| Patents for E21F 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (2,735) |
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| 06/20/2012 | CN102505715A Slag skimming machine with automatic water mist dust suppression device |
| 06/20/2012 | CN102500476A 喷嘴 Nozzle |
| 06/20/2012 | CN102500214A Method for removing harmful gas and dust on driving face of tunnel |
| 06/13/2012 | CN202273703U Sound control automatic atomizing dedusting device |
| 06/13/2012 | CN202273702U Automatic timing atomizing dust-settling device |
| 06/13/2012 | CN202273701U 液压支架喷雾除尘器 Dust Spray hydraulic support |
| 06/13/2012 | CN202273700U Touch automatic atomizing dust falling device |
| 06/13/2012 | CN202273699U 一种虹吸引射式湿润剂添加混合装置 One kind of rainbow add humectants attract beam mixing device |
| 06/13/2012 | CN202273683U 一种带控除尘功能的扒渣机 A tape control functions slag removal machine |
| 06/13/2012 | CN102493830A Temperature-controlled liquid nitrogen fire preventing and extinguishing device for mine |
| 06/13/2012 | CN102493829A Phase-change material fireproof composite board for mine |
| 06/13/2012 | CN102489424A Spraying device capable of automatically adjusting yield |
| 06/06/2012 | CN102486095A Pulverized coal device for mining coal bed methane |
| 06/06/2012 | CN101988390B Spraying purification device and method |
| 06/05/2012 | US8191801 Aerosol spray |
| 05/30/2012 | CN202256662U Wireless positioning system of mine device, wireless positioning coal mining system, and hydraulic support spraying dust-settling control system |
| 05/30/2012 | CN202256661U Accurate positioning system of mine equipment, accurately-positioned coal mining system and spraying dust-settling control system for hydraulic bracket |
| 05/30/2012 | CN202250206U Full-automatic safety equipment of roadway with coal-extraction working surface |
| 05/30/2012 | CN202250202U Full-automatic safety equipment for working face roadway |
| 05/30/2012 | CN202250199U Tunneling working face well tunnel full-automatic safety device |
| 05/30/2012 | CN202250192U Full-automatic safety device of heading working face underworking |
| 05/30/2012 | CN202250186U Mine rock burst and ground temperature display releasing device |
| 05/30/2012 | CN202250159U Diffusion tube for mining dust-removing device |
| 05/30/2012 | CN202250158U Mineral water-jet spraying device for removing dust |
| 05/30/2012 | CN202250157U Dustproof device used during drilling gas discharge hole in coal layer |
| 05/30/2012 | CN202250156U Foam generating device for mining dust remover |
| 05/30/2012 | CN202250155U Jet pipe for mineral dust remover |
| 05/30/2012 | CN202250154U Coal mining liquid mixed and adding device |
| 05/30/2012 | CN202250153U Water injection system for coal seams |
| 05/30/2012 | CN202250152U Air curtain pipe |
| 05/30/2012 | CN202250151U Air seal device for orifice dust catcher |
| 05/30/2012 | CN202250150U Liquid nitrogen cooling, fireproofing and fire-extinguishing system |
| 05/30/2012 | CN202250149U Cooling, fireproof and fire-extinguishing system by using liquid carbon dioxide |
| 05/30/2012 | CN202250139U Return air heat exchanger of high-speed mine |
| 05/30/2012 | CN202237934U Air dispersing cover for foam making apparatus |
| 05/30/2012 | CN102477868A Drilling dustproof equipment for underground coal bed of coal mine |
| 05/30/2012 | CN101886952B Mining passive pyroelectric infrared sensor |
| 05/23/2012 | CN202228121U Full-automatic safety device of stope working face roadway |
| 05/23/2012 | CN202228119U Full-automatic safety device of driving working face roadway |
| 05/23/2012 | CN202228106U Dustfall agent adding device for coal mine |
| 05/23/2012 | CN202228105U Dust control and reduction integrated equipment |
| 05/23/2012 | CN202228104U Mining dust-eliminating fire-extinguishing spraying vehicle for whitening roadway for mine |
| 05/23/2012 | CN202228103U A moderate air pressure air drilling dedusting system |
| 05/23/2012 | CN202228102U Unpowered front-rear moveable water spraying and dust removing car |
| 05/23/2012 | CN202228101U Ventilating and dedusting device for tunnels |
| 05/23/2012 | CN202228079U Vehicle-mounted dust controlling and removing integrated device and system for machine digging face |
| 05/23/2012 | CN202227980U Dedicated drilling machine for well drilling once |
| 05/23/2012 | CN202224259U Foam dust suppression spray head |
| 05/23/2012 | CN102465711A 一种煤矿用复合抑尘剂及其制备方法 One kind of coal mine dust suppressant composite and its preparation method |
| 05/23/2012 | CN102465710A 气水混喷射流除尘风机 Gas-water mixture jet stream Dust Blower |
| 05/23/2012 | CN102465709A 可清理细小矿物的清理机 Cleaning up the tiny mineral cleaning machine |
| 05/23/2012 | CN101927114B Device for filtering naked flame particles in mixed flue gas |
| 05/23/2012 | CN101845965B Pressure discharge method for anti-blocking chamber of feeding well |
| 05/23/2012 | CN101811856B High water cementation fire preventing and extinguishing material |
| 05/16/2012 | CN202220615U Slurry sprinkling device used for fully mechanized mining face of thick coal seam |
| 05/09/2012 | CN202215275U Mechanical watering device |
| 05/08/2012 | DE202010017680U1 Brandschutz-Fugenschnur Fire-joint cord |
| 05/02/2012 | CN202209180U Mining wet dust suppressor |
| 05/02/2012 | CN202209179U Automatic spraying and dust-falling controller |
| 05/02/2012 | CN102434190A Long-distance timed intermittent spraying dust controller |
| 05/02/2012 | CN102434189A High-level borehole grouting fire extinguishing method |
| 05/02/2012 | CN102434188A Long-distance deep hole water injection process for coal bed of fully mechanized work surface |
| 05/02/2012 | CN102434187A Foam dust suppression system and foam dust suppression method for mine excavation |
| 05/02/2012 | CN102434186A Grout-to-extinguish method of dual hard close-distance multiple seam gob areas |
| 05/02/2012 | CN102434185A Coal mine gas fast solvent and application method thereof |
| 05/02/2012 | CN102434183A Air purifier for clearing away harmful gases and dust for long tunneling working surface |
| 05/02/2012 | CN101440712B Mounting and using method of downhole laneway coal dust gas explosion blocking machine |
| 05/01/2012 | CA2470740C Dust catcher |
| 04/25/2012 | CN202205046U 自动红外喷雾控制器 Auto IR Spray Controller |
| 04/25/2012 | CN202202888U Horizontal dry method filter bag dust collector for mine |
| 04/25/2012 | CN202202887U 换向操作扭力传输轴及多功能换向喷雾操作阀组 Commutation operating torque transmission shaft and multi-commutation spray valve operation |
| 04/25/2012 | CN102425445A 负压喷浆除尘装置 Negative pressure spraying dust removal device |
| 04/25/2012 | CN102425444A 一种循环使用型隧道防烟装置 A circular tunnel using a smoke device type |
| 04/25/2012 | CN102425441A 利用旋转风流器和吸尘罩及管道综合降尘工艺 Merry and rotary vacuum hood and duct integrated dust technology |
| 04/25/2012 | CN101737077B 矿井通风瓦斯减排与综合利用装置及方法 VAM abatement and comprehensive utilization apparatus and method |
| 04/25/2012 | CN101603385B 瓦斯超限开盖闭锁方法及装置 Gas gauge lid locking method and apparatus |
| 04/18/2012 | CN202194679U 自平衡水封式防爆器 Self-balancing seal explosion-proof device |
| 04/18/2012 | CN102418548A 一种防止煤尘自燃的砂浆悬浮剂 A method of preventing spontaneous combustion of coal dust mortar suspensions |
| 04/18/2012 | CN102418544A 掘进巷道内风筒重叠段瓦斯治理与降尘方法 Overlapping segments of roadway excavation Duct Gas Control and dust method |
| 04/11/2012 | CN202187796U 矿井吊轨绳巷全自动灾害堵防装置 Mine automatic lane rope hanging rail disaster prevention device blocking |
| 04/11/2012 | CN202187793U 煤屑导流吸尘罩 Diversion cinder dust cover |
| 04/11/2012 | CN202187792U 隧道用灭火喷射控制装置 Tunnel injection control device with fire |
| 04/11/2012 | CN202187791U 煤矿瓦斯防爆器 Coal mine gas explosion device |
| 04/11/2012 | CN202187790U 用于煤矿防灭火的连续泥浆制备机 For coal mine fire prevention and continuous slurry preparation machine |
| 04/11/2012 | CN202187742U 多功能一体封孔注抽器 Multifunctional sealing priming device |
| 04/11/2012 | CN202185381U 四柱式环保除尘风送喷雾机 Four-environmental dust breeze sprayer |
| 04/11/2012 | CN102410039A Self-pressure type quick start continuous water spray explosion-prevention and explosion suppression system |
| 04/11/2012 | CN102410038A 喷雾设备 Spray Equipment |
| 04/11/2012 | CN102410037A 矿用隔爆型大容积设备壳体及其制造工艺 Flameproof equipment housing and large volume manufacturing process |
| 04/11/2012 | CN102410036A 一种高速矿井回风换热器及其使用方法 A high-speed mine return air heat exchanger and method of use |
| 04/04/2012 | CN202181925U 矿井上开式全自动灾害堵防装置 Open automatic blocking mine disaster prevention device on |
| 04/04/2012 | CN202181924U 矿井对开式全自动灾害堵防装置 Automatic blocking off mine disaster prevention device |
| 04/04/2012 | CN202181923U 矿井加强式全自动灾害堵防装置 Automatic mine disaster strengthen anti-blocking device |
| 04/04/2012 | CN202181921U 矿井平巷全自动灾害堵防装置 Automatic blocking drift mine disaster prevention device |
| 04/04/2012 | CN202181916U 一种湿式孔口涡流集控尘装置 A wet dust control orifice vortex collection device |
| 04/04/2012 | CN202181915U 矿井用孔口捕尘器 Mine dust catcher with orifice |
| 04/04/2012 | CN202181914U 矿用气动湿式孔口除尘器 Mine pneumatic wet orifice filter |
| 04/04/2012 | CN202181913U 隔爆兼本安智能洒水装置 Flameproof and intrinsically safe Smart sprinklers |
| 04/04/2012 | CN202181844U 一种与工程机械配套的全液压潜孔钻机 One kind of construction machinery and hydraulic submersible drilling rig |
| 04/04/2012 | CN102400703A 一种负压式孔口捕尘器 One kind of negative pressure orifice dust catcher |