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Class Information
Number: 441/96
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > With mechanical inflation means > By compressed gas means > With control valve
Description: Device including a means located in a flow line communicating the gas source with the chamber to regulate the flow of the pressurized gas from the source.










Sub-classes under this class:

Class Number Class Name Patents
441/97 Actuated by water softened or soluble member 4


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8231421 Inflatable wet suit Jul. 31, 2012
8157479 Low profile buoyancy adjustment controller and valve system for diver's vest Apr. 17, 2012
8113897 Flotation aid Feb. 14, 2012
8033755 Safety device, diving equipment and safety method for scuba diving Oct. 11, 2011
7988511 Freediving safety apparatus Aug. 2, 2011
7922422 Low profile buoyancy adjustment controller and valve system for diver's vest Apr. 12, 2011
7854028 Disposable toilet seat cover apparatus Dec. 21, 2010
7699679 Inflatable life-saving swimming garment Apr. 20, 2010
7083362 Buoyancy compensation coupling device (BCCD) and method of inflation Aug. 1, 2006
7029354 Compact personal inflatable flotation device Apr. 18, 2006
7018257 Volume amplified compressed gas life jacket and life raft inflator Mar. 28, 2006
6966809 Air supply and exhaust system for buoyancy compensator Nov. 22, 2005
6843694 Wearable emergency flotation device Jan. 18, 2005
6761163 Inflator regulator with multiple adapters for connection to different size BC hoses Jul. 13, 2004
6722819 Device for operating inflation and deflation valves of an air chamber of a scuba diver's balancing jacket Apr. 20, 2004
6709307 Inflating device for balancing jackets for diving activities equipped with horseshoe-shaped inflatable chamber Mar. 23, 2004
6666623 Buoyancy control device and method for controlling divers ascent Dec. 23, 2003
6592298 Buoyancy compensator for scuba divers Jul. 15, 2003
6461080 Balancing jacket for divers Oct. 8, 2002
6431934 Underwater diving buoyancy compensator jacket with quick-release valves which can be operated simultaneously Aug. 13, 2002
6413132 Life raft inflation valve Jul. 2, 2002
6402429 Buoyancy compensator harness system Jun. 11, 2002
6394867 Emergency self-inflating flotation device May. 28, 2002
6386137 Rescue signal device May. 14, 2002
6287053 Equipped balancing jacket Sep. 11, 2001
6039043 Underwater air supply system Mar. 21, 2000
6004178 Life saving device that can be attached to the body of a user Dec. 21, 1999
5954556 Emergency flotation device Sep. 21, 1999
5921832 Inflation valve Jul. 13, 1999
5788415 Integrally-encased diving control valve means Aug. 4, 1998
5746543 Volume control module for use in diving May. 5, 1998
5685455 Device for inflating a container or a floating body, more particularly a life jacket Nov. 11, 1997
5660503 Light weight scuba with buoyancy control Aug. 26, 1997
5620282 Buoyancy compensator assembly Apr. 15, 1997
5560738 Depth sensitive diver safety system Oct. 1, 1996
5536191 Life-saving assistance drive Jul. 16, 1996
5520485 Power inflator assembly for buoyancy compensator May. 28, 1996
5518430 Triggering mechanism May. 21, 1996
5496136 Automatic buoyancy compensator with electronic vertical motion Mar. 5, 1996
5419725 Triggering mechanism May. 30, 1995
5374212 Personal flotation equipment Dec. 20, 1994
5346419 Buoyancy compensator device with backpack and adjustable harness Sep. 13, 1994
5256094 Buoyancy compensator for divers Oct. 26, 1993
5162006 Portable safety apparatus Nov. 10, 1992
5148346 EMI protected water-activated pressurized gas release apparatus Sep. 15, 1992
5009249 Valve for fluid container Apr. 23, 1991
4887987 Inflatable emergency flotation device Dec. 19, 1989
4779554 Rigid diver backpack with internal buoyancy compensator and ballast compartment Oct. 25, 1988
4768128 Water activated pressurized gas release device Aug. 30, 1988
4762145 Underwater pressure relief valve Aug. 9, 1988

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