Patents
Patents for E21F 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (2,735)
10/2006
10/18/2006CN1847618A Enclosing array controller for preventing coal mine gas from explosion
10/18/2006CN1280525C Fog column dust falling linkage apparatus return airway
10/11/2006CN2825947Y Blowout preventer for drill of protrusive coal seam
09/2006
09/21/2006DE202006008015U1 Dust wetting cannon, for facilitating disposal or utilization of dust, e.g. fly ash, comprises dust supply tube containing wetting device and opening into mixing tube at angle
08/2006
08/31/2006WO2006053348A3 Fire and explosion suppression
08/31/2006WO2006051168A9 Arrangement for sucking dust
08/30/2006CN2811535Y Center water-injection type air-operated coal borer
08/30/2006CN1824921A Bullet mining hydraulic support
08/29/2006US7097121 Color shuttle valve arrangement of a coating plant
08/16/2006CN2806739Y Epicyclic gear water-injection type electric coal drill
08/16/2006CN1818343A Instant self-adaptive ventilating draining method and rotating system for preventing gas permeable mineral accident
08/09/2006CN2804392Y Auto impact sprayer
08/03/2006DE10210769B4 Absaugvorrichtung Suction
08/02/2006CN2802082Y Water circulation protection system of underground gasification furnace
07/2006
07/19/2006CN2797637Y Full automatic gas prealarming and explosion-proof device used for coal mine
07/12/2006CN2795446Y Enclosed array controller for preventing mine gas explosion
06/2006
06/29/2006WO2006066333A1 A modular dust scrubber
06/28/2006CN2791256Y Moving type oblique-way automatic sprinkling car for well
06/28/2006CN2791255Y Enclosed burst-isolation water bag
06/14/2006DE102004058983A1 Fumes analysis system for application with fires in coal mines has underground remote controlled analyzing device provided with controllers
06/13/2006CA2197439C Sound absorber
06/06/2006US7055767 Shower head structure
05/2006
05/30/2006US7051959 Multi-purpose hand held sprayer having a vertical shut-off valve
05/24/2006EP1503827B1 Bulkhead for sealing off a tunnel in the event of a fire
05/24/2006CN2782759Y Water spraying vehicle for roadway of mine
05/24/2006CN2782148Y Mine foam extinguisher
05/24/2006CN1776195A Three-phase foam preparing system for preventing coal self-ignition
05/23/2006US7048340 Method for introducing and blowing rock dust and device for carrying out said method
05/18/2006WO2006053348A2 Fire and explosion suppression
05/18/2006WO2006051168A1 Arrangement for sucking dust
05/03/2006CN1766287A Apparatus for preventing and controlling coal dust and gas explosion on working face
05/02/2006US7036756 Anti-sputter fluid flow control apparatus for paint sprayers
04/2006
04/27/2006WO2006043889A1 A tunnel cover for a tunnel for controlled ventilation of gas
04/27/2006CA2584729A1 A tunnel cover for a tunnel for controlled ventilation of gas
04/20/2006WO2006041581A2 Dust suppression method and apparatus
04/13/2006WO2006021668B1 Composition for fixing a heap of powdery and/or granulated particles
03/2006
03/29/2006CN1247281C Hypoxic fire prevention and fire extinguishing systems and breathable fire extinguishing compositions for human living environment
03/15/2006CN1746261A Gas explosive-proof and dust-lowering stopping agent of coal mine
03/02/2006WO2006021668A1 Composition for fixing a heap of powdery and/or granulated particles
02/2006
02/15/2006CN2758488Y High efficiency dust eliminating explosion proof atomization device for mine
02/15/2006CN2758485Y Anchor spray support electric interlocking device
02/08/2006CN2756831Y Dust remover for driving face
01/2006
01/26/2006WO2006009423A1 Highwall mining system, conveyor segment and method for providing such a mining system
01/26/2006WO2006009187A1 Electrostatic precipitator and electrostatic precipitation systm
01/11/2006CN2751131Y Line boring machine
01/10/2006US6983899 Handheld paint spraying apparatus with anti-sputter spray nozzle
01/04/2006CN1715615A Gas preventing and control navigation system for coal mine production mine
12/2005
12/21/2005CN2747359Y Water sprayer for dust removing in coal execavating
12/15/2005DE10210331B4 Verfahren zur Verhinderung des Entstehens eines zündfähigen Gemisches bei einer in gasführende Hohlräume von abgeworfenen Abbaubereichen des Steinkohlenbergbaus reichende Tiefbohrung A method for preventing the development of an ignitable mixture in a gas-leading cavities of discarded mining areas of the coal industry reaching deep drilling
12/08/2005US20050268787 Dust scrubber
10/2005
10/26/2005EP1399645B1 Suction device comprising a fire protection system
10/26/2005CN2736534Y Pulse water flooding device
10/11/2005US6954719 Work site dust control system
10/05/2005CN2731109Y Wettingtype string vibration dust remover
09/2005
09/29/2005US20050212345 Rotary cutting bit having spark suppression sleeve
09/01/2005DE202005008250U1 Tunnel lining comprises a frame system for fixing the fire protection plates, and an insulation layer positioned on the fire protection plates in such a way that no thermal loading results from it in cases of fire
08/2005
08/31/2005CN2721877Y Mineral movable solidifying foam filler
08/17/2005EP1395736B1 Suction device for a tunnel
08/17/2005CN2718226Y Safety cutting device under inflammable and explosive environment
08/11/2005DE202004005327U1 Lifting device for positioning troughs of water trough barriers has bar and a carrier protruding laterally from bar for connection to trough removable by vertical and horizontal movement of bar on trough holder at distance above bottom
08/04/2005DE10361848A1 Trough barrier for confining explosions in mining/tunnel structures has compact arrangement of troughs extending over at least third of maximum section width with explosive kits ignited by remote sensors to atomize extinguishing substances
08/03/2005CN1648413A Mine gas anti-knock additive and its preparing method
07/2005
07/07/2005CA2547208A1 Multi-purpose hand held sprayer having a vertical shut-off valve
06/2005
06/29/2005CN2706584Y Detachable coal electric drill water injector
06/22/2005CN1629447A Process of preparing thickened grout for preventing coal from spontaneous combustion and equipment therefor
06/08/2005CN2703872Y Electric controlled automatic sprayer unit of transfer point for mine conveyor
06/08/2005CN1624298A Coal mine gas explosion burst treatment method and its matched gas dissolving and elimineting agent
03/2005
03/23/2005CN1598246A Fog column dust falling linkage apparatus return airway
03/17/2005US20050060127 Work site dust control system
03/16/2005CN1594838A Foam type boring dust allayment method, dust allayment system and dust allayment foam liquid
03/16/2005CN1594837A Liquid and device for harnessing coal-mine gas
03/09/2005CN1590708A Method of preventing and controlling mining working surface gas explosion
03/03/2005DE10334601A1 Gerät zur Erzeugung eines Luftstromes in schallgedämmter Ausführung für Entstauber Apparatus for generating an air stream in silent version for dust collector
03/02/2005CN2682209Y Pulse water flooding device
02/2005
02/24/2005DE10334600A1 Dust removal and ventilation unit to be used in mining and tunneling, comprising housings to be joined and noise absorbing units at inlet and outlet
02/10/2005US20050029370 Color shuttle valve arrangement of a coating plant
02/10/2005DE10136096A1 Smoke/fume suction extraction system for a road tunnel, has a spray system at the eddy hoods to generate a spray mist of fluid droplets against or across the suction flow into the hoods
02/09/2005EP1503827A1 Bulkhead for sealing off a tunnel in the event of a fire
02/02/2005EP1503033A1 Apparatus for generating an air current in a sound-isolated dust remover
02/02/2005EP1502659A1 Colour change valve assembly of a coating installation
02/02/2005CN1572356A Dusting device with multiple stream nozzles
01/2005
01/26/2005CN2674103Y Explosion-isolation and essential safety type over-pressure response switch
01/26/2005CN1570353A Single-purpose water filling penetration stick and method for production
01/26/2005CN1570013A Dust suppression fire retardant
01/20/2005US20050011653 Process for extinguishment of underground coal seam fires
01/05/2005CN2668854Y Coal-mining machine set with airborne clear-water high-pressure dust-removing and high-regulating device
12/2004
12/16/2004US20040250520 Dusting device with multiple stream nozzles
12/15/2004EP1486642A2 Dust remover with multi-jet nozzles
10/2004
10/27/2004EP1470317A1 Method of dusting coal mine surfaces
10/07/2004US20040195545 Composition for dusting coal mine surfaces
09/2004
09/29/2004CN1168891C Triphase foam generator for preventing and treating spontaneous coal combustion
09/01/2004CN1525044A Automatic quantification charging technology and apparatus using dytory method to prevent spontaneous combustion of coal
08/2004
08/18/2004CN2634121Y Rotary water spray device
08/18/2004CN2634120Y Automatic spraying car for mine
08/12/2004DE10303626A1 Dust collector for use in e.g. mountain tunnel construction, has exchangeable rough filter mounted to gas inflow pipe, and separator with separator profiles coupled to gas inflow pipe via connector
07/2004
07/29/2004US20040145231 Method for introducing and blowing rock dust and device for carrying out said method
07/21/2004CN2627218Y Soft coal seam drilling dust-proof equipment
07/20/2004US6764141 Rear mounted bit holder water spray
06/2004
06/30/2004CN2622393Y Pressured pipe antomatic quantitative material feeder
06/30/2004CN1508393A Rear mounted bif-holder water spray
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