| Patents for A62C 4 - Flame traps allowing passage of gas but not of flame or explosion wave (753) |
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| 03/05/2015 | US20150060445 Pressure release device for housings with flameproof encapsulation with porous body having interference fit |
| 03/04/2015 | EP2842609A2 Pressure release device for housings with flameproof encapsulation comprising a porous body comprising interference fit |
| 03/04/2015 | EP2842608A2 Pressure release device for a housing with flameproof encapsulation and method for the production thereof |
| 02/24/2015 | US8960320 Inline plug flame arrestors |
| 02/11/2015 | CN204147457U 一种天然气回火阻燃器 One kind of natural gas flame is tempered |
| 01/28/2015 | EP2827957A2 Explosion protection with housing |
| 01/22/2015 | WO2015009721A1 Flame arrestors for use with a hvac/r system |
| 01/21/2015 | CN104288940A 阻火芯 Fire core |
| 01/14/2015 | CN204092889U 一种天然气回火阻燃阻爆器 One kind of flame and gas tempering Exploder |
| 01/14/2015 | CN104274929A 爆轰型阻火器 Detonation flame arrester |
| 01/07/2015 | CN204073190U 燃气管道阻火器 Gas Pipeline Fire |
| 12/31/2014 | CN204063096U 一种高效风冷火尘拦截器 An efficient air-cooled thermal dust interceptor |
| 12/10/2014 | CN103055450B 一种自发式爆炸抑制装置 A spontaneous explosion suppression device type |
| 10/16/2014 | US20140305506 Apparatus and Method for Inhibiting Propagation of a Flame Front |
| 09/30/2014 | US8844259 Flashback protector |
| 09/16/2014 | US8834153 Flame arrester arrangement |
| 08/07/2014 | WO2014118816A1 Anti explosion non return valve coupled to a counterweight by an anchor element that is releasable at a predetermined force |
| 08/06/2014 | EP2762202A1 Shut-off device for process lines, which can be used to fill a storage container with powder material or explosives. |
| 07/29/2014 | US8789616 Apparatus and method for inhibiting propagation of a flame front |
| 07/03/2014 | WO2014076097A3 Mitigation of vapor cloud explosion by chemical inhibition |
| 07/03/2014 | WO2013139688A3 Explosion protection with housing |
| 07/02/2014 | CN203677797U 一种自动控水位的水封式防爆器 An automatic control of water-sealed water-proof device |
| 06/11/2014 | CN203641756U 一种燃气管道放散管用新型阻火器 A gas pipeline of new flame arrester relief works |
| 05/28/2014 | CN203609778U 一种压差可视化干式管道阻火器 One kind of pressure visualization dry Pipeline Fire |
| 05/28/2014 | CN203609777U 一种可快速安装的阻火装置 A fire retardant devices can be quickly installed |
| 05/22/2014 | WO2014044371A3 Internal combustion engine with flame arrestor |
| 05/21/2014 | EP2732852A1 Mitigation of vapor cloud explosion by chemical inhibition |
| 05/07/2014 | CN203582799U 除尘干管高温烟尘自动清扫阻火装置 Dust dry pipe automatic cleaning soot temperature fire retardant devices |
| 04/30/2014 | DE102010050781B4 Sicherheitsarmatur Safety valve |
| 04/24/2014 | WO2014032127A3 Valve device and method for preventing explosion propagation |
| 04/24/2014 | WO2014032125A3 Valve device and method for preventing explosion propagation |
| 04/23/2014 | CN203556076U Fire barrier for fluidized bed pipeline |
| 04/17/2014 | DE102010050782B4 Sicherheitsarmatur zum Sperren einer Leitung Safety device for locking a line |
| 04/09/2014 | CN203525170U CET quick release corrugated plate fire arrestor |
| 04/09/2014 | CN203525165U Automatic blocking device for fuel gas backfire |
| 03/27/2014 | WO2014044371A2 Internal combustion engine with flame arrestor |
| 03/26/2014 | EP2711532A1 Internal combustion engine with flame arrestor |
| 03/26/2014 | CN103656931A Water-sealing type explosion prevention device with water level automatic-control function |
| 03/12/2014 | CN203469268U Pipeline flame restraining device |
| 02/27/2014 | WO2014031293A1 Flashback arrestor for use in gas cutting or welding equipment; oxy-fuel cutting or welding torch with such flashback arrestor |
| 02/13/2014 | WO2014022899A1 Valve with economy device and gas flow interruption in case of fire on the hose |
| 02/12/2014 | CN203434473U Flame retardant distribution box |
| 02/12/2014 | CN103566505A Flashback arrestor with safe pressure relief device |
| 02/06/2014 | WO2014020334A1 Firesafe coupling |
| 02/05/2014 | CN103550878A Automatic fuel gas tempering blocking device |
| 01/29/2014 | CN203408397U Burning-out fire arrestor for range hood |
| 01/22/2014 | EP2686642A2 Flame arrestor for process transmitter |
| 01/22/2014 | CN203400435U Smoke exhaust fire valve for kitchen |
| 01/15/2014 | CN203389255U Drawer-type quick-opening flame arrester |
| 01/15/2014 | CN203389254U Novel water-sealing fire arrester |
| 01/08/2014 | CN203379535U Metal fiber pipeline fire barrier |
| 01/08/2014 | CN203379534U Multi-layer wet type backfire-proof device |
| 01/08/2014 | CN203379533U Pipeline fire barrier |
| 01/02/2014 | US20140000918 Safety fitting for blocking a line |
| 12/27/2013 | WO2013190262A1 Gas sensor comprising flameproof barrier |
| 12/18/2013 | CN203342247U Pipeline fire barrier provided with safety net |
| 12/18/2013 | CN203342246U Dry fire barrier for coal mine gas delivery pipeline |
| 12/05/2013 | DE102012102468B4 Explosionsschutz mit Umhausung Explosion protection with enclosure |
| 12/02/2013 | DE202013010313U1 Funkenabscheidereinheit sowie Abscheidevorrichtung mit einer solchen Funkenabscheidereinheit Funkenabscheidereinheit and separator with such Funkenabscheidereinheit |
| 11/20/2013 | EP2663373A2 Methods of reducing flame propogation in systems with a flammable refrigerant |
| 11/13/2013 | CN203280947U Double-core-plate pipeline fire barrier |
| 11/07/2013 | WO2013102478A3 Safety assembly for containers and conduits for combustible fluids |
| 11/06/2013 | EP2658612A2 Flashback preventer |
| 11/06/2013 | CN203264100U Expansion fire-retarding assembly |
| 10/31/2013 | US20130284464 Methods of reducing flame propogation in systems with a flammable refrigerant |
| 10/24/2013 | US20130277073 Flame arrester |
| 10/22/2013 | CA2588403C Flame arrester insert and process for its production |
| 10/09/2013 | CN103346491A Flame retardant distribution box |
| 10/09/2013 | CN102553108B Orifice-plate spark particle obstructing device |
| 09/26/2013 | WO2013139688A2 Explosion protection with housing |
| 09/26/2013 | DE102012102468A1 Explosionsschutz mit Umhausung Explosion protection with enclosure |
| 09/25/2013 | CN203208573U Flame arrester with gas inlet fence |
| 09/25/2013 | CN103328049A Methods of reducing flame propogation in systems with a flammable refrigerant |
| 09/25/2013 | CN103328048A Flashback preventer |
| 09/18/2013 | EP2637749A2 Safety fitting for blocking a line |
| 09/18/2013 | EP2637748A2 Safety fitting |
| 09/18/2013 | CN203196173U Ventilation ball type fire barrier |
| 08/28/2013 | CN203154667U Marsh gas flame arrester |
| 08/28/2013 | CN203154666U Drawer type flame arrester |
| 08/28/2013 | CN203154665U Special flame arrester for pipeline |
| 08/21/2013 | CN103260710A Pressure-relief device for a housing enclosed in a pressure-roof manner |
| 08/15/2013 | WO2013117921A1 Device, nozzle, container and method for liquid flow control |
| 07/25/2013 | WO2012089187A3 Flashback preventer |
| 07/17/2013 | CN103203085A Methane flame arrester |
| 07/17/2013 | CN103203084A Drawer-type flame arrester |
| 07/17/2013 | CN103203083A Flame arrester specially used for pipelines |
| 07/17/2013 | CN101579559B Fire damping device |
| 07/04/2013 | DE202013003696U1 Druckentlastungsvorrichtung Pressure relief device |
| 06/27/2013 | WO2013091876A1 Bursting element for an explosion-prone installation |
| 06/26/2013 | CN203024601U Fire-proof air-regulating pipeline |
| 06/18/2013 | CA2590628C Flame arrester arrangement and method of incorporating bores in a flame arrester arrangement |
| 06/05/2013 | CN202961578U Explosion suppressor with safety observation window |
| 06/05/2013 | CN202961577U Explosion-proof fire barrier |
| 05/16/2013 | DE102011112123B4 Druckentlastungsvorrichtung für ein Berstelement Pressure relief device for a rupture |
| 05/15/2013 | CN202937851U Fireproof non-return valve |
| 04/24/2013 | CN103055452A Explosion-proof flame preventing device and flame preventing element |
| 04/24/2013 | CN103055451A Fire cutting air flue and fire cutting method |
| 04/24/2013 | CN103055450A Spontaneous explosion suppression device |
| 04/17/2013 | CN202876169U Fire-retarding filter screen of fire-extinguishing device |
| 04/17/2013 | CN202876168U Pipeline net type flame arrester |