Patents
Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758)
08/2007
08/01/2007CN2929193Y Signal system for mine communication
07/2007
07/26/2007US20070170317 Sway brace fitting
07/26/2007US20070170316 Mounting hook for a tube in the exhaust system of a motor vehicle
07/25/2007CN2926514Y Built-in coal-mine safety network monitor based on gateway
07/25/2007CN2926505Y Underwell permeable isolator
07/25/2007CN101004139A Surrounding rock, bed separation monitor with multiple azimuths and double functions
07/18/2007EP1807607A1 Boom arrangement for a scaling device and scaling device
07/18/2007CN2924017Y Multidirection wall-rock casing monitoring alarm
07/18/2007CN100999995A Emergent rescuing system for mining well fire, gas explosion disaster
07/12/2007US20070158505 Retaining device
07/11/2007CN1994724A Coal mine underground plastic conduit welding device
07/05/2007WO2007000686A3 Object detection system and method for miner
07/05/2007US20070153471 Mounting apparatus for data storage device of computer system
07/05/2007US20070152108 Hanger clamp for circular objects
07/04/2007CN2918740Y Infrared operated comprehensive protection observe and control device
07/04/2007CN2918739Y Forecasting coal drift projecting device with continuous drilling flow method
06/2007
06/27/2007CN2916138Y Dedicated safety self-help emergency box capable of monitoring roadway data for mining
06/27/2007CN1987050A Underwell safety environment monitor system for coal mine
06/27/2007CN1987049A Radio network system for underwell temporary construction spot safety monitoring of coal mine
06/21/2007US20070138349 Cable management system
06/20/2007CN2913615Y Down-hole smoke isolation device
06/14/2007US20070131823 Clamp for circular objects
06/13/2007CN2911190Y Safety voice indicator for coal mine
06/13/2007CN2911189Y Natural disasters simulator for pit
06/06/2007DE102005057693A1 Press water application device for use in underground mining, has sprinkling valve block provided with connection for water pipe, and arranged as unit at plate extension frame, where unit is separated from hydraulic valve block
06/06/2007CN2908789Y 便携式矿用监控仪 Portable Mine Monitor
05/2007
05/30/2007CN2906071Y Gas-outburst anti-backwind device
05/30/2007CN2906069Y Gas-outburst anti-backwind device
05/24/2007US20070114338 Vertical pipe guard
05/23/2007CN1966938A Emergency-sheltering rescue apparatus
05/16/2007EP1785582A1 Conveyor device for operation underground
05/16/2007CN1963424A Method and apparatus for testing stress of cavern wall
05/16/2007CN1963423A Method and apparatus for testing stress of cavern wall
05/01/2007CA2263216C Atmospheric detection system for an automated mining system
04/2007
04/26/2007DE102004059071B4 Dreikammer-Rohraufgeber im Untertagebergbau Tri-Rohraufgeber in underground mining
04/25/2007CN2893156Y Mining DC power supply inverter
04/24/2007US7207527 Clevis hanger assembly and pipe insulation coupling
04/19/2007WO2005052536A3 Removable balancing assembly for rotating cylindrical structures
04/19/2007DE10230240B4 Verfahren zum Betrieb eines Fahrweges eines spurgebundenen Fahrzeuges und Fahrweg Method for operating a route a tracked vehicle and infrastructure
04/18/2007CN2890345Y Pre-warning device capable of real-time monitoring
04/12/2007DE102004002111B4 Piezoelektrische Aktoreinheit für den Bergbau Piezoelectric actuator for mining
04/05/2007WO2007035973A1 Length-variable connection of an intake pipe with a dust channel
04/03/2007CA2313884C Method for characterization of rock strata in drilling operations
03/2007
03/27/2007US7195038 Conduit supports
03/21/2007CN2881104Y Hanging ring for ventilating duct
03/21/2007CN1932245A Underground working communication and dangerous case positioning system
03/15/2007DE102005042257A1 WLAN-Zugangsgerät für den Einsatz in gasgefährdeten Grubengebäuden Wi-Fi device for use in gas dangerous pit buildings
03/13/2007US7188809 Deformable clamp employed to stiffen hanger rod
03/08/2007US20070052374 Device for illuminating the stope support at a longwall face
03/07/2007CN1924279A Fireproof passage door
03/01/2007US20070045481 Device and method for positioning a delivery tube
02/2007
02/28/2007CN1919963A Brine cement slurry adapted for salt hole air reserved storeroom
02/22/2007US20070040074 J-hook hanger assembly
02/21/2007CN2871852Y Mine comprehensive information system under well based on Zigbee technology wireless network
02/21/2007CN1916367A Technical method of system unit of monitoring load-bearing safety for hydraulic support, pillars
02/20/2007US7179010 Adjustable pipe clamp assembly
02/15/2007WO2007018543A1 Absorptive muffler suspension
02/15/2007US20070034752 Adjustable pipe clamp assembly
02/15/2007CA2616178A1 Absorptive muffler suspension
02/14/2007CN2869330Y Winch switch time delay locking device
02/14/2007CN1912349A Mounting method for deep hole microseismic monitoring sensor of coal mine
02/14/2007CN1912348A Mounting method for shallow hole microseismic monitoring sensor of coal mine deep well
02/07/2007CN2866826Y Gas drawing-off device
02/07/2007CN1908376A Method for monitoring and controlling mine long-distance safety in production
01/2007
01/31/2007CN2864097Y Coal mine safety control and rescue support system
01/25/2007WO2007009149A1 Method and apparatus for monitoring gateroad structural change
01/11/2007US20070007395 Balancing Assembly For Rotating Cylindrical Structures
01/10/2007CN2856426Y Safety monitor of coal mine
01/10/2007CN2856425Y Safety dynamic monitoring management system of mine
01/10/2007CN2856424Y Adjusting mounting support of teleseme
01/04/2007WO2007000686A2 Object detection system and method for miner
01/02/2007US7156582 Inspectable tunnel for underground pipes and cables
12/2006
12/28/2006WO2006135951A1 Tunnel barrier
12/27/2006CN2851481Y Sspension protective airtight door with rigid contact system in metro
12/27/2006CN1884359A Method for making plastic seam-free air-duct
12/21/2006US20060285928 Expandable rock bolt and rock bolting system
12/21/2006US20060284025 Conduit spacer
12/20/2006CN2849174Y Explosion proof lifting signal control device for mine
12/14/2006WO2005072393A3 Pipe and tube support
11/2006
11/30/2006US20060266891 Exhaust-system support for fixing the exhaust system of a motor vehicle
11/29/2006CN2841967Y Gas real-time monitoring apparatus
11/22/2006CN2839563Y Coal mine gas detecting and reporting and personal locating system
11/15/2006CN2837517Y Wireless succoring system for sap
11/15/2006CN2837516Y Integrated apparatus for coal mine safety monitoring
11/15/2006CN2837515Y Multi-source distribution type mine environment monitoring instrument
11/15/2006CN1861986A Method of preventing producing firing resource in coal mine tunnel and apparatus of realizing said method thereof
11/09/2006US20060249633 Anchor rail adapter and hanger and method
11/09/2006US20060249321 Arrangement for passage control of mine vehicles
11/09/2006DE102005019644A1 Pipe connecting device in particular to be used in mining and tunneling, comprises conical reinforcing elements
11/08/2006CN1858406A Underground personnel locating and rescuing system and under ground personnel locating method
11/01/2006CN1854463A Emergent rescue monitoring system and method
10/2006
10/19/2006US20060231689 Air duct support
10/18/2006CN1847620A Continuous drilling flowrate process capable of predicting coal draft outburst and its apparatus
10/18/2006CN1847618A Enclosing array controller for preventing coal mine gas from explosion
10/18/2006CN1280525C Fog column dust falling linkage apparatus return airway
10/12/2006US20060226300 Suspensory fastener for piping
10/12/2006US20060226299 Vibration-damping mounting
10/11/2006CN2825956Y Interlocked alarming air door
10/11/2006CN1844641A Downhole personnel management and emergency help-asking and searching system for coal mine
10/04/2006EP1706926A1 Arrangement for data transmission in mine, and cable reel
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