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Class Information
Number: 441/90
Name: Buoys, rafts, and aquatic devices > Water rescue or life protecting apparatus > Personal flotation device > With mechanical inflation means
Description: Device having a chamber adapted to be expanded or enlarged for use from a collapsed state, together with means for causing the expansion.










Sub-classes under this class:

Class Number Class Name Patents
441/92 By compressed gas means 56
441/98 By gas generation from chemical reaction 18
441/91 By pump 3


Patents under this class:

Patent Number Title Of Patent Date Issued
8584695 Air valve for inflatable device Nov. 19, 2013
8128444 Actuator box assembly Mar. 6, 2012
7861373 Assemblable jerk handle for inflators Jan. 4, 2011
7699679 Inflatable life-saving swimming garment Apr. 20, 2010
7445533 Inflation device Nov. 4, 2008
7371142 Buoyancy compensator device, particularly for divers May. 13, 2008
7347757 Rescue apparatus and method Mar. 25, 2008
7264525 Flotation device Sep. 4, 2007
7056179 Combination inflator and manifold assembly Jun. 6, 2006
6902453 High security opening apparatus for hermetically sealed containers Jun. 7, 2005
6857136 Inflatable head and neck support collar Feb. 22, 2005
6814639 Air valve Nov. 9, 2004
6688253 Methods of using hands free signal devices Feb. 10, 2004
6676467 Safety airbag for swimmers Jan. 13, 2004
6386137 Rescue signal device May. 14, 2002
6332424 Hands free signal device Dec. 25, 2001
5785567 Buoyancy jacket Jul. 28, 1998
5685752 Compressible and expandable floatation apparatus and method Nov. 11, 1997
5458516 Atmospheric self inflatable suit Oct. 17, 1995
5067921 Inflatable immersion suit Nov. 26, 1991
4690314 Buoyancy compensator insertable backpack Sep. 1, 1987
4673366 Exposure suit with an attached lifejacket Jun. 16, 1987











 
 
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