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Class Information
Number: 441/60
Name: Buoys, rafts, and aquatic devices > Swimming aid to increase stroke efficiency > Leg attached
Description: Devices which is secured to the leg of a swimmer.










Patents under this class:

Patent Number Title Of Patent Date Issued
8690617 Swimming propulsion device Apr. 8, 2014
8678870 Retractable swim fins Mar. 25, 2014
8662946 Body surfing suit Mar. 4, 2014
8246404 Swim fin system Aug. 21, 2012
8216013 Body surfing enhancement device and associated methods Jul. 10, 2012
7988508 Swimming propulsion device Aug. 2, 2011
7621851 Aquatic exercise device Nov. 24, 2009
7614928 Swim shoe with lateral fins Nov. 10, 2009
7285030 Swim fin Oct. 23, 2007
7169000 Swimming aid training device Jan. 30, 2007
7044819 Swim training device May. 16, 2006
7040942 Swim fin May. 9, 2006
6364727 Swimming aid with movable fins Apr. 2, 2002
6342031 Water gaiters and sleeves Jan. 29, 2002
6193636 Swimming auxiliary device Feb. 27, 2001
6048237 Hydrodynamic foil angle of incidence control system Apr. 11, 2000
6007461 Aquatic exercise device Dec. 28, 1999
5749759 Aquadynamic swim apparatus May. 12, 1998
5700173 Swimming instructional device Dec. 23, 1997
5692932 Propulsion gaiter for float fishermen Dec. 2, 1997
5649845 Flapping paddle and vertical stabilizer for swimmer Jul. 22, 1997
5338235 Swimming aid Aug. 16, 1994
5326296 Swimmers aid Jul. 5, 1994
5087217 Swimming shoe Feb. 11, 1992
5055075 Directional fins for body and body board surfing Oct. 8, 1991
4929205 Leg immobilizer-drag for training swimmers May. 29, 1990
4884986 Swimmer's propulsion aid Dec. 5, 1989
4867720 Swimmer's propulsion enhancer and training device and method Sep. 19, 1989
4858913 Aquatic exercising aid Aug. 22, 1989
4828521 Swimmer's propulsion enhancer and training device and method May. 9, 1989
4813668 Aquatic boot Mar. 21, 1989
4804326 Swimming instruction and training aid Feb. 14, 1989
4767118 Ankle exercising device Aug. 30, 1988
4671507 Buoyant exercise device for use in a water environment Jun. 9, 1987
4362518 Combined kick board and arm stroke swimming practice device Dec. 7, 1982
4300759 Inflatable aquatic exerciser Nov. 17, 1981
3978537 Swim fin including means for maintaining foot and leg in fixed relationship Sep. 7, 1976
3934290 Swimming system Jan. 27, 1976











 
 
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