Patents
Patents for A63B 35 - Swimming framework with driving mechanisms operated by the swimmer or by a motor (310)
11/1998
11/12/1998DE19713795A1 Water sledge for swimmer on stomach
10/1998
10/28/1998CN2295506Y Electric swimming board
09/1998
09/16/1998CN2291174Y Pedal propeller quick-swimming equipment
07/1998
07/28/1998US5785563 For self-propulsion through water
07/21/1998US5782664 Motorized craft for propelling a person lying in a horizontal position
01/1998
01/28/1998EP0820330A1 Boat for divers
01/21/1998CN2272769Y In-water sport equipment
01/06/1998US5704817 Water surface propulsion device
12/1997
12/04/1997DE19622162A1 Water sports appliance for self propulsion in water
08/1997
08/12/1997US5655939 Towable board for underwater swimming and riding on the water surface
07/1997
07/22/1997US5649845 Flapping paddle and vertical stabilizer for swimmer
06/1997
06/03/1997US5634423 Personal submersible marine vehicle
05/1997
05/01/1997WO1997015491A1 A turbine having improved efficiency
04/1997
04/16/1997EP0767694A1 Individual underwater propulsion means
03/1997
03/05/1997EP0609447B1 Apparatus for swimming and diving towed by a boat
01/1997
01/01/1997CN2243921Y Back carrying motor human body aviation device
10/1996
10/29/1996US5568783 For towing a person through and across a water surface
10/03/1996WO1996030087A1 Boat for divers
10/02/1996DE19511850A1 Unterwassermotorschlitten Underwater snowmobile
09/1996
09/19/1996WO1996007305A3 Drive fin device
05/1996
05/09/1996WO1996013424A1 Powered swimming aid
03/1996
03/21/1996WO1996008407A1 Underwater propulsion system having reduced weight penalty
03/14/1996WO1996007305A2 Drive fin device
01/1996
01/09/1996US5482485 Aquatic maneuvering device
01/04/1996DE19513788A1 Propulsion unit of bio=mechanically or mechanically driven floating body
12/1995
12/14/1995WO1995033528A1 Motorized craft for propelling a person lying in a horizontal position
11/1995
11/28/1995US5469803 Individual underwater propulsion device
11/01/1995CN2211295Y Surfboard
09/1995
09/28/1995DE4410674A1 Swimming device for water sport and leisure
09/14/1995DE4407566A1 Solar-powered water sports device
04/1995
04/12/1995CN2194191Y Multi-function auxiliary frame for dive apparatus
02/1995
02/22/1995CN2189950Y Swimming aid
02/14/1995US5388543 Personal water surface towing device
01/1995
01/31/1995US5385497 Water exerciser
11/1994
11/22/1994US5365868 Underwater propulsion system having reduced weight penalty and variable angle of thrust
09/1994
09/20/1994US5348503 Underwater paddle and vertical fin for swimmer
08/1994
08/10/1994EP0609447A1 Apparatus for swimming and diving towed by a boat
06/1994
06/29/1994CN2170126Y Boosting swimming aid
06/28/1994US5323727 Group underwater towing device
04/1994
04/06/1994CN1084776A Pedal swimming device
03/1994
03/17/1994WO1994005375A1 Personal water surface towing device
03/17/1994CA2145743A1 Personal water surface towing device
03/16/1994CN2158739Y Driving device for swimming
02/1994
02/23/1994CN2156896Y Convenient swimming pusher
12/1993
12/09/1993WO1993024185A1 Apparatus for swimming and diving towed by a boat
12/09/1993CA2113158A1 Apparatus for swimming and diving towed by a boat
11/1993
11/25/1993WO1993023119A1 Individual underwater propulsion means
10/1993
10/27/1993CN1077617A Travelling assembly
09/1993
09/02/1993DE4204050A1 Toy for use in the water - consists of double cranked shaft with grips and bucket wheels at ends
07/1993
07/14/1993CN2137971Y Multifunctional floating helper for swimming
02/1993
02/25/1993DE4127497A1 Electrically-driven swimming aid - has foam-filled plastic housing and motor controlled by watertight press button
12/1992
12/23/1992CN2125419U Multi-purpose swimming air cushion
12/15/1992US5170739 Personal water propulsion system
10/1992
10/27/1992US5158034 Automatic swimming board
06/1992
06/24/1992CN1062092A Vane wheel driving device for floating raft
05/1992
05/19/1992US5114371 Water paddle and flotation device for use by swimmers
04/1992
04/21/1992US5105753 Multi-purpose underwater propelling device
04/02/1992WO1992004948A1 A swimming aid
02/1992
02/25/1992US5090928 Man-powered propulsion device
01/1992
01/09/1992WO1992000124A1 Propulsion device for swimmers
11/1991
11/27/1991CN2089448U Double dolphin type diving bicycle on water surface
09/1991
09/25/1991CN2085244U Multifunction air cushion bed
08/1991
08/20/1991US5041031 Swimming frame
08/15/1991CA2034299A1 Underwater propulsion device
07/1991
07/25/1991DE4001854A1 Thrust generator with hollow shell body - which forms support surface profile in cross=section, with lug profile at edge
07/17/1991CN2080854U Inflating boat
06/1991
06/18/1991US5024178 Subsurface
03/1991
03/13/1991CN1049795A Human body propeller in water
03/05/1991US4996938 Apparatus for propelling a user in an underwater environment
10/1990
10/31/1990DE3831456A1 Floating aid for frogmen
10/10/1990CN2063425U Motor-driven swimming pulling apparatus
11/1989
11/23/1989DE3815825A1 Watercraft
09/1989
09/12/1989US4864959 Aquascooter
07/1989
07/04/1989US4843998 Submersible drive means
05/1989
05/23/1989US4832631 Swimming aid
04/1989
04/11/1989CA1252341A1 Sailboard or surfboard and its method of making
03/1989
03/21/1989US4813367 Diver's sled
02/1989
02/21/1989US4806302 Method of manufacturing sailboards and surfboards
11/1988
11/01/1988US4781637 Swimming apparatus
06/1988
06/28/1988US4753187 Individual submarine diving equipment
03/1988
03/24/1988WO1988001966A1 Man-powered propulsion device
03/03/1988DE3628637A1 Sports apparatus for swimmers
02/1988
02/23/1988US4726550 Comprehensive airplane safety system
01/1988
01/27/1988EP0152440B1 Sail boards and surf boards as well as manufacturing process thereof
12/1987
12/15/1987US4713032 Sailboards and surfboards as well as manufacturing process thereof
11/1987
11/19/1987DE3616277A1 Floating apparatus with oars for forward propulsion
10/1987
10/20/1987US4700654 Propulsion device for swimmers and divers
01/1987
01/08/1987DE3523758A1 Powered float for water sports
07/1986
07/29/1986US4602589 Snorkling board and accessory propulsion unit therefor
06/1986
06/24/1986US4596117 Hydrojet
01/1986
01/03/1986WO1986000056A1 Individual submarine diving equipment
12/1985
12/11/1985EP0163793A1 Individual scuba-diving apparatus
08/1985
08/28/1985EP0152440A1 Sail boards and surf boards as well as manufacturing process thereof.
02/1985
02/28/1985WO1985000755A1 Sail boards and surf boards as well as manufacturing process thereof
09/1984
09/18/1984US4472147 Fin-pole swim apparatus
08/1984
08/28/1984US4467742 For underwater breathing apparatus
03/1984
03/20/1984US4437840 Swimming wheel apparatus
03/06/1984US4435165 Flotation device for supporting a person in water
12/1982
12/28/1982CA1138265A1 Flotation device for supporting a person in water
09/1982
09/14/1982US4348976 Diver tow compressor unit
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