| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
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| 09/26/2012 | CN202451219U Electric whistle for alarm of main fan of mine working surface |
| 09/26/2012 | CN202451218U Rock stress and strain monitor for coal mine |
| 09/26/2012 | CN202451217U Inclined shaft and footrill self-weight reset explosion door |
| 09/26/2012 | CN202451216U Power supply system for mine emergency communication device |
| 09/26/2012 | CN102691525A Method and system for remote three-dimensional digital safety early warming for tunnel construction landslide |
| 09/26/2012 | CN102691524A Remote digital intelligent early-warning method and early-warning system of water inrush and mud inrush in underground engineering construction |
| 09/26/2012 | CN102691523A Harmful gas remote digital intelligent monitoring and early warning method and system for underground engineering |
| 09/26/2012 | CN102691522A Method for forming dynamic salient danger prognostic map of working face |
| 09/26/2012 | CN102691521A Installation method for driving working face monitoring system |
| 09/26/2012 | CN102691520A Monitoring system for heading face |
| 09/26/2012 | CN102691519A Visual physical simulation and shape control test device for cavity modeling of multi-interlayer salt rock |
| 09/26/2012 | CN102691516A Full-automatic disaster blocking-preventing device for mine shaft winch tunnel |
| 09/26/2012 | CN101746423B Search and rescue robot used in pit |
| 09/26/2012 | CN101666197B Control system used for vertically rotary flood and preventive door |
| 09/20/2012 | DE102011112040B3 Radiation protection offset i.e. radiation protection net, for use in mining industry, has ground connectors formed between flowing crystals and lead balls, where offset exhibits flow characteristics by addition of lead balls |
| 09/19/2012 | CN202441439U Box-carrying type monitoring substation frame |
| 09/19/2012 | CN202441438U Rock burst and gas density prewarning system based on Zigbee wireless communication |
| 09/19/2012 | CN202441437U Pre-warning safety detector of top plate |
| 09/19/2012 | CN202441436U explosion door disaster-reduction control system of underground air return main roadway |
| 09/19/2012 | CN202441435U Explosion-proof water barrier hanging device |
| 09/19/2012 | CN102682341A System and method for managing coal mine emergency rescue command information |
| 09/19/2012 | CN102678180A Remote digital safety pre-warning method and system for stability of primary support stress of tunnel |
| 09/19/2012 | CN102678179A Safety early warning method for deformation and sinking of tunnel vault |
| 09/19/2012 | CN102678178A Safety early-warning analyzer for freezing construction for connecting aisle of tunnel and working method of safety early-warning analyzer |
| 09/19/2012 | CN102678177A Automatic rapid closing device for remote control of coal mine disasters |
| 09/19/2012 | CN102678176A Immediate plugging air bag device |
| 09/19/2012 | CN102678175A Mining flexible inflatable air bag |
| 09/19/2012 | CN102678170A Full-automatic disaster plugging and prevention device for mine overhead rail and rope roadway |
| 09/19/2012 | CN102678169A Full-automatic disaster blocking preventing device for mine drift |
| 09/19/2012 | CN102678168A Full-automatic disaster plugging and preventing device for mine railway transportation lane |
| 09/19/2012 | CN102678161A Automatic spraying dust-falling device and automatic control assembly |
| 09/19/2012 | CN101929352B Explosive material warehouse |
| 09/19/2012 | CN101832152B Downhole accident monitoring method of WSN mine safety monitoring system with recombination function |
| 09/12/2012 | CN202435288U Mining flameproof and intrinsic safety power supply |
| 09/12/2012 | CN202431305U Special mining lamp and special mining monitoring system |
| 09/12/2012 | CN202431304U 多功能矿山安全监测装置 Multifunction Mine Safety Monitoring Device |
| 09/12/2012 | CN202431303U Locking device of flood-proof gate |
| 09/12/2012 | CN202431280U Tunnel plugging device for water-sealed cavern |
| 09/12/2012 | CN102665072A Intrinsically safe helmet type miner lamp pickup and monitoring system for mining |
| 09/12/2012 | CN102661173A Mine oxygen gas concentration monitoring system based on Internet of things |
| 09/05/2012 | CN202424845U Real-time wireless supervisory system for safety production of coal mine |
| 09/05/2012 | CN202422396U Coal mine underground worker navigation system based on low power consumption local area network protocol |
| 09/05/2012 | CN202422368U Communication and acousto-optic alarm miner lamp |
| 09/05/2012 | CN202419844U Energy-saving explosion-proof exhaust system |
| 09/05/2012 | CN202419511U Voice alarming LED lamp for mine |
| 09/05/2012 | CN202419156U Light emitting diode (LED) mining lamp with communication digital-display alarming function |
| 09/05/2012 | CN202419146U Multifunctional miner's lamp |
| 09/05/2012 | CN202417604U Novel speed sensor for mining |
| 09/05/2012 | CN202417603U Mining explosion suppression and intrinsically safe type LED (Light Emitting Diode) alarm display device |
| 09/05/2012 | CN202417602U Voice alarm mining annunciator |
| 09/05/2012 | CN202417601U Mine water-level alarming device |
| 09/05/2012 | CN202417600U Full-fiber temperature monitoring system in underground gob of coal mine |
| 09/05/2012 | CN202417599U Mining acousto-optic alarming device |
| 09/05/2012 | CN202417598U Novel mine monitoring system with carrier communication |
| 09/05/2012 | CN202417597U Human body warning device for mining |
| 09/05/2012 | CN202417596U Robot for monitoring coal mine underground fire |
| 09/05/2012 | CN202417595U Sensor lifting device |
| 09/05/2012 | CN202417587U Multifunctional lifesaving conjoined suit |
| 09/05/2012 | CN202416552U Transporting device for inner part of pipeline |
| 09/05/2012 | CN102655630A WIFI (wireless fidelity) technology based underground intelligent mobile terminal system |
| 09/05/2012 | CN102654062A Top plate dynamical monitoring method for comprehensive mechanical filling and mining gob |
| 09/05/2012 | CN101982646B Intelligent travelling escape trunk for mine |
| 09/05/2012 | CN101886550B Method for automatically closing through thrown counterweight after opening coal mine anti-explosion cover by explosion impact wave |
| 09/05/2012 | CN101867604B Remote monitoring system of mineral resource excavating surface operation |
| 09/05/2012 | CN101603433B Method for identifying and predicting tunnel gas in fuzzy pattern |
| 08/29/2012 | EP2491229A1 Cable support hook |
| 08/29/2012 | CN202406143U Mining wireless sensor |
| 08/29/2012 | CN202402079U Mining device for positioning, communicating, monitoring and detecting workers |
| 08/29/2012 | CN202402078U Frequency-hopping time-staggered transceiving underground personnel positioning system |
| 08/29/2012 | CN102650216A Geological carbon dioxide storage system with improved reliability |
| 08/29/2012 | CN102650214A Early warning method and system for on-line monitoring and analysis of mine ventilation system |
| 08/22/2012 | CN202395997U Mine underground wireless self-networking communication system |
| 08/22/2012 | CN202395906U WLAN (Wireless Local Area Network)-based mine rail locomotive transport monitoring system |
| 08/22/2012 | CN202395786U Emergency broadcast voice system for mine |
| 08/22/2012 | CN202393759U Methane sensor |
| 08/22/2012 | CN202391476U Emergency stop sensor |
| 08/22/2012 | CN202391475U Portable safety recorder |
| 08/22/2012 | CN202391474U Mine emergency integrated monitoring system |
| 08/22/2012 | CN202391460U Mine drum precipitator |
| 08/22/2012 | CN202391455U Mining horizontal type dry filter-bag dust collector |
| 08/22/2012 | CN202391446U Mine double-power-supply double-blower ventilating system |
| 08/22/2012 | CN202390797U Tunnel wall surface cleaning vehicle suitable for tunnel wall surface with non-rectangular section |
| 08/22/2012 | CN102644482A Rock burst predicting and warning method |
| 08/22/2012 | CN102644481A Portable information device for miner |
| 08/22/2012 | CN102644480A RFID (Radio Frequency Identification Devices) and wireless sensing-based real-time positioning early warning system for mine |
| 08/22/2012 | CN102644468A Damping device used for crossover parts of underground short-distance crossing structures |
| 08/22/2012 | CN102053573B Hierarchical monitoring method for metro tunnel flood gate |
| 08/16/2012 | WO2012107470A1 Underground water-management system for mines |
| 08/16/2012 | DE102011011314A1 Tübbing mit Wärmekollektor Tubbing with heat collector |
| 08/16/2012 | CA2825072A1 Underground water management system for mines |
| 08/15/2012 | EP2486988A1 Subterranean water management system for mines |
| 08/15/2012 | CN202385220U Networked coal mine voice video monitoring system |
| 08/15/2012 | CN202383262U LS-SM-based underground monitoring substation power supply safety early warning system |
| 08/15/2012 | CN202381122U Energy-saving explosion-proof warning light controller for mine |
| 08/15/2012 | CN202381121U Mine pressure detecting system of ARM (advanced RISC machine)-controlled multiplex pressure sensor |
| 08/15/2012 | CN202381120U Coal mine downhole fire hazard monitoring system based on wireless sensor network |
| 08/15/2012 | CN102639815A Cable support hook |
| 08/15/2012 | CN102636523A Preparation method of mine tunnel collapse alarm detection wire |
| 08/15/2012 | CN102635406A Underground positioning method |
| 08/15/2012 | CN102635405A Real-time microseismic monitoring system and monitoring method for coal mines |