling face from accidents related to 'ventilation and prevention of fire, gas and dust' |
| 05/09/2012 | CN202212213U Hydraulic crusher for tunnel bottom heaves |
| 05/09/2012 | CN102445526A Portable gas detection alarm device |
| 05/09/2012 | CN102445520A Carbon monoxide gas concentration detection alarm instrument |
| 05/09/2012 | CN102444423A Mine anti-explosion early-warning lamp controller |
| 05/09/2012 | CN102444422A Safety monitoring device for mine |
| 05/02/2012 | CN202209190U Vehicle-mounted, ground and mine beam-tube emergency rescue command system |
| 05/02/2012 | CN202209189U Mine hot blast heater smoke-prevention and fire-prevention monitoring protection device |
| 05/02/2012 | CN202209188U Coal mine well safety monitoring and commanding system |
| 05/02/2012 | CN102439624A Integrated automation system with picture compilation system |
| 05/02/2012 | CN102438038A Mine service method and system based on scenario |
| 05/02/2012 | CN102435696A Gas explosibility identification method of mine gas tube bundle monitoring system |
| 05/02/2012 | CN102434210A Method and system for monitoring underground engineering portrait information and monitoring information safely |
| 05/02/2012 | CN102434209A Monitoring method for influence on adjacent existing structures from tunnel excavation |
| 05/02/2012 | CN102434208A Method and system for forecasting coal and gas bursting |
| 05/02/2012 | CN102434207A Multi-channel trigger device and multi-channel trigger method for tunnel TSP (Tunnel Seism Prediction) advanced geological prediction signal |
| 05/02/2012 | CN102434206A Double-buffering forced reset explosion doors of inclined well and horizontal well |
| 05/02/2012 | CN102434205A Segment crane linear sliding type cable power supply device for shield heading machine |
| 05/01/2012 | US8167251 Air hose support clip to prevent lateral loading |
| 04/26/2012 | DE102010042860A1 Leitungsabhängevorrichtung mit Lastverteilungsblech Line hanging device with load distribution plate |
| 04/25/2012 | CN202204804U 一种便携式无线井下气体检测仪 A portable wireless downhole gas detector |
| 04/25/2012 | CN202203052U Tunnel electric equipment capable of providing electric energy by utilizing wind power |
| 04/25/2012 | CN202202898U 一种声光组合信号装置 A sound and light combination of signaling devices |
| 04/25/2012 | CN202202897U 煤矿高压线路电缆头故障预警系统 Mine high voltage line cable head failure warning system |