| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
|---|
| 08/10/2011 | CN102146807A Unit structure for monitoring microseism of coal mining roof |
| 08/10/2011 | CN102146806A Novel underground gas positioning and monitoring system |
| 08/10/2011 | CN102146803A Collection and utilization system outside coal mine gas well |
| 08/10/2011 | CN102146797A Short-section temporary gob-side entry retaining method |
| 08/10/2011 | CN101598019B System for automatically controlling coal-gangue boundary based on terahertz wave |
| 08/04/2011 | WO2011092651A1 Intrinsically safe connection unit with a network interface, intrinsically safe appliance and network interface for it |
| 08/03/2011 | CN201916003U 密闭远程监测系统 Closed remote monitoring system |
| 08/03/2011 | CN201916002U 高速公路隧道联动控制装置 Highway tunnel linkage control device |
| 08/03/2011 | CN201916001U Remote laser monitoring system for tunnel horizontal convergence |
| 08/03/2011 | CN201915995U 生命信息钻孔探测系统 Life Information drilling detection system |
| 08/03/2011 | CN201915963U 连续采煤机旁路急停装置 Continuous miner bypass emergency stop devices |
| 08/03/2011 | CN201915959U 采煤机 Shearer |
| 08/03/2011 | CN201915893U 反应型泡沫封孔系统 Reactive foam sealing system |
| 08/03/2011 | CN102141564A Automatic detector for analysis speed of coal gas |
| 08/03/2011 | CN102140930A Management system of production and transportation measuring information of underground ores and using method thereof |
| 08/03/2011 | CN102140929A Mine safety production inspection system |
| 08/03/2011 | CN101706585B Method for electrically forecasting danger in underground tunneling engineering |
| 08/02/2011 | US7988110 Cable clamp |
| 07/28/2011 | DE102008050211B4 Material zur Verbesserung der Flüssigkeitsdichtheit einer Bitumen- oder Asphaltdichtung durch wesentliche Verbesserung der Adhäsion bzw. Benetzung in der Kontaktzone zum Salzgestein Material to improve the liquid tightness of a bitumen or asphalt seal by significant improvement in adhesion and wetting in the contact zone of salt rock |
| 07/27/2011 | CN201908691U Explosion suppression and intrinsic safety type central control device for explosive gas environments |
| 07/27/2011 | CN201908690U Novel downhole gas positioning monitor system |
| 07/27/2011 | CN201908689U Linkage warning system for mine gas accident |
| 07/27/2011 | CN201908688U Wall-penetrating sealing device of coal mine underground belt conveyor |
| 07/27/2011 | CN201908681U Coal mine underground refuge chamber |
| 07/27/2011 | CN201908676U Mine gas drilling-draining device |
| 07/27/2011 | CN201908667U Ceiling lifting and descending alarm device of roof bolter |
| 07/27/2011 | CN201908650U Injection well pressure anomaly remote data alarm device |
| 07/27/2011 | CN102137511A Wireless sensor network system for underground mines and application thereof |
| 07/27/2011 | CN102135071A Wind-driven energy-storage power generating device |
| 07/27/2011 | CN102135010A Fracturing detector under coal mine well |
| 07/27/2011 | CN102134992A Method and device for high-speed wired duplexing information communication between well and ground |
| 07/27/2011 | CN102134991A Method and device for high-speed wireless duplexing information communication between inside of slurry drilling well and ground surface |
| 07/27/2011 | CN101644928B Mine trackless rubber tire vehicle transport monitoring device and dispatching method therefor |
| 07/27/2011 | CN101139938B Method and equipment for driving mining device |
| 07/20/2011 | CN201903646U Coal cutter position detection device |
| 07/20/2011 | CN201903524U Digital gas alarm to be used with mine lamp |
| 07/20/2011 | CN201902237U Portable metal support |
| 07/20/2011 | CN201902236U Comprehensive life monitoring system |
| 07/20/2011 | CN201902228U Automatic regulation and control early warning system for underground gas extraction pipeline concentration |
| 07/20/2011 | CN102128049A Life information drilling exploration system |
| 07/20/2011 | CN102128034A Methane safe control method for tunneling methane stratum-containing tunnel shield |
| 07/20/2011 | CN102127885A WINCE system-based rail transit real-time detection system and detection method |
| 07/13/2011 | CN201896635U Fully automatic correction system of alarming mine lamp |
| 07/13/2011 | CN201896634U Explosion-proof multifunctional load center device for coal mine |
| 07/13/2011 | CN201896630U Coal-mine digital outburst prevention mining on-line monitoring system |
| 07/13/2011 | CN201896625U Energy conservation and safety control system of mining fan |
| 07/13/2011 | CN201896609U Novel underground wireless and mobile safety data collection device |
| 07/13/2011 | CN102121396A Coal mine water flood rescuer |
| 07/13/2011 | CN102121376A Intelligent coal seam gas pressure tester |
| 07/06/2011 | CN201892964U Wrist-watch-type underground personnel identification card |
| 07/06/2011 | CN201891437U Air door whistling and car stopping device for main haulage roadways of mines |
| 07/06/2011 | CN201891436U Concentration monitoring alarm for various gases |
| 07/06/2011 | CN201891435U Energy absorber for preventing explosion impact |
| 07/06/2011 | CN201891418U Clamping and drawing device for tunnel geology advanced prediction receiving probe protective casing |
| 07/06/2011 | CN102118427A Mine locomotive monitoring system under multilayer heterogeneous industrial control network convergence technology |
| 07/06/2011 | CN102116174A System for monitoring pressure of paste-filling pipeline on line |
| 07/06/2011 | CN102116173A Divided type movable isolating door setting for vacuum pipeline transportation |
| 07/06/2011 | CN101532396B Coal mine safety monitoring system connected with explosion impact air-pressure explosion-protection sensors |
| 06/29/2011 | CN201886330U Coil cable control device |
| 06/29/2011 | CN201884070U Preceding geology predictor applied to tunnel fast drilling rig |
| 06/29/2011 | CN201884069U Oil-gas pipeline and pipeclay relative displacement monitoring system in mined-out collapse area |
| 06/29/2011 | CN201884068U Mine fire-resistant roller shutter door |
| 06/29/2011 | CN201884067U Vertical shaft cable laying brake |
| 06/29/2011 | CN201884066U Adjustable support |
| 06/29/2011 | CN201884065U Mine tunnel heat insulation and fire prevention composite wall |
| 06/29/2011 | CN201884062U Mine intrinsic safety type automatic dewatering and measurement and control protective device |
| 06/29/2011 | CN201884059U Underground mine slip-breaking system |
| 06/29/2011 | CN201884055U Exploratory hole-dedicated audio-video communication instrument for mining mishaps |
| 06/29/2011 | CN201884052U Mine potential safety hazard closed loop management system |
| 06/29/2011 | CN201879035U Water jug for mine use |
| 06/29/2011 | CN102111431A Underground personnel and material real-time online monitoring system and method for coal mine |
| 06/29/2011 | CN101555804B Cable reel hydraulic drive and cable limiting length control system assembly |
| 06/29/2011 | CN101113675B Coal mine tunnel life searching and positioning work attendance system |
| 06/22/2011 | CN201876974U Multi-functional mine-used intrinsic safety type alarm |
| 06/22/2011 | CN201876723U Monitoring system |
| 06/22/2011 | CN201876588U Temperature sensing optical cable for monitoring downhole temperature of coalmine |
| 06/22/2011 | CN201876543U Underground personnel positioning and monitoring system with electricity-saving radio-frequency identification card |
| 06/22/2011 | CN201874619U Gas monitoring control system |
| 06/22/2011 | CN201874618U Automatic monitoring instrument for air quantity in mine |
| 06/22/2011 | CN201874617U Online monitor |
| 06/22/2011 | CN201874616U Wireless communication system for mine refuge chamber |
| 06/22/2011 | CN201874615U Pipe-conveying paste cleaning ball catcher |
| 06/22/2011 | CN201874603U High-pressure and small-jet device for preventing and controlling outburst of coal and gas |
| 06/22/2011 | CN201874547U Preparation device for dissolution cavity model of rock salt gas storage |
| 06/22/2011 | CN201872771U Novel wireless transmission mobile monitoring device for railway electric locomotive |
| 06/22/2011 | CN102102538A Orifice data processing device for coal mine underground measurement while drilling |
| 06/22/2011 | CN102102537A Tunnel surrounding rock radial stress strain distributed monitoring technology |
| 06/22/2011 | CN102102536A Method for storing gas by using abandoned tunnel |
| 06/22/2011 | CN102102535A Dual-power dual-fan integrated switch with preferred main power |
| 06/22/2011 | CN102102534A Underwater power generation |
| 06/22/2011 | CN102102533A Method for forecasting real-time measurement of spatial geometrical information of coal rock dynamic disaster |
| 06/16/2011 | WO2011069266A1 Method and device for generating proximity warnings for persons in a given area |
| 06/15/2011 | CN201869204U Mining broadcasting telephone system |
| 06/15/2011 | CN201867934U Sound-light alarm device |
| 06/15/2011 | CN201867903U Mining voice alarm |
| 06/15/2011 | CN201865707U Mobile safety inspection platform for mining |
| 06/15/2011 | CN201865684U Comprehensive control system for local ventilator used in mines |
| 06/15/2011 | CN201865530U Rotary explosion-proof door |
| 06/15/2011 | CN102094678A Method for identifying water-bursting risks in karst tunnels |
| 06/15/2011 | CN101078352B Hermetic door for vacuum pipe system |