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Class Information
Number: 441/93
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > With mechanical inflation means > By compressed gas means > With puncturing means
Description: Device including means for piercing a seal on the pressurized gas source in order to allow the gas to flow into the chamber.










Sub-classes under this class:

Class Number Class Name Patents
441/95 Actuated by water softened or soluble member 25
441/94 Lever actuated 60


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8360276 Manual inflator with cylinder connector and status indicator Jan. 29, 2013
8353736 Double point indicating auto/manual gas inflator Jan. 15, 2013
7682209 Safety structure for disassembling and positioning an airbag Mar. 23, 2010
7673647 Inflation valve with pneumatic assist Mar. 9, 2010
7669616 Apparatus for puncturing a gas filled bottle Mar. 2, 2010
7544111 Puncture device for an inflatable unit Jun. 9, 2009
7445132 System for determining gas cartridge actuation state Nov. 4, 2008
7328464 Inflating and separating device of body protection airbags Feb. 12, 2008
7299816 Inflation valve assembly Nov. 27, 2007
7178547 Inflation valve with pneumatic assist Feb. 20, 2007
7018257 Volume amplified compressed gas life jacket and life raft inflator Mar. 28, 2006
6951493 Automatically inflatable safety device Oct. 4, 2005
6589087 Automatic inflator with status indicator Jul. 8, 2003
6561863 Pressure actuated triggering system May. 13, 2003
6422420 Compressed gas safety inflator for life vests, life rafts and the like Jul. 23, 2002
6409561 Remote activated water self rescue system Jun. 25, 2002
6260570 Puncture disc raft inflation valve having a one-piece valve body Jul. 17, 2001
6254447 Self-acting flotation device for flotation life preservers Jul. 3, 2001
6158380 Saving apparatus for persons in avalanches Dec. 12, 2000
6089403 Inflation system with pneumatic assist Jul. 18, 2000
5879213 Inflatable life saving garment Mar. 9, 1999
5847473 Electrical contactor having a double immersion sensing function Dec. 8, 1998
5816878 Trigger device Oct. 6, 1998
5685455 Device for inflating a container or a floating body, more particularly a life jacket Nov. 11, 1997
5669795 Life-saving float Sep. 23, 1997
5643030 Gas cartridge safety inflator apparatus Jul. 1, 1997
5518430 Triggering mechanism May. 21, 1996
5509576 Electric autoinflator Apr. 23, 1996
5500952 Hip inflatable protection device Mar. 26, 1996
5413247 Release adapter for pressure gas cartridge May. 9, 1995
5400922 Electric autoinflator Mar. 28, 1995
5333656 Auto inflator having dissolvable element under low pressure Aug. 2, 1994
5311394 Water-actuated pressurized gas release device May. 10, 1994
5226561 Projectile for initiating inflation of a motor vehicle inflatable safety system Jul. 13, 1993
5178569 Auto-inflated life buoy Jan. 12, 1993
5076468 Squib inflator adaptor Dec. 31, 1991
5042134 Method for securing a lanyard to an inflator lever arm Aug. 27, 1991
5035345 Automatic inflator for inflatable articles Jul. 30, 1991
5027977 Automatic inflation valve Jul. 2, 1991
5026310 Electric autoinflator Jun. 25, 1991
4972971 Automatic inflator for inflatable articles Nov. 27, 1990
4968277 Automatic flotation device Nov. 6, 1990
4959034 Puncture disc inflation valve with improved cutting bayonet Sep. 25, 1990
4927057 Automatic inflator for inflatable articles May. 22, 1990
4894036 Inflator assembly for life vests Jan. 16, 1990
4815677 Emergency locator device Mar. 28, 1989
4805802 Valve for puncturing and releasing gas from a pressurized cylinder Feb. 21, 1989
4800835 Locator device Jan. 31, 1989
4731037 Water survival kit Mar. 15, 1988
4676461 Flotation devices for aircraft undercarriages Jun. 30, 1987

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