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Class Information
Number: 441/131
Name: Buoys, rafts, and aquatic devices > Body supporting buoyant device > With seat > Annular buoyant member
Description: Device wherein the buoyancy means is in the form of a ring.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8657640 Collapsible flotation device Feb. 25, 2014
8523621 Cover for inflatable tube Sep. 3, 2013
8187047 Tethered flotation device and method of use thereof May. 29, 2012
7987531 Portable floating hot tub Aug. 2, 2011
7818842 Foldable mattress with integral carrying pouch Oct. 26, 2010
7727038 Collapsible flotation device having back support member Jun. 1, 2010
7500893 Collapsible flotation device Mar. 10, 2009
7404371 Floating leisure platform Jul. 29, 2008
7335080 Collapsible flotation device Feb. 26, 2008
7314399 Floating sportsman's blind Jan. 1, 2008
7207857 Floating assemblies Apr. 24, 2007
7147528 Collapsible flotation device Dec. 12, 2006
7137856 Collapsible mat assemblies Nov. 21, 2006
7134930 Collapsible flotation device Nov. 14, 2006
7097524 Collapsible flotation device Aug. 29, 2006
7083487 Emergency flotation and recovery device Aug. 1, 2006
6971936 Collapsible flotation device having support member Dec. 6, 2005
6908353 Collapsible mat assemblies Jun. 21, 2005
6896569 Float tube cover May. 24, 2005
6840830 Buoyant ring lounger Jan. 11, 2005
6758710 Method of reinforcement of marine buoyancy modules Jul. 6, 2004
6749474 Inflatable flotation device having removable canopy Jun. 15, 2004
6702635 Inflatable chair Mar. 9, 2004
6648707 Protective cover for an inflatable towable vehicle Nov. 18, 2003
6547615 Flotation device Apr. 15, 2003
6508682 Water trampoline Jan. 21, 2003
6485344 Collapsible flotation device Nov. 26, 2002
6352461 Water rescue device and method Mar. 5, 2002
6345744 Duck hunter's caddy Feb. 12, 2002
6331128 Flexible core recreational device Dec. 18, 2001
6234857 Pet recreation flotation device May. 22, 2001
6213832 Personal flotation device and related system for maintaining human body in partially-submerged horizontal position Apr. 10, 2001
6126504 Infant flotation device Oct. 3, 2000
6080028 Life ring/chair combination Jun. 27, 2000
6012778 Inflatable seat back Jan. 11, 2000
6010382 Hydroplane inner tube with adjustable seat Jan. 4, 2000
5951348 Life preserver for an infant or young child Sep. 14, 1999
5772484 Floatation toy device Jun. 30, 1998
5766052 Combination child float/adult aquatic exercise device Jun. 16, 1998
5667416 Flotation device and swimming aid Sep. 16, 1997
5570480 Inflatable floating spa Nov. 5, 1996
5507674 Aquatic system with pneumatic devices and releasable coupling therebetween Apr. 16, 1996
5503099 Towable water recreation device Apr. 2, 1996
5476404 Inflatable recreational inner tube toy Dec. 19, 1995
5474481 Multi-sport flotation system Dec. 12, 1995
5334067 Inflatable float ring with redundant flotation means Aug. 2, 1994
5304082 Recreational floatation device Apr. 19, 1994
5299588 Floatable sunshade assembly Apr. 5, 1994
5297978 Tote 'N flote water vehicle Mar. 29, 1994
5295885 Inner tube hammock/seat for water/snow recreation Mar. 22, 1994

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