| Patents for E21F 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (2,735) |
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| 04/04/2012 | CN102400702A 矿用卧式干法滤袋除尘器 Mining horizontal dry bag filter |
| 04/04/2012 | CN102397737A 负压湿式除尘器 Negative wet scrubber |
| 03/28/2012 | CN202176356U 煤矿井下用孔口捕尘器 Coal mine dust catcher orifice |
| 03/28/2012 | CN202176355U 煤矿井下钻孔孔口降尘装置 Coal mine dust orifice drilling equipment |
| 03/28/2012 | CN202176354U 顺层钻孔防喷除尘装置 Bedding drilling BOP dust removal device |
| 03/28/2012 | CN102392674A Compounded latex retardant for preventing coal spontaneous combustion and preparation method thereof |
| 03/28/2012 | CN101993574B Fireproof high-molecular compound colloid material for coal mines |
| 03/21/2012 | CN202170805U 一种隧道施工用移动式自清洗干式集尘通风设备 A tunneling construction with removable self-cleaning dry dust ventilation equipment |
| 03/21/2012 | CN102383854A Full-automatic safety equipment with personnel positioning system for heading stope roadway |
| 03/21/2012 | CN102383853A Full-automatic safety equipment of driving-face well roadway with personnel positioning |
| 03/21/2012 | CN102383852A Full-automatic safety equipment of stoping-face well roadway with personnel positioning |
| 03/21/2012 | CN102383851A Full-automatic safety equipment of driving-face well roadway with personnel positioning |
| 03/21/2012 | CN102383850A Full-automatic safety facility with operator positioning function for well mine of stope face |
| 03/21/2012 | CN102383849A Full-automatic safety equipment mounted with personnel positioning device for well lane of stope |
| 03/21/2012 | CN102383848A Full-automatic safety equipment of driving-face well roadway with personnel positioning |
| 03/21/2012 | CN102383847A Full-automatic safety equipment of driving-face well roadway with personnel positioning |
| 03/21/2012 | CN102383846A Full-automatic safety equipment with personnel positioning system for driving face roadway |
| 03/21/2012 | CN102383845A Full-automatic safety equipment with personnel positioning system for driving face roadway |
| 03/21/2012 | CN102383844A Full-automatic safety equipment with personnel positioning system for heading stope roadway |
| 03/21/2012 | CN102383843A Full-automatic safety equipment for well lane of stope with personnel positioning device |
| 03/21/2012 | CN102383842A Full-automatic safety equipment with personnel positioning function for tunneling working surface roadway |
| 03/21/2012 | CN102383841A Full-automatic safety equipment of stoping-face well roadway with personnel positioning |
| 03/21/2012 | CN102383840A Full-automatic safety equipment of stoping-face well roadway with personnel positioning |
| 03/21/2012 | CN102383839A Full-automatic safety equipment of driving-face well roadway with personnel positioning |
| 03/21/2012 | CN102383838A Full-automatic safety equipment with personnel positioning system for driving face roadway |
| 03/21/2012 | CN102383837A Full-automatic safety facility with operator positioning function for well mine of excavating face |
| 03/21/2012 | CN102383836A Full-automatic safety equipment with personnel positioning system for working face |
| 03/21/2012 | CN102383835A Full-automatic safety equipment of driving-face well roadway with personnel positioning |
| 03/21/2012 | CN102383827A Drilling safety protection device for mining |
| 03/21/2012 | CN102383825A Mine cylinder type dust catcher |
| 03/21/2012 | CN102383824A Voice operated sensor |
| 03/21/2012 | CN102383823A Process for controlling dust in belt roadway by sections through water spray |
| 03/14/2012 | CN202165111U 可编程远红外线自动降尘喷雾控制装置 Programmable far-infrared dust spraying automatic control device |
| 03/14/2012 | CN202165110U 矿用除尘风机 Mine Dust Blower |
| 03/14/2012 | CN202165109U 自动喷雾阀 Automatic spray valve |
| 03/14/2012 | CN202165108U 煤层注水封孔器 Coal water sealing device |
| 03/14/2012 | CN202165107U 煤矿用隔爆水袋 Mine explosion-proof bag |
| 03/14/2012 | CN102373952A Coalface well lane full-automatic safety equipment with personnel positioning system |
| 03/14/2012 | CN102373951A Coalface well lane full-automatic safety equipment with personnel positioning system |
| 03/14/2012 | CN102373950A Coalface well lane full-automatic safety equipment with personnel positioning system |
| 03/14/2012 | CN102373949A Coalface well lane full-automatic safety equipment with personnel positioning system |
| 03/14/2012 | CN102373948A Heading face well lane full-automatic safety equipment with personnel positioning system |
| 03/14/2012 | CN102373947A Mine shaft full-automatic installation equipment used in stope face and equipped with personnel location |
| 03/14/2012 | CN102373943A Touch automatic spraying and dust-settling device |
| 03/14/2012 | CN102373942A Air curtain and water mist linked system for preventing and controlling dust on comprehensive excavation surfaces |
| 03/07/2012 | CN202157822U 一种自调整注水喷雾装置 A self-adjust water spray device |
| 03/07/2012 | CN202157821U 煤矿井下用钻孔排渣除尘器 Drilling slagging coal mine dust |
| 03/07/2012 | CN202157820U 超微磁化泡沫钻孔除尘器 Supermicro magnetization foam drilling dust |
| 02/29/2012 | CN202151600U 矿用旋流器 Mine cyclone |
| 02/22/2012 | CN202148917U 一种用于矿井下除尘装置 An apparatus for the mine dust |
| 02/22/2012 | CN102359390A Combined-type fence-wet fiber grid dust remover |
| 02/22/2012 | CN102359389A Air sealing device for porthole dust catcher |
| 02/22/2012 | CN102359388A Wind-water atomizing dust removing device for mine |
| 02/22/2012 | CN101035728B 抑制粉尘的方法 The method of suppressing dust |
| 02/15/2012 | CN102352776A Gas buffer explosion-proof door |
| 02/15/2012 | CN102352767A Sound control automatic spray dust settling device |
| 02/15/2012 | CN102352766A Timed automatic spraying and dust-settling device |
| 02/08/2012 | CN202140108U 微米级自适应喷雾抑尘系统 Adaptive micron spray dust suppression system |
| 02/01/2012 | CN202132261U 小型风动局部通风机 Small wind-driven local fan |
| 02/01/2012 | CN202132065U 矿用钻孔安全保护装置 Mine drilling safety devices |
| 02/01/2012 | CN202132064U 单体式溢流水封阻火泄爆装置 Fire-piece seal overflow vent explosive device |
| 02/01/2012 | CN202132063U 一种负压式矿用泡沫降尘装置 One kind of negative pressure mine foam dust suppression device |
| 02/01/2012 | CN202132062U 煤矿用风动吸尘器 Mine pneumatic vacuum cleaner |
| 02/01/2012 | CN202132058U 一种隧道的防火保温板 A tunneling of fire insulation board |
| 02/01/2012 | CN102337920A Gas and dust collecting device |
| 02/01/2012 | CN102337103A Penetrant for coal-bed flooding |
| 02/01/2012 | CN102336994A Polyvinyl alcohol foam oxygen insulation material and preparation method and application thereof |
| 02/01/2012 | CN101566068B 矿用抑爆设备快速触发装置 Mine explosion suppression equipment fast trigger device |
| 01/25/2012 | CN202125310U Gas drainage system having automatic explosion resistance device |
| 01/25/2012 | CN202125308U Movable dustproof water curtain |
| 01/25/2012 | CN202125307U Mobile dust removal and cooling spray equipment for fully-mechanized working surface ventilation roadway |
| 01/25/2012 | CN101666321B Axial-flow type pneumatic dedusting fan |
| 01/18/2012 | CN202117702U Rotational-flow wet-type dust collector for mine |
| 01/18/2012 | CN102323566A Wireless positioning method of mine equipment and spraying dust suppression control method of hydraulic supports |
| 01/18/2012 | CN102322286A Comprehensive dust falling method of coal mining comprehensive mechanized tunnel through return air suppression |
| 01/18/2012 | CN102322285A Coal seam water infusion device with high ground pressure, low porosity and low permeability and using process thereof |
| 01/18/2012 | CN102322284A Fire fighting pulping system for coal mine |
| 01/18/2012 | CN102322283A Controllable dry ice storing device for preventing left coal in worked out section from spontaneously combusting |
| 01/18/2012 | CN102322282A Exhaust and dust removal complete equipment for underground engineering |
| 01/18/2012 | CN102322274A Shotcrete machine |
| 01/17/2012 | US8096622 Method of controlling mine fires with polymeric gel |
| 01/11/2012 | CN202108536U Fine water spray dust fall device for mines |
| 01/11/2012 | CN202108535U Automatic sprinkling dust suppression device for mines |
| 01/11/2012 | CN202108534U Explosion suppression device of dust exposition |
| 01/11/2012 | CN202108533U Cooling down and dust settling device for mine |
| 01/11/2012 | CN202108513U Dust source tracking, atomizing and dust-falling mechanism of coal mining machine |
| 01/11/2012 | CN102312677A Water jet dust removal spraying device for mine |
| 01/05/2012 | WO2012000148A1 Spraying and dust reduction device for coal mine |
| 01/04/2012 | CN202100274U Pneumatic atomizing dedusting device for coal mines |
| 01/04/2012 | CN202100273U Coal rock fire preventing and extinguishing material spraying device |
| 01/04/2012 | CN202100272U Pulping system for fire prevention and extinguishing of coal mines |
| 01/04/2012 | CN202100271U Coal bed and rock stratum drilling and dust falling device |
| 01/04/2012 | CN202096902U Automatic foaming agent adding device |
| 01/04/2012 | CN102305096A Medium-wind pressure air drilling dedusting system |
| 01/04/2012 | CN101712836B Mildewproof flame-retardant tunnel decoration paint, preparation method and application thereof |
| 12/28/2011 | CN202090941U 煤矿井下气控自动喷雾控制装置 Coal mine gas control automatic spray control device |
| 12/28/2011 | CN102301093A 石粉喷涂 Powder coating |
| 12/28/2011 | CN102296980A 铁路隧道内细水雾灭火系统及其灭火方法 Water mist fire extinguishing systems and fire fighting methods within the rail tunnel |
| 12/28/2011 | CN102296979A 利用自然冷源对瓦斯进行深度冷凝的除尘、脱水工艺 Using natural cooling source for deep gas condensate dust, dehydration process |
| 12/28/2011 | CN102296978A 煤壁注水封孔器 Coal wall water sealing device |