| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
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| 04/14/2011 | CA2783501A1 High performance equipment elevating device |
| 04/13/2011 | CN201796253U Touch-type automatic control device of cantilever-type tunnel boring machine |
| 04/13/2011 | CN201794618U Portable type mine safety instrument |
| 04/13/2011 | CN201794617U System for predicting outburst risk of coal and gas in mine in real time |
| 04/13/2011 | CN201794611U Automatic intelligent detection multi-robot system for mines |
| 04/13/2011 | CN201794602U Optical cable ventilation shaft for preventing tunnel from being damaged |
| 04/13/2011 | CN201794556U Automatic gas production system for gas well |
| 04/13/2011 | CN102016627A A wireless information and safety system for mines |
| 04/13/2011 | CN102011612A Multifunctional tube bundle monitoring and emergency extinguishing prevention system |
| 04/13/2011 | CN101660427B Three-chart two-prediction method for quantitative evaluation and prediction of coal-bed top-plate water burst (inrush) conditions |
| 04/13/2011 | CN101539030B Method for forecasting gas by adopting sparse coefficient auto-regression model |
| 04/13/2011 | CN101446204B Installation device of sensor of mine pressure monitoring system |
| 04/09/2011 | CA2682003A1 High performance equipment elevating device |
| 04/06/2011 | EP2303728A1 Method of treating the approaches of acid gas storage wells |
| 04/06/2011 | CN201789631U Mine downhole wireless monitoring and positioning system intelligent terminal based on mobile carrier |
| 04/06/2011 | CN201786389U Methane locking alarm |
| 04/06/2011 | CN201786388U Connection control device of coal mine safety system |
| 04/06/2011 | CN201786387U Auxiliary type coal and gas outburst real-time early warning system |
| 04/06/2011 | CN201786386U Noncontact belt deviation detection device |
| 04/06/2011 | CN201786385U A structure for preventing outburst of coal and gas |
| 04/06/2011 | CN102003212A Multiple-point gas sensing detection system |
| 04/06/2011 | CN102003211A Mine alarm system based on fiber bragg grating sensing |
| 04/06/2011 | CN102003210A Novel infrared control alarm |
| 04/06/2011 | CN102003202A Safety emergency rescue and escape system for mine and construction steps thereof |
| 04/06/2011 | CN102003177A Hydrogeological parameter observation instrument for underground single drill hole |
| 04/06/2011 | CN101148992B Over/under monorail system for longwall mining operations |
| 03/30/2011 | CN201780295U Gas detection device and headlight |
| 03/30/2011 | CN201778794U Automatic monitoring device for metering feeder |
| 03/30/2011 | CN101994522A Miner cap design method for coal mine safety monitoring system |
| 03/30/2011 | CN101994521A Coal mine safety monitoring system |
| 03/24/2011 | DE102009042717A1 Tube connection system for use as molding unit for molding pumps and/or energy supply lines, during filling of pit in mining industry, has sealing surfaces coated by special silicon sealing mass and wound with adhesive band in gap area |
| 03/23/2011 | CN201774524U D-wave communication rescue system for mine disasters |
| 03/23/2011 | CN201773319U 煤矿供电监控系统 Coal mine power monitoring system |
| 03/23/2011 | CN201772893U Underground coal mine goaf monitoring probe protecting device |
| 03/23/2011 | CN101988375A Intelligent tractor hoist of deep well in oil field |
| 03/16/2011 | CN201766619U Application system for well field real-time data and live video information distribution |
| 03/16/2011 | CN201766611U Well-site data remote transmission system based on message oriented middleware |
| 03/16/2011 | CN201765001U Portable standard gas sample flow meter |
| 03/16/2011 | CN201763396U Apparatus for combined tour inspection on draining pumps below high-speed rail and of tunnel and generating set of pumping station |
| 03/16/2011 | CN201763395U Intrinsically safe-type ventilation parameter measurement device for mining |
| 03/16/2011 | CN201763394U Mining roadway fast-sealing curtain |
| 03/16/2011 | CN201763391U Submersible crawler-type gas locking pumper |
| 03/16/2011 | CN201763390U Coalmine cooling water processing system |
| 03/16/2011 | CN201763389U Gob-side entry retaining roadside packing body and back dynamic monitoring device |
| 03/16/2011 | CN201763369U Hydraulic support automatic spraying dust suppression system |
| 03/16/2011 | CN201763351U Cable extension alarm device for shield machine |
| 03/16/2011 | CN101985881A Method for preventing vertical shaft wellhole from being damaged |
| 03/16/2011 | CN101413400B Tunneling operation simple emergent life-saving connection device and mounting method thereof |
| 03/16/2011 | CN101349163B Mine down-hole circular arc arched splitting upper turn-over type water protecting gate |
| 03/16/2011 | CN101289945B Laneway flexible conduit wiring conveying monorail crane |
| 03/09/2011 | CN201756982U Mining infrared methane sensor |
| 03/02/2011 | CN201754636U Mining lamp |
| 03/02/2011 | CN201753618U Multi-service wireless communication system for coal mine |
| 03/02/2011 | CN201753617U Portable harmful gas sensing module for mines |
| 03/02/2011 | CN201753616U Mine drainage monitoring and protecting device |
| 03/02/2011 | CN201753614U Portable mining safety monitoring device |
| 03/02/2011 | CN201753611U Intelligent monitoring and controlling device for mine ventilation |
| 03/02/2011 | CN101982986A Underground personnel positioning system |
| 03/02/2011 | CN101982646A Intelligent travelling escape trunk for mine |
| 03/01/2011 | US7896302 Jet pump sensing line T-bolt clamp assembly |
| 02/23/2011 | CN201751537U Monitoring and early-warning device for tunnel water-burst mud-irruption sudden geologic hazards |
| 02/23/2011 | CN101980015A Combustible gas detector |
| 02/23/2011 | CN101979838A System for forecasting mine water regime and intelligently controlling drainage |
| 02/23/2011 | CN101979835A Method for preventing coal and gas burst by drill communicated coal mining exhaust |
| 02/16/2011 | CN201747406U Mine personnel comprehensive management device |
| 02/16/2011 | CN201747390U Suspension type multifunctional tunnel operation machine |
| 02/16/2011 | CN201747332U Petroleum drilling operation handle with a safety device |
| 02/16/2011 | CN101975092A Real-time prediction method of mine gas concentration in short and medium terms based on radial basis function neural network integration |
| 02/16/2011 | CN101975091A Mine curve alarm |
| 02/16/2011 | CN101975090A Intelligent stress automatic alarm system for monitoring stability of underground metal mine |
| 02/16/2011 | CN101975089A Method for forecasting underground water by using ground penetrating radar head wave phase process |
| 02/16/2011 | CN101975088A Subordinate type coal and gas outburst real-time early warning system |
| 02/16/2011 | CN101975079A Carrying robot for coal mine rescue |
| 02/16/2011 | CN101975076A Structure for preventing coal and gas outburst and method for preventing outburst |
| 02/16/2011 | CN101532389B Control device of local fan of heading face and control method thereof |
| 02/10/2011 | US20110033238 Greenhouse Gas Reservoir Systems and Processes of Sequestering Greenhouse Gases |
| 02/09/2011 | CN201741262U Wireless mine monitoring system |
| 02/09/2011 | CN201738955U Explosion alarming device for gas and other combustible gas |
| 02/09/2011 | CN201738954U Device for monitoring gas consistency in coal mines |
| 02/09/2011 | CN201738949U Mining-use wingspan-type ventilation wind pressure monitoring and alarming system with functions of automatic start and stop |
| 02/09/2011 | CN201738944U Intelligent dust-concentration limited spraying and dedusting device and system thereof |
| 02/09/2011 | CN101968550A Rock stratum recognizing device and method based on array optical fiber sensor |
| 02/09/2011 | CN101967995A Mine safety monitoring application technology |
| 02/02/2011 | CN201732476U Traffic signal monitoring system for slope ramp of mine based on radio frequency identification technology |
| 02/02/2011 | CN201732282U Safety monitoring and managing system of coal mine underground operation personnel |
| 02/02/2011 | CN201730642U Cable reel limit alarming device |
| 02/02/2011 | CN201730641U Roof pressure alarm device |
| 02/02/2011 | CN201730640U Underground monitoring network system based on ZigBee network node |
| 02/02/2011 | CN201730639U Device for preventing reverse isolation |
| 02/02/2011 | CN101964669A Underground communication system |
| 02/02/2011 | CN101964140A Remote control blasting device with functions of interlocking and automatically pressurizing |
| 02/02/2011 | CN101963071A Equivalent drilling cuttings weight continuous monitoring device and method |
| 02/02/2011 | CN101963067A Pipeline node device for underground danger detection and rescue |
| 02/02/2011 | CN101961532A Disaster-situation accompanying robot |
| 01/26/2011 | CN201723253U Coal mine underground accident warning device |
| 01/26/2011 | CN101956569A Triple-use switching valve |
| 01/26/2011 | CN101956568A Mining management system and working method thereof |
| 01/26/2011 | CN101956567A Intrinsic safety all-fiber underground monitoring system |
| 01/26/2011 | CN101956566A Dynamic disaster monitoring substation of coal rock |
| 01/26/2011 | CN101956564A Autonomous intelligent detection multi-robot system for mine |