| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
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| 08/14/2013 | CN203130159U Cap-type oxygen measuring equipment |
| 08/14/2013 | CN203130158U Gas linkage detector |
| 08/14/2013 | CN203130157U Underground coal mine wireless locating system based on Wifi |
| 08/14/2013 | CN203130156U Novel coal mine dust measuring and controlling system with CAN bus |
| 08/14/2013 | CN203130155U Multifunctional voice and digital displaying methane alarming miner lamp |
| 08/14/2013 | CN203130154U Grate bar type temporary alternative device for footrill and inclined shaft explosion door |
| 08/14/2013 | CN203130153U Embedded channel assembly used for shield tunnel |
| 08/14/2013 | CN203130145U Mine accident life-saving system |
| 08/14/2013 | CN103248398A Mine multi-service communication system |
| 08/14/2013 | CN103244189A Coal mine underground network restoration and reconstruction method based on swarm robot system |
| 08/14/2013 | CN103244188A Coal mine underground integrated monitoring and controlling system based on internet of things technology |
| 08/14/2013 | CN103244187A Early-warning comprehensive index system of coal and gas outburst inoculation and development process |
| 08/14/2013 | CN103244186A Identification, tracking and early-warning system based on coal and gas outburst development process |
| 08/14/2013 | CN103244185A Early warning method for instability of bolt-supported roadway roof separation |
| 08/14/2013 | CN103244184A Real-time mine pressure monitoring system for downhole fully-mechanized coal mining face |
| 08/14/2013 | CN103244183A Construction method for additionally constructing shed tunnel contact network in water disaster area |
| 08/14/2013 | CN103244182A Prevention method of air shock wave disaster in mine goaf |
| 08/14/2013 | CN103244181A Operating platform device for tunnel illumination maintenance |
| 08/14/2013 | CN103244180A Gob-side entry driving surrounding rock control method using remaining small pillars |
| 08/14/2013 | CN103244179A Assessment method for predicting underground rock burst danger of coal mine |
| 08/14/2013 | CN103244173A Ground mobile rescue vehicle for supporting underground urgent danger prevention system |
| 08/14/2013 | CN103244169A Water spray fire-proof rolling shutter device fire extinguishing system special for tunnels |
| 08/13/2013 | CA2584056C Boom arrangement for a scaling device and scaling device |
| 08/07/2013 | CN203120178U Mobile voice communication device for mining locomotives |
| 08/07/2013 | CN203120169U Wireless monitoring equipment for coal mines |
| 08/07/2013 | CN203120165U Coal mine gas detection work tracking and management device |
| 08/07/2013 | CN203114349U Coal mine safety monitoring system based on mobile GIS |
| 08/07/2013 | CN203114348U Coal mine disaster early-warming pre-arranged planning platform based on message bus |
| 08/07/2013 | CN203114347U Novel mine underground safety signal column |
| 08/07/2013 | CN203114346U System for judging and identifying outburst accident and forecasting gas emission scale |
| 08/07/2013 | CN203114345U Mine monitoring and alarm mobile terminal |
| 08/07/2013 | CN203114344U Positioning management system of miner under well |
| 08/07/2013 | CN203114343U Mine safety monitoring system |
| 08/07/2013 | CN203114322U Intelligent power-free tunnel ventilation device |
| 08/07/2013 | CN103237200A Portable intelligent underground coal mine terminal host computer |
| 08/07/2013 | CN103233777A Safe mine pressure monitoring method and device for roof |
| 08/07/2013 | CN103233776A Real-time information management, positioning and pre-warning method and system for hidden danger of coal mine |
| 08/07/2013 | CN103233775A Large-volume water sump for underground mine |
| 08/07/2013 | CN103233770A Underground voice prompt guide device |
| 08/01/2013 | US20130197737 System and method for remote monitoring of drilling equipment |
| 07/31/2013 | EP2486988B1 Subterranean water management system for mines and method of operating this water management system |
| 07/31/2013 | CN203104800U Coal mine gas information monitoring system based on mobile Agent |
| 07/31/2013 | CN203102524U Optical fiber monitoring alarm controller |
| 07/31/2013 | CN203097950U Underground gas density real-time monitoring system used in mine |
| 07/31/2013 | CN203097949U Audible and visual alarm for coal mine |
| 07/31/2013 | CN203097948U Multi-parameter sensor for coal mine |
| 07/31/2013 | CN203097947U Coal mine video remote monitoring system base on service-oriented architecture (SOA) |
| 07/31/2013 | CN203097946U Anti-explosion air-tight door for mine refuge chamber |
| 07/31/2013 | CN203097945U Power and liquid supplying system for fully mechanized caving face |
| 07/31/2013 | CN203097944U Emergency power supply system for coal mining equipment |
| 07/31/2013 | CN203090294U Intelligent interlocking compressed oxygen self-rescuer |
| 07/31/2013 | CN203089093U Novel mine personnel positioning device |
| 07/31/2013 | CN103228041A Underground coal mine personnel positioning system and positioning method |
| 07/31/2013 | CN102200028B Multi-parameter sensor device outside underground shelters |
| 07/31/2013 | CN102080570B Twin-turbine underground high-power generator |
| 07/31/2013 | CN101603432B Hydraulic station |
| 07/31/2013 | CA2813395A1 Ultimate cyber security switch, 9/11-equivalent event-proof switch, and others |
| 07/31/2013 | CA2804499A1 Overhead power grid for mobile mining machines |
| 07/25/2013 | WO2013106899A1 Post-accident network probe and method of using the same |
| 07/25/2013 | CA2863414A1 Post-accident network probe and method of using the same |
| 07/24/2013 | CN203086483U A mine broadcasting system based on a telephone exchange |
| 07/24/2013 | CN203086466U Mine emergency communication system |
| 07/24/2013 | CN203083914U Intrinsically safe smoke sensor for mine |
| 07/24/2013 | CN203083715U Inspection recording device for mine temperature |
| 07/24/2013 | CN203081508U Safety monitoring system for coal mine |
| 07/24/2013 | CN203081507U Mine end data monitoring device for coal mine |
| 07/24/2013 | CN203081506U Monitoring and controlling integrated system for mine |
| 07/24/2013 | CN203081504U Auxiliary chute of tunnel ditch cable slot pouring concrete |
| 07/24/2013 | CN103220825A Downhole large-scale crowd emergency synergy evacuating and guiding technology and system |
| 07/24/2013 | CN103220197A Integrated mine communication system based on code division multiple access (CDMA) technology |
| 07/24/2013 | CN103216267A Audible and visual alarming device of chained air door under mine shaft |
| 07/24/2013 | CN103216266A Pressure detecting method for preventing clogging of filling pipeline |
| 07/24/2013 | CN103216265A High-stress roadway surrounding rock deformation control method |
| 07/24/2013 | CN103216264A Method for controlling deformation of surrounding rock of basic rimrock layer on presplitting blasting mining roadway |
| 07/24/2013 | CN102155266B Method for detecting abnormity of gas quantity monitoring information in coal mine monitoring system |
| 07/23/2013 | US8490929 Beam clamp connector |
| 07/18/2013 | WO2013104023A1 Mining machine and hopper assembly for a mining machine |
| 07/17/2013 | CN203067034U Wireless monitoring device for coal mine gas |
| 07/17/2013 | CN203067033U Underground intelligent positioning label |
| 07/17/2013 | CN203067032U Coal mine dust detecting system |
| 07/17/2013 | CN203067031U Underground positioning and navigation escape system |
| 07/17/2013 | CN203067030U Mining flameproof and intrinsic safety type sound-light alarm |
| 07/17/2013 | CN203067029U Mining multifunctional trolley |
| 07/17/2013 | CN203067028U Monorail transport roadway signal device |
| 07/17/2013 | CN203067022U Management system for mine evacuation facility |
| 07/17/2013 | CN103207147A Intrinsically safe smog sensor for mine |
| 07/17/2013 | CN103206247A Positioning and real-time early warning device for hidden danger of coal mine |
| 07/17/2013 | CN103206246A Fire prevention monitor in stope face goaf |
| 07/17/2013 | CN103206245A Intelligent mining device for predicting and identifying coal seams vibration and method for achieving same |
| 07/17/2013 | CN103206244A Ethernet bus type coal and gas outburst micro vibration acoustic emission integration monitoring system |
| 07/17/2013 | CN103206240A Multifunctional lifesaving one-piece suit |
| 07/17/2013 | CN103206239A Equipment for comprehensively preventing one-ventilation three-prevention accidents on driving face |
| 07/17/2013 | CN102291575B Intelligent video monitoring system for integrative mining working surface |
| 07/17/2013 | CN102042027B Coal mine gas drilling drainage device |
| 07/11/2013 | WO2013103448A1 Method for production of hydrocarbons using caverns |
| 07/11/2013 | CA2857393A1 Method for production of hydrocarbons using caverns |
| 07/10/2013 | CN203057643U Multifunctional LED lithium electric mining lamp |
| 07/10/2013 | CN203057536U Mining intrinsically safe portable emergency wireless communication apparatus |
| 07/10/2013 | CN203057532U Wifi-based underground wireless communication system for coal mine |
| 07/10/2013 | CN203055136U Mining remote control emitter |