| Patents for E21F 5 - Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (2,735) |
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| 06/01/2011 | CN102080569A Distributed optical fiber temperature measurement-based fire early warning method for belt conveyor |
| 06/01/2011 | CN102080565A Bracket spraying dust fall device used for fully mechanized caving coal mine working face |
| 06/01/2011 | CN102080562A Non-power driven harmful gas filtering device |
| 06/01/2011 | CN101385955B Foam dedusting agent for mine |
| 05/25/2011 | CN201843634U Spraying and dust-falling system of ore unloading line for underground mine |
| 05/25/2011 | CN201843633U Protection device for drilling construction of mine |
| 05/25/2011 | CN102071972A Method for discriminating underground coal combustion center |
| 05/25/2011 | CN102071971A Gas sampling detector of multifunctional tube bundle monitoring emergency fire prevention and fire fighting system |
| 05/25/2011 | CN102071960A Special-purpose bag filter for underground coal mine |
| 05/25/2011 | CN102071959A Mine dust removing device during mine construction |
| 05/18/2011 | CN201835857U Multifunctional atomizing sprinkler |
| 05/18/2011 | CN201835856U Wet-type dedusting fan dehydration device |
| 05/18/2011 | CN201832733U Dust-removing spray nozzle |
| 05/18/2011 | CN102061930A Downhole fast sealing device in coal mine |
| 05/18/2011 | CN102061929A Blowback fast explosion suppression device for coal mining working face |
| 05/18/2011 | CN102061917A Heading machine-mounted foam dedusting system |
| 05/18/2011 | CN101475700B Preparation of fireproofing foamed material |
| 05/11/2011 | CN201826880U Arrangement structure for smoke prevention system of tunnel secure channel |
| 05/11/2011 | CN201826787U Dust-settling device for mine drilling machine |
| 05/11/2011 | CN102052086A Mine liquid-CO2 fire preventing and extinguishing process and device |
| 05/11/2011 | CN102052085A Mine dedusting system and method |
| 05/11/2011 | CN101014414B Electric precipitator and electric precipitation system |
| 05/04/2011 | CN201818322U Gas-compressing, deslagging, drilling and dust remover for coal mine downhole |
| 05/04/2011 | CN201818321U Dust remover |
| 05/04/2011 | CN201818320U Horizontal turbulence ball packing dust collector for mine |
| 05/04/2011 | CN201818319U Underground gas-compressing deslagging drilling dust remover for coal mine |
| 05/04/2011 | CN102042027A Coal mine gas drilling drainage device |
| 05/04/2011 | CN102042026A Dense shallow hole dust catcher for coal mines |
| 05/04/2011 | CN101520365B Simulation experimental system for controlling mine tunnel dust environment |
| 05/04/2011 | CN101457654B Telescopic type pulling hole packer |
| 04/27/2011 | CN201813628U Mine explosion-proof and intrinsically safe control box |
| 04/27/2011 | CN201810334U Air return corner gas system utilizing compressed air spray |
| 04/27/2011 | CN201807464U Whirl sprayer |
| 04/27/2011 | CN102031988A Water-curtain dust fall system of storage bunker |
| 04/27/2011 | CN102031987A Bucket type loading machine with automatic spraying device |
| 04/20/2011 | CN201802438U Automatic spraying dust control device |
| 04/20/2011 | CN201802437U Movable type liquid carbon dioxide fire preventing and extinguishing device for mine |
| 04/20/2011 | CN201802413U Fast plugging device of mine roadway without external gas source |
| 04/20/2011 | CN101581230B High-pressure water mist generator |
| 04/20/2011 | CN101251026B Wind power ganged regulating atomizer |
| 04/13/2011 | CN201794606U Dust removal cooling device for conveying air fog in drill rod hole for tunnel drilling |
| 04/13/2011 | CN201794603U Air shaft for avoiding tunnel cable from being destroyed |
| 04/13/2011 | CN1975110B Arrangement for the admission of pressurized water to spray systems |
| 04/13/2011 | CN101713296B Composite gel inhibitor for preventing and controlling spontaneous combustion of coal in coal mine and preparation method thereof |
| 04/13/2011 | CN101596388B Spraying device used for dedusting and purifying air |
| 04/07/2011 | WO2011039157A2 Safety system for road tunnels in case of fire |
| 04/06/2011 | CN201786380U Double-tank water seal type anti-explosion and anti-backfire device |
| 04/06/2011 | CN201786379U Device for filling de-dusting agent into pipelines |
| 04/06/2011 | CN201786378U Spray dust-fall device for hydraulic support |
| 04/06/2011 | CN201783280U Negative pressure wet type dust collector |
| 04/06/2011 | CN102004048A Gas sampling, preventing and extinguishing cleaning unit for multifunctional tube bundle monitoring emergency preventing and extinguishing system |
| 04/06/2011 | CN102003200A Small mining combined dust remover |
| 03/30/2011 | CN201778836U Mining explosion-protection life boat |
| 03/30/2011 | CN201778835U Water curtain dust fall structure for return air upper corner on fully mechanized caving face |
| 03/30/2011 | CN101994548A Anti-explosion flame arrester |
| 03/30/2011 | CN101993574A Fireproof high-molecular compound colloid material for coal mines |
| 03/30/2011 | CN101991993A Dust removal device |
| 03/30/2011 | CN101408111B Mine cemented filling dust removing process and apparatus |
| 03/30/2011 | CN101225748B Composite covering agent for restraining oxidized self-ignition of vulcanizing ore |
| 03/23/2011 | CN201771541U Negative-pressure dust remover |
| 03/23/2011 | CN201771540U Mining pneumatic water-jet dust removing device |
| 03/23/2011 | CN201771539U Centrifugal sprayer |
| 03/23/2011 | CN201771538U Transfer-point impact-plate type automatic spraying device |
| 03/23/2011 | CN201771537U Dust catching device for return air course of coal mine |
| 03/23/2011 | CN201771536U Automatic water feeding and draining explosion-proof water bag for mines |
| 03/23/2011 | CN201771507U Coal miner rocker arm external spray device |
| 03/23/2011 | CN101988390A Spraying purification device and method |
| 03/23/2011 | CN101418702B Gas adding system of coal mine ventilation air methane oxidation device |
| 03/16/2011 | CN201763390U Coalmine cooling water processing system |
| 03/16/2011 | CN201763372U Sprayer |
| 03/16/2011 | CN201763371U Self-rotating spraying device |
| 03/16/2011 | CN201763370U An automatic spraying dust suppression control system of coal mining machine and control device thereof |
| 03/16/2011 | CN201763369U Hydraulic support automatic spraying dust suppression system |
| 03/16/2011 | CN201763368U Dust removal box for underground boring construction |
| 03/09/2011 | CN201756978U Mining explosion-proof dust remover |
| 03/09/2011 | CN201756977U Control device for automatic water spray and dust precipitation device |
| 03/09/2011 | CN201756976U Explosion-insulating water tank for coal mine |
| 03/09/2011 | CN101251025B Coal mine down-hole foam dedusting system |
| 03/02/2011 | CN201753613U Collector used for outburst prevention |
| 03/02/2011 | CN201753612U Mine ventilation air contranatant oxidation device with smoke pumping device |
| 02/23/2011 | CN101979834A Dust settling agent for coal mine and using method thereof |
| 02/17/2011 | WO2011018561A1 Steeping liquor used as a means of controlling the risk of fire and explosion of organic extractive materials |
| 02/16/2011 | CN201747397U Novel spray dust reducing device |
| 02/16/2011 | CN101413399B Drill hole spray safety protection system |
| 02/09/2011 | CN201740475U Multifunctional exploder |
| 02/09/2011 | CN201739047U Double cylinder anti-explosion diesel engine trolley tired cart |
| 02/09/2011 | CN201738946U Downhole blasting deduster |
| 02/09/2011 | CN201738945U Rotary spraying dust-reducing device for mine |
| 02/09/2011 | CN201738944U Intelligent dust-concentration limited spraying and dedusting device and system thereof |
| 02/09/2011 | CN201738943U Rock lane and mixed coal rock lane wet type dust remover |
| 02/09/2011 | CN101967991A Dewatering device of wet dust removing blower |
| 02/08/2011 | US7882897 Device for limiting the ultimate consequences of a failure to bring under control a mass fire in a storage bin for hazardous materials |
| 02/02/2011 | CN201730637U Mine splash dedusting fan |
| 02/02/2011 | CN201730607U Mine drilling fire-proof safety protective device |
| 02/02/2011 | CN101963065A Compressed air slag discharge drilling deduster for use under coal mines |
| 02/02/2011 | CN101963064A Explosion proof box rubber cover |
| 01/26/2011 | CN201724251U Ignition body |
| 01/26/2011 | CN201723242U Novel rack spray control valve |
| 01/26/2011 | CN201723241U Coal mine flame-proof water tank sequential automatic water charging apparatus |
| 01/26/2011 | CN201723240U Loess and fly ash pulping system |