Matches 1 - 50 out of 226 1 2 3 4 5 >
Match Document Document Title
7614928 Swim shoe with lateral fins  
A swim shoe comprising a foot-covering portion and a pair of lateral fins located on opposing sides of the foot-covering portion, where said lateral fins do not extend beyond the front of the...
7601041 High deflection hydrofoils and swim fins  
Designs and methods are disclosed for permitting scooped shape swim fin blades ( 184 ) to flex around a transverse axis to a significantly reduced angle of attack while reducing or preventing the...
7581997 Method for creating consistent large scale blade deflections  
Methods are disclosed to design resilient hydrofoils ( 164 ) which are capable of having substantially similar large scale blade deflections under significantly varying loads. The methods permit...
7572160 Mimetic gear  
Methods and compositions which can reduce the disturbance to wild life caused when man attempts to interact with wild life and more particularly methods and compositions which can enhance the...
7537501 Swimming fin with heel strap fastening buckle  
A swimming fin comprising a blade extending from a shoe open at its rear side, and a rear heel strap connected to the sides of the shoe by at least one buckle, the buckle having a base plate...
7527540 Relief jet aperture swim fins with living-hinge blade  
A fin with a hydrodynamic flex control framework allows the axis of bending to be in close proximity to the ball of the user's foot making kicking easier as well as more productively efficient and...
7510453 Swimming aid device  
A swimming aid device comprising of a convertible bi/mono swim fin containing a first fin, a second fin and coupling means. The present invention can be used as traditional independent swim fins or...
7470164 Swim fin with adjustable web  
A swim fin having a web portion pivotably attached to a shoe portion that Is rotatable to a first position substantially perpendicular to the shoe portion for walking and a second position in a...
7465205 Methods for creating consistent large scale blade deflections  
Methods are disclosed to design resilient hydrofoils ( 164 ) which are capable of having substantially similar large scale blade deflections under significantly varying loads. The methods permit...
7335076 Swim training fin  
Disclosed herein is a training fin for assisting a wide variety of swimmers to gain a superior cardiovascular workout with minimal risk of injury. The fin has a proximal end and a distal end....
7281963 Energy-conserving swim fin  
An energy-conserving swim fin, in which a blade extends from a front portion of a foot pocket of a swim fin, and at least one spring is fitted at an appropriate position on the blade. The springs...
7255619 Variable resistance aquatic device and methods of using the same  
An aquatic device is usable in an aquatic environment for a variety of purposes, such as physical therapy, rehabilitation, and/or exercise. The aquatic device permits a person to simulate a walking...
7223141 Stretchable foot pocket of fin  
An integral pocket of fin having a forward blade is disclosed. In one embodiment, the foot pocket includes a vamp, an outside counter, and a plurality of stretchable connection members...
7172480 Bungee flipper  
A new swim flipper with a unique blade design is provided. The new swim flipper has a unique joint system portion positioned on the blade of the swim flipper. The new swim flipper will have a joint...
7166004 Swimming aid  
A swimming aid ( 10 ) including a body portion ( 11 ), upon which is situated a locating means ( 12 ) for the foot of the wearer. The swimming aid ( 10 ) also includes a lobular flexible web ( 13 )...
7159336 Amphibious shoe  
An improved amphibious shoe ( 10 ) with a swim fin structure which extends for swimming and folds for walking. The amphibious shoe has, in one embodiment, an elastic connection member ( 27 A, 27...
7140938 Swim assist system and method  
A swim assist apparatus which comprises a fin member which is connected to a sandal by having forward connecting strap portions of the sandal engaging retaining recesses in the fin member. The fin...
7140937 Swim fin with detachable blade  
A swim fin comprising a foot engaging portion and a blade portion. The blade portion includes one or more first latching members and the foot engaging portion includes one or more second latching...
7134927 Heel mounted direction reversible stealth fin  
A heel mounted reversible fin assembly for propelling kick boats and float tubes in water. The assembly includes a base mounting mechanism ( 1 ) which secures the assembly on a user's boot heel,...
7134926 Device and method for dissuading predators through startle response instinct  
An apparatus and method for dissuading predatory animals from attacking. The device and method employ depictions of an eye, especially the eye of a predator of the predatory animals, to initiate a...
7115011 Swim fin  
An improved swim fin comprises a foot-packet formation formed with a foot-receiving cavity, and a fin blade attached and extending longitudinally beyond the foot-packet formation to a trailing edge...
7101240 High efficiency hydrofoil and swim fin designs  
Methods are disclosed for increasing lift and decreasing drag on hydrofoils and swim fins. The methods include providing a hydrofoil with a highly swept back leading edge portion and orienting the...
7086916 Differentiated rigidity swimming fin with hydrodynamically designed rearward shoe strap connection  
A swimming flipper comprising a blade ( 1 ) made of relatively rigid material, a shoe ( 2 ) made of relatively yielding material and at least a pair of lateral ribs ( 3 ) extending along the edges...
7083485 Multiple-serial-hydrofoil swim fins  
MULTIPLE-SERIAL-HYDROFOIL swim fins use aerodynamic shapes to help with propulsion through the water. By producing “lift” as an additional power source for swimming, they provide more power for...
7077715 Swim fins and method of manufacture thereof  
A swim fin formed from laminated rubberized layers. The fin has a fin body with a foot pocket, which includes an opening to receive the foot of a wearer. A fin body includes a distal trailing...
7048601 Swimming flipper with blade and footwear structure  
A swimming flipper comprising a blade and a footwear structure disengagingly coupled with the blade, the footwear structure including a sole and a pair of flaps attached to the sole. The flaps are...
7033533 Method of manufacturing a moulded article and a product of the method  
A method of manufacturing a molded product comprising the steps of: providing a mold conforming to the shape of the product the mold serving to define one or more molding surfaces which are to be...
7018256 Methods for creating large scale focused blade deflections  
Methods are disclosed to design resilient hydrofoils ( 164 ) which are capable of having substantially similar large scale blade deflections under significantly varying loads. The methods permit...
6955575 Flipper  
A flipper includes a skeleton structure having a rear base portion, two longitudinally extended side rails, and a plurality of spaced supporting strips extended in a longitudinal direction; and a...
6926569 Fin with a blade having adjustable closed area  
A fin includes a blade, which is lengthwise split into a plurality of sub-blades, so that the sub-blades are separated from one another from an outer end of the blade to a near central point of the...
6923697 Universal open-heel dive fin replacement heel strap  
A dive fin replacement heel strap for use on open-foot pocket dive fins having a mounting device on each side of the fin to secure the fins onto a user's foot. The strap is made of an elongate...
6893307 Ergonomic swim fin apparatus  
The ergonomic swim fin apparatus comprises a foot-pocket sized to fit about a user's foot, channeling scoops are positioned on opposite sides of the footpocket, and a flexible blade extends from...
6884136 Dual adjustable strap designs for swim fins  
An improved adjustable heel strap having an adjustable instep strap connected to the heel strap adjacent the heel portion of a swimmer' foot. Methods are provided for providing a highly adjustable...
6884135 Diving fins  
An improved diving fin includes a first web surface and a second web surface. The first web surface extends between a pair of first longitudinal flukes, and the second web surface extends between a...
6884134 High deflection hydrofoils and swim fins  
Designs and methods are disclosed for permitting permit scooped shaped swim fin blades ( 184 ) to flex around a transverse axis to a significantly reduced angle of attack while reducing or...
6866615 Apparatus and method for developing a proper swimming whip kick and training the competitive breaststroker  
Apparatus and method are provided for teaching and/or improving upon the mechanics of the whip kick that may be used while performing the breaststroke and training the competitive breaststroker....
6764362 Monofin swimming apparatus  
A swimming apparatus for improved propulsion includes fluked foot flippers constructed to include a stiff load-bearing frame member in the leading edge of the fluke. As the flipper is pumped by the...
6758708 Swim fin with energy storage and release system for improved angle of attack and water flow characteristics  
A swim fin and a method providing thrust from a kick by a swimmer are disclosed. The swim fin includes a swim fin for use by a swimmer comprising a foot pocket adapted to receive a foot of the...
6749472 Swimming fin  
A swimming fin includes a foot pack and a blade. The foot pack has a space therein for being inserted with a sole of a wearer. The blade extends from the foot pack with a flat shape. It is...
6719599 High efficiency hydrofoil and swim fin designs  
Methods are disclosed for increasing lift and decreasing turbulence and drag on hydrofoils and swim fins. Fins are disclosed having at least one pivoting blade region connected to the swim fin with...
6702633 Universal float tube and pontoon boat propulsion fin  
A universal foot fin is disclosed for use with float tubes and pontoon boats which can be selectively adapted to propel either forward or backward in the water, while simultaneously allowing the...
6672920 Scuba diving fin  
The present invention relates to a scuba diving fin. The scuba diving fin utilizes adjustment mechanisms for the fin blade to be rotatably adjusted and locked in a first position that is in the...
6663452 Aquatic fins  
An aquatic fin for propulsion of a watercraft including a foot securing section and a blade section. The blade section having a top surface forming a concavity and a bottom surface forming a...
6620009 Method of making selective multiple contour high efficiency swim fins  
A method of modifying operational characteristics of a swim fin makes existing fins adaptable to different users and/or operational needs. An existing swim fin having a blade portion extending from...
6620008 Swim fin  
A swim fin ( 10 ) having a foot-pocket formation ( 12 ) and a fin blade ( 14 ). The foot-pocket formation ( 12 ) defines a foot-receiving cavity in which a foot can be received. The fin blade ( 14...
6602102 Buoyant silicone rubber compound  
A buoyant silicone rubber compound—and process for preparing same—is disclosed wherein hollow micro spheres are incorporated into the formulation in order to decrease the specific gravity of...
6568975 Staged expandable swim fin  
An enhanced swim fin is provided comprising a flipper blade having an increased effective surface area during movement in a first direction, and a decreased effective surface area during movement...
6568974 Swim and scuba fin  
The invention relates to a swim fin, comprising a seat for the foot, the so-called footpocket ( 1 ) and a propelling blade ( 102, 202 ), the fin being composed of at least two materials, whereof...
6568973 Swim or dive fin  
A swim fin comprises a footpocket ( 1 ) and a propelling blade ( 2 ), which has a central longitudinal member ( 3 ) for supporting and stiffening the blade ( 2 ). The blade ( 2 ) has at least one...
6568972 Swim fins  
Swim fins includes an instep of a foot pocket which is provided with a plurality of ribs extending forward from the vicinity of an opening for foot insertion and grooves each defined between each...
Matches 1 - 50 out of 226 1 2 3 4 5 >