A62C 4 - Flame traps allowing passage of gas but not of flame or explosion wave

Patents for A62C 4 - Flame traps allowing passage of gas but not of flame or explosion wave (753)
10/2006
10/26/2006	WO2006111765A1 Detonation flame arrester
10/26/2006	CA2606725A1 Detonation flame arrester
10/25/2006	CN1850311A Novel fire-retardant core
10/18/2006	CN2827440Y Dry flame trap used in gas pipe
10/11/2006	CN2824997Y A manual fire damper
10/05/2006	WO2006104900A1 Device for locking out a pressurized storage container and method for the same
10/04/2006	CN2822692Y Electric fire-proof valve
08/2006
08/09/2006	EP1689010A1 Single point battery watering system including battery refill valves incorporating flame arrestors
08/03/2006	US20060172243 Flame arrestor with reflection suppressor
08/01/2006	CA2269010C Process for rendering a detonation front harmless and a detonation safety device
07/2006
07/26/2006	CN2800011Y Explosion-proof flame-arresting breather valve
07/26/2006	CN2799009Y Flue duct non-return fire-proofing valve
07/06/2006	US20060144599 Permanently fireproof flame guard
07/06/2006	DE102004061599A1 Flame barrier for explosive dust e.g. coal dust, has container, in which flow head is arranged, and extraction opening connected with conveying device for transmission of fluidized dust from container to duct load
06/2006
06/28/2006	EP1674732A2 Explosion protection for non-electric device
06/14/2006	CN2787250Y Detachable check valve of automatic fire-proof insulating gate combined valve
06/07/2006	EP1128874B1 Flame arrester
06/07/2006	CN2785642Y Fireproof valve of air exhausting duct
06/06/2006	US7056114 Flame arrestor with reflection suppressor
05/2006
05/17/2006	CN1772320A Fireproof valve for ventilation channel
05/10/2006	CN2778328Y Explosion resistant crimped ribbon arrester
04/2006
04/20/2006	WO2006041311A1 Means for fire protection of pipe joints and valves in pipelines
04/12/2006	CN2771679Y Two-ring infrared gas burner with back-fire controlling function
04/12/2006	CN1757971A Domestic gas stove burner having tempering control function
04/06/2006	DE102005034216A1 Flame setback eliminating method e.g. for directing inflammable medium, involves transferring detonation under critical detonation border into deflagration
03/2006
03/29/2006	CN2767785Y Combined fireproof check valve
03/29/2006	CN2766894Y Automatic fire-extinguishing device for ventilator pipe
03/21/2006	US7014164 Device for protection against explosions in pipe-line
03/16/2006	DE102004042835B3 Flame barrier, for small appliances and machinery, has radially opposed and axial outer grooves with a gap between them to form a flame barrier gap which they cannot penetrate
03/08/2006	EP1631358A1 Permanently fireproof flame guard
03/08/2006	CN1244383C Multi-layer slit heat pipe fire suppressor
03/01/2006	EP1467803B1 Detonation flame arrestor including a spiral wound wedge wire screen for gases having a low mesg
03/01/2006	CN2761209Y Water seal of preventing flashback
02/2006
02/08/2006	CN2756914Y Novel fire retardant aspiration valve
01/2006
01/12/2006	US20060008755 Flame arrester
12/2005
12/29/2005	WO2005123195A1 Vacuum pump
12/27/2005	US6978845 Flame barrier arrangement
12/22/2005	DE10112957B4 Flammensperrenanordnung Flame arrestor assembly
12/15/2005	DE10326150B4 Dauerbrandsichere Flammensperre Endurance burning flame arrester
11/2005
11/10/2005	DE20321089U1 Permanently fireproof flame guard for end of pipe carrying flammable gas mixture has annular formation of porous rings separated by solid metal rings, set in annular holder
10/2005
10/20/2005	DE20122467U1 Flame stop arrangement has at least two flame stop components one behind other in flow direction of burnable gas and provided with number of gaps for existinguishing flame coming into contact with surface of flame filter component
10/19/2005	EP1586350A1 Flame arrester
10/19/2005	CN1683826A Flame arrester
10/06/2005	US20050221166 Float valve assembly for battery
09/2005
09/15/2005	DE102004011233A1 Einrichtung und Verfahren zur Verminderung und/oder zur Vemeidung einer Rauch- und/oder Brandausbreitung in einem Kanal Apparatus and method for reducing and / or Vemeidung a smoke and / or fire propagation in a duct
09/07/2005	EP1570881A2 Installation and action for reduction and/or for the avoidance of a smoke and/or a fire spread in a channel
08/2005
08/24/2005	CN1215892C Colummar explosion wave preventing valve
07/2005
07/27/2005	EP1557598A2 Float valve assembly for battery
06/2005
06/21/2005	US6908377 Explosion protection venting system
05/2005
05/26/2005	US20050113018 Explosion protection venting system
05/11/2005	EP1528948A1 Flame arrester
04/2005
04/19/2005	CA2186652C Method and system for weakening a detonation in a container or piping system
04/14/2005	WO2005033567A1 Gas breaker and fluid supply system
04/13/2005	CN2691648Y Mechanical anti fire-return device pressure relief device capable of repeatedly use
03/2005
03/31/2005	WO2005028932A1 Safety device for gas lines
03/24/2005	DE10339189A1 Safety device for automatic shut-off of gas pipes has shut-off element upon which acts release mechanism with thermal bi-metal snap plate which when predetermined temperature value is exceeded changes form in spring fashion
03/16/2005	CN1192804C Gas pipeline fire arrester having automatic safety valve
03/09/2005	EP1512910A1 Flashback arresting device with cold deformed swivel nut
03/09/2005	CN1589928A Vacuum pipe disaster prevention device
02/2005
02/17/2005	WO2005014112A1 Flame arrester
02/17/2005	DE10336530B3 Flammendurchschlagsicherung The flame arrestor
02/17/2005	DE10326150A1 Dauerbrandsichere Flammensperre Endurance burning flame arrester
01/2005
01/05/2005	DE202004015268U1 Safety shut-off, to block a flow through a gas pipe, has a thermal bimetal snap disk which changes shape abruptly on a temperature increase to close an opening in the housing
12/2004
12/16/2004	WO2004108219A1 Permanently fireproof flame guard
11/2004
11/10/2004	CN2654160Y Combustible gas fire extinguisher
10/2004
10/20/2004	EP1467803A1 Detonation flame arrestor including a spiral wound wedge wire screen for gases having a low mesg
10/20/2004	CN2649123Y Oxyhydrogen flame inflating water-sealed flashback preventing device
09/2004
09/22/2004	CN2642350Y High air-tight fireproof and smoke venting fireproof valve
09/05/2004	CA2421543A1 Internal fire prevention system for chimneys
08/2004
08/26/2004	US20040163825 Fire and explosion suppression
08/11/2004	CN2631546Y Dried hot pipe fire retardant device
07/2004
07/22/2004	DE10260808A1 Quenching device, designed as pipe with baffle structure dividing detonation area into two parts
06/2004
06/17/2004	US20040115103 Preventing equipment damage; glass bursts releasing fumes into environment when excess volume is too large to vent through safety valve
05/2004
05/27/2004	DE19957836B4 Verfahren und Vorrichtung zum Dämpfen des Druckstoßes an Flammensperren bei Detonationen Method and device for damping the pressure surge of flame arrestors in detonations
05/06/2004	DE19837146B4 Brandschutzeinsatz für gasführende Rohrdurchgänge Fire protection insert for gas-conducting pipe passages
04/2004
04/22/2004	US20040075558 Method and apparatus for monitoring environmental conditions in restricted places
04/08/2004	US20040065449 Flame arrestor with reflection suppressor
04/01/2004	US20040061085 Device for protection against explosions in pipe-line
03/2004
03/31/2004	EP1403576A1 Pipe closure device for explosion protection
03/24/2004	CN1483491A Multi-layer slit heat pipe fire suppressor
03/18/2004	DE10201287B4 Bodenablauf Floor drain
03/17/2004	CN1141995C Fireproof railings
03/02/2004	US6699035 Detonation flame arrestor including a spiral wound wedge wire screen for gases having a low MESG
01/2004
01/02/2004	EP1372790A2 Fire and explosion suppression
12/2003
12/24/2003	CN2593823Y Pipe fire eliminator
12/04/2003	WO2003083369B1 Flame arrestor with reflection suppressor
11/2003
11/26/2003	EP0703807B1 Method and installation for removing smoke from a monitored space
11/19/2003	EP1362961A1 Structural unit for fire protection of a draining device and draining device comprising that structural unit
11/11/2003	US6644961 Flame arrestor with reflection suppressor
10/2003
10/22/2003	CN2580996Y Drawer-type corrugated flame trap
10/14/2003	US6632261 Method and apparatus for pyrophoric and other type gas line explosion suppression
10/09/2003	WO2003083369A1 Flame arrestor with reflection suppressor
10/02/2003	DE20220498U1 Method for fire proofing cable duct and ground drain with a cylindrical insert with thermally expanding cladding
09/2003
09/30/2003	US6625934 Method for monitoring environmental conditions in restricted spaces
09/03/2003	CN2569824Y Smoke-and fire-proof regulating valve
08/2003
08/20/2003	CN1436574A Colummar explosion wave-preventing valve
08/06/2003	CN2564185Y Plate net fire trap
06/2003
06/11/2003	CN2555062Y Fire isolation can of gas pipeline
05/2003
05/21/2003	EP1312393A1 Apparatus and method for fire prevention
05/07/2003	CN1107829C Explosiveproof pressure reducing valve

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