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Class Information
Number: 441/92
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > With mechanical inflation means > By compressed gas means
Description: Device including a self-contained source of pressurized gas for expanding the chamber.










Sub-classes under this class:

Class Number Class Name Patents
441/96 With control valve 64
441/93 With puncturing means 60


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8231421 Inflatable wet suit Jul. 31, 2012
7893803 Correlated magnetic coupling device and method for using the correlated coupling device Feb. 22, 2011
7854028 Disposable toilet seat cover apparatus Dec. 21, 2010
7704113 Lifejacket Apr. 27, 2010
7677940 Swimmer's safety apparatus Mar. 16, 2010
7351126 Combination wetsuit and flotation device, and method of use Apr. 1, 2008
7347757 Rescue apparatus and method Mar. 25, 2008
7335078 Tactical flotation support system Feb. 26, 2008
7029354 Compact personal inflatable flotation device Apr. 18, 2006
6761163 Inflator regulator with multiple adapters for connection to different size BC hoses Jul. 13, 2004
6681399 Protective garment Jan. 27, 2004
6582157 Diving jacket Jun. 24, 2003
6551159 Automotive underwater evacuation system Apr. 22, 2003
6409429 Backpack for underwater breathing gas tanks Jun. 25, 2002
6386137 Rescue signal device May. 14, 2002
6270386 Avalanche life-preserving jacket with airbag Aug. 7, 2001
6220909 Avalanche life saving system Apr. 24, 2001
6217257 Balancing jacket with a plurality of connected discharge valves for scuba divers Apr. 17, 2001
6168487 Inflatable structure, in particular a life float Jan. 2, 2001
6106348 Inflatable personal flotation device Aug. 22, 2000
6004177 Pocket-sized, emergency flotation device with status indicator Dec. 21, 1999
6004178 Life saving device that can be attached to the body of a user Dec. 21, 1999
5988438 Apparatus for rapid inflation of inflatable object and related method Nov. 23, 1999
5823713 Scuba diving apparatus with depth control Oct. 20, 1998
5791956 Divers safety device Aug. 11, 1998
5738557 Pocket-sized, emergency flotation device Apr. 14, 1998
5664980 Coupling for an air hose of a diver's jacket Sep. 9, 1997
5516233 Water safety and survival system May. 14, 1996
5456623 Inflatable flotation device Oct. 10, 1995
5257954 Rescue buoy package Nov. 2, 1993
5098325 Personal, self-contained inflatable flotation apparatus Mar. 24, 1992
5062546 Snap rivet safety lock for inflators Nov. 5, 1991
5026310 Electric autoinflator Jun. 25, 1991
4925418 Individual rescue apparatus May. 15, 1990
4865573 Inflatable life vest of the single-attachment, single-adjustment type Sep. 12, 1989
4799906 Rescue apparatus Jan. 24, 1989
4779554 Rigid diver backpack with internal buoyancy compensator and ballast compartment Oct. 25, 1988
4734072 Anti-exposure suit Mar. 29, 1988
4720281 Diving buoyancy compensator Jan. 19, 1988
4713033 Line throw-bag Dec. 15, 1987
4685890 Inflatable lifejacket Aug. 11, 1987
4681552 Combined life vest device and buoyancy compensator Jul. 21, 1987
4666413 Life-saving appliance with a gas-tight covering May. 19, 1987
4645465 Scuba gear with combined flotation and transport device Feb. 24, 1987
4627822 Low temperature inflator apparatus Dec. 9, 1986
4582494 Protected liquid-sensitive actuator for displacement responsive devices Apr. 15, 1986
4529333 Underwater air valve assembly Jul. 16, 1985
4500014 Multiple firing inflator Feb. 19, 1985
4416393 Inflator guard Nov. 22, 1983
4324507 Automatically-controlled buoyancy vest Apr. 13, 1982

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