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Class Information
Number: 441/79
Name: Buoys, rafts, and aquatic devices > Water skimming or walking device > Having stabilizing surface
Description: Device including a means, such as a keel, fin, etc. which tend to steady the water skimming or walking device.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8657639 Water sporting device having retractable fins Feb. 25, 2014
8636552 Powered surfboard Jan. 28, 2014
8632373 Foldable watercraft fin Jan. 21, 2014
8613636 Low-drag fin and foil system for surfboards Dec. 24, 2013
8556670 Slidable surfboard fin Oct. 15, 2013
8530036 Hard shell bodyboard kickboard Sep. 10, 2013
8469757 Modular fin for a surfboard, sailboard or other water-borne device Jun. 25, 2013
8465334 Fin box Jun. 18, 2013
8435092 Personal water sport riding board May. 7, 2013
8414344 Pivotal surfboard fin assembly Apr. 9, 2013
8408958 Pivoting fin with securement Apr. 2, 2013
8393928 Fin attachment structure Mar. 12, 2013
8376798 Method of uprighting and locating a water sports board in the water and a directional float therefor Feb. 19, 2013
8333630 Hard edge for inflatable surfboard Dec. 18, 2012
8328593 Low-drag fin and foil system for surfboards Dec. 11, 2012
8292681 Water recreation device Oct. 23, 2012
8282434 Fin Oct. 9, 2012
8246406 Fin retention system for a water craft Aug. 21, 2012
8210888 Foldable watercraft fin Jul. 3, 2012
8151724 Rudder assembly for an inflation boat Apr. 10, 2012
8142248 Method of uprighting and locating a water sports board in the water and a directional float therefor Mar. 27, 2012
8113896 Aquatic carrier and rudder thereof Feb. 14, 2012
8096846 Auto-fastening removable fin system Jan. 17, 2012
8083560 Pivotal surfboard fin assembly Dec. 27, 2011
7985111 Sport boards with carbon fiber stringers Jul. 26, 2011
7896718 Fin or keel with flexible portion for surfboards, sailboards or the like Mar. 1, 2011
7798877 Symmetry surfing system Sep. 21, 2010
7717763 Water sports board with wave engager May. 18, 2010
7685959 Surfboard with graduated channels Mar. 30, 2010
7578715 Towable recreational water board Aug. 25, 2009
7524225 Hydrodynamic ridge devices for small watercraft Apr. 28, 2009
7497752 Fin attachment system and method Mar. 3, 2009
7481690 Surfboard fin Jan. 27, 2009
7438618 Flotation device Oct. 21, 2008
7393256 Fin assembly Jul. 1, 2008
7311576 Adjustable watercraft fin apparatus and method having three degrees of freedom Dec. 25, 2007
7285031 Fin systems Oct. 23, 2007
7264524 Adjustable fin system Sep. 4, 2007
7244157 High-lift, low drag fin for surfboard and other watercraft Jul. 17, 2007
7198532 Fin attachment system Apr. 3, 2007
7192323 Stabilizer device Mar. 20, 2007
7182661 Detachable surfboard fin system Feb. 27, 2007
7144285 Hydrofoil surfing board Dec. 5, 2006
7121911 Surfcraft removable fin system improved plug installation Oct. 17, 2006
7108571 Method and apparatus for attaching a fin to a small watercraft Sep. 19, 2006
7108572 Sailboard with multiple skegs Sep. 19, 2006
7083173 Dual density foam core sports board Aug. 1, 2006
7037154 Method for fixing or removing surfboard fin, and surfboard fin May. 2, 2006
7029352 Method for fixing or removing surfboard fin Apr. 18, 2006
7025645 Snappingly assembled surf fins Apr. 11, 2006

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