| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
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| 05/08/2013 | CN202926393U Digital signal detecting device of coal mine safety monitoring system |
| 05/08/2013 | CN202926392U Test and failure warning device of coal mine air quantity sensor |
| 05/08/2013 | CN202926391U Mining area voice reminder based on pyroelectric infrared sensor |
| 05/08/2013 | CN202926390U Lifting-type water-returning lock gate |
| 05/08/2013 | CN202926389U Wiring device of mud logging unit |
| 05/08/2013 | CN202926371U Gas explosion suppression device controller |
| 05/08/2013 | CN103093602A Remote control device for mining |
| 05/08/2013 | CN103090328A Mining lamp holder |
| 05/08/2013 | CN103089309A Actual measurement method of gas expansion energy emitted by coal seams for accurately predicting coal and gas outburst risks and measurement device thereof |
| 05/08/2013 | CN103089308A Coal mine personnel positioning label system based on radio frequency identification device (RFID) technology |
| 05/08/2013 | CN103089307A Mine safety production command and dispatching system |
| 05/08/2013 | CN103089306A Method for constructing underground gas storage by depleted oil-gas reservoir |
| 05/08/2013 | CN103089305A Risk assessment method for coal and gas outburst of coal beds |
| 05/08/2013 | CN103089304A Heaving floor monitoring method |
| 05/08/2013 | CN102162375B On-site hot smoke test equipment and method for subway station and inter-station tunnel |
| 05/08/2013 | CN102155231B Quick feedback analyzing system in tunnel constructing process |
| 05/08/2013 | CN102080539B Mineral exploration method adopting rotaary and crossed type mineral exploration network |
| 05/02/2013 | WO2013060469A1 A method and system for increasing the operational safety of mobile machines in aboveground or underground mining operations for the extraction of minerals by utilizing the rfid technology |
| 05/02/2013 | DE102011054926A1 Verfahren und System zur Erhöhung der Betriebssicherheit von mobilen Maschinen in übertägigen oder untertägigen Abbaubetrieben zur Mineraliengewinnung unter Nutzung der RFID-Technik Method and system for increasing the reliability of mobile equipment in surface and underground mining operations for extracting minerals using RFID technology |
| 05/02/2013 | CA2852657A1 A method and system for increasing the operational safety of mobile machines in aboveground or underground mining operations for the extraction of minerals by utilizing the rfid technology |
| 05/01/2013 | CN202916644U Novel mining monitoring sub-station |
| 05/01/2013 | CN202914137U Communication terminal suitable for downhole miners |
| 05/01/2013 | CN202914136U Mining proximity sensor |
| 05/01/2013 | CN202914135U Distribution type underground reservoir |
| 05/01/2013 | CN202914119U Automatic control system for air current stability of coal face |
| 05/01/2013 | CN202913855U Control device of mining air-tight door |
| 05/01/2013 | CN103075195A Measurement system and method for stress of surrounding rock of hipparion red soil tunnel under influence of crack water |
| 05/01/2013 | CN103075194A Monorail haulage roadway signalling device and control method thereof |
| 05/01/2013 | CN103075193A Mineral hand-type disaster information identification system and method |
| 05/01/2013 | CN103075192A Grid type temporary replacing device for footrill and explosion door of inclined shaft |
| 05/01/2013 | CN103075191A Power supply system and method for mine emergency communication equipment |
| 05/01/2013 | CN103075190A Cable support for supporting cable in subway tunnel |
| 05/01/2013 | CN103075183A Method for detecting information of survivors in mine disasters |
| 05/01/2013 | CN102353962B Wireless distance measuring device and wireless distance measuring method for hydraulic supports, and hydraulic support using device and method |
| 05/01/2013 | CN102337923B Control device of concentration and pressure of gas |
| 04/25/2013 | WO2012172435A3 A transverse electromagnetic gradiometer including an electromagnetometer having a longitudinal slit in the electrostatic shield |
| 04/24/2013 | DE202013001987U1 Gasspeichereinrichtung Gas storage system |
| 04/24/2013 | CN202904847U Well field data collection transmission instrument |
| 04/24/2013 | CN202904297U Digital display signal communication sudden stop control box for coal mines |
| 04/24/2013 | CN202900327U Third generation telecommunication (3G) locating total management system of mine |
| 04/24/2013 | CN202900326U Coal mine dust monitoring system |
| 04/24/2013 | CN202900325U Rock stratum caving height monitor device |
| 04/24/2013 | CN202900324U Multi-functional protection air-tight door used for coal min |
| 04/24/2013 | CN202900323U Heat exchange chamber in mine |
| 04/24/2013 | CN103069110A Engineered mine seal |
| 04/24/2013 | CN103062502A Mine 8-connection cable hook for fixing tops |
| 04/24/2013 | CN103061813A Ultrasonic multipoint real-time monitoring method for mine surrounding rock top plate disasters |
| 04/24/2013 | CN103061812A Remote security monitoring system of ventilation shaft of coal mine |
| 04/24/2013 | CN103061811A 矿井安全监测系统 Mine safety monitoring system |
| 04/24/2013 | CN103061810A Water level alarming device for underground laneways |
| 04/24/2013 | CN103061809A Mine adit fire separation device |
| 04/24/2013 | CN103061808A Pressure relief method aimed at strata behaviors of gob side entries of fully mechanized caving faces |
| 04/24/2013 | CN101915090B System and method for monitoring sand production rate of oil-gas well |
| 04/24/2013 | CN101854389B Multi-service wireless communication system for coal mine |
| 04/18/2013 | WO2013053978A1 A method, system and a device for controlling a work machine |
| 04/18/2013 | WO2013053977A1 A method, system and a device for controlling a work machine |
| 04/18/2013 | WO2013053975A1 Maintenance of work machines |
| 04/18/2013 | CA2849941A1 Diagnostics of work machines |
| 04/17/2013 | CN202889660U Multi-business mine wireless terminal based on Android platform |
| 04/17/2013 | CN202886911U Mine monitoring system |
| 04/17/2013 | CN202884870U Methane gas voice alarm mining light |
| 04/17/2013 | CN202883021U Remote and construction-site three-dimensional digital safety pre-warning system for tunnel construction collapse |
| 04/17/2013 | CN202883020U Remote and on-site three-dimensional digital pre-warning system for deformation stability of primary tunnel support |
| 04/17/2013 | CN202883019U Remote and on-site digital intelligent monitoring and pre-warning system for harmful gas of underground engineering |
| 04/17/2013 | CN202883018U Remote and on-site three-dimensional digital intelligent pre-warning system for water outburst and mud outburst of underground engineering construction |
| 04/17/2013 | CN202883017U Online monitoring and pre-warning system for coal mine anchor cable stress |
| 04/17/2013 | CN202883016U Coal mine anti-explosion voice signboard |
| 04/17/2013 | CN202883015U Multifunctional gas alarm |
| 04/17/2013 | CN202883014U Sound-light alarm loudspeaker box |
| 04/17/2013 | CN202883013U Coal mine explosion-proof monitoring robotic system |
| 04/17/2013 | CN202883012U Detonator detector used in the pit |
| 04/17/2013 | CN202883011U Mining integrated intelligent agent |
| 04/17/2013 | CN202883010U Mining rescue wireless video communication system |
| 04/17/2013 | CN202883009U Roadway pipeline hanging pipe clamp supported and protected by steel rigid support |
| 04/17/2013 | CN202882993U Rescue cart capable of expanding search coverage |
| 04/17/2013 | CN103052153A Underground coal mine WiFi (Wireless Fidelity) staff positioning system and positioning method based on TOA (Time of Arrival) |
| 04/17/2013 | CN103046962A Mine end data monitoring device for coal mines |
| 04/17/2013 | CN103046961A Robot and method for independently establishing wireless communication network for mine emergency rescue |
| 04/17/2013 | CN103046960A Safety awareness reminding device for mine hazardous operation work types |
| 04/17/2013 | CN103046957A Rapidly installed automatic detection control and organization command system for mine rescue and drainage |
| 04/17/2013 | CN102322854B Tunnel monitoring measuring point and TSP (Total Suspended Particulate) blasthole layout device and method |
| 04/17/2013 | CN102305102B Liquid level control system of coal mine shaft sump |
| 04/17/2013 | CN102287223B Integrated life security device of refuge chamber or life-saving compartment based on PID (proportion-integration-differentiation)) integrated control |
| 04/10/2013 | CN202866897U Monitoring and controlling system of mine |
| 04/10/2013 | CN202866896U Locating and monitoring device for mine personnel |
| 04/10/2013 | CN202866895U Pedestrian detection device for mining |
| 04/10/2013 | CN202866883U Multi-parameter networked emergency rescue system for mine |
| 04/10/2013 | CN202866878U Downhole search-and-rescue device |
| 04/10/2013 | CN202866869U Portable gas drainage integrated parameter detector |
| 04/10/2013 | CN202866853U Roadway flooding ventilating alarming device |
| 04/10/2013 | CN202866844U Resistance increasing deformed anchor rod or anchor cable anchoring quality monitoring device |
| 04/10/2013 | CN202866843U Tunnel surface convergence observation station |
| 04/10/2013 | CN103037545A Vehicle-mounted voice machine |
| 04/10/2013 | CN103037464A Wireless monitoring equipment for coal mines |
| 04/10/2013 | CN103032100A Intelligent dynamic disaster risk detection method for mine |
| 04/10/2013 | CN103032099A Prefabricated partition wall structure of lateral smoke discharge passage of shield tunnel |
| 04/10/2013 | CN103032098A 监测控制装置及煤矿安全监控系统 Monitoring and control equipment and mine safety monitoring system |
| 04/10/2013 | CN103029836A Information rapid access and emergency rescue airdrop robot system in disaster environment |
| 04/10/2013 | CN102003211B Mine alarm system based on fiber bragg grating sensing |
| 04/10/2013 | CN101871364B Remote control method and device of thin seam working surface coal mining machine |