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Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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Class 441/64 - Flipper


Subclass of Class 441 - Buoys, rafts, and aquatic devices
Definition: Device including a flexible water-contacting surface resembling
No. of patents: 244
Last issue date: 08/16/2011


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NumberTitleIssue Date
7997948Hybrid water sport apparatus
An apparatus includes an upper portion, a sole and a fin. The upper portion is configured to at least partially cover a foot. The sole is coupled to the upper portion and defines a cavity. The fin has a first portion and a second portion. The fin is movable between ...
08/16/2011
7988510Flipper
A flipper for swimming or underwater activities or muscular training, includes a blade and a shoe, the ends of which facing one another are dynamically and kinematically separate. The blade has extensions projecting backwardly and fixed to the shoe in areas substant...
08/02/2011
7901260Swimming 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 integral with the shoe. A buckle arm is joined with the strap so as to allo...
03/08/2011
7862395Methods 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 the hydrofoil (164) to experience significantly large-scale...
01/04/2011
7854638Swim fin device
Disclosed herein are apparatus and methods for enhancing swimming and facilitating walking on land. In some embodiments, the apparatus includes a foot thong having a body and a toe tether. The apparatus can include a swim fin device having a sole portion, toe portio...
12/21/2010
7815477Swimming flipper
Swimming flipper comprising a shoe part from which two ribs extend laterally, and a fin part, characterised in that said fin part is connected at one end to said shoe part, while its other end is constrained to said ribs in the vicinity of their ends, the sides of s...
10/19/2010
7803028Multi-use adjustable bellows-shaped aperture strap
A strap with tapered-apertures for open-heeled swim fins is stretched from a first end connection to a conventional boss-button and boss-post structure, whereby the strap will apply a desired level of force as a holding-pressure against the heel of a swimmer. The st...
09/28/2010
7753749Swim fin
A swim fin includes a foot pocket and a blade portion. The blade portion includes a top surface and a bottom surface. An opening is disposed through the blade portion to permit an enhanced directional fluid flow between the top and the bottom surface. A top bevel is...
07/13/2010
7736208Amphibious shoe and method of use
An amphibious shoe has a sole with a fin compartment therein. The fin compartment provides retractable housing for a lightweight fin for conversion from a walking to swimming shoe. In one embodiment the amphibious shoe includes a fin comprising a plurality of ridges...
06/15/2010
7658659Hybrid water sport footwear
An apparatus includes an upper portion, a sole and a fin. The upper portion is configured to at least partially cover a foot. The sole is coupled to the upper portion and defines a cavity. The fin has a first portion and a second portion. The fin is movable between ...
02/09/2010
7601041High 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 scooped blade portion (254) from collapsing or buckling un...
10/13/2009
7581997Method 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 the hydrofoil (164) to experience significantly large-scale...
09/01/2009
7572160Mimetic 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 interaction of man with aquatic life with minimal disturbance to the aquat...
08/11/2009
7537501Swimming 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 integral with the shoe. A buckle arm is joined with connected to the strap ...
05/26/2009
7527540Relief 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 a method providing thrust from an unusually low drag kick by a swimme...
05/05/2009
7510453Swimming 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 combined together to form a bi-swim fin in which both swim fins are ...
03/31/2009
7470164Swim 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 plane with the shoe portion for propulsion in water. ...
12/30/2008
7465205Methods 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 the hydrofoil (164) to experience significantly large-scale...
12/16/2008
7462085Swim 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 plane with the shoe portion for propulsion in water. ...
12/09/2008
7370392Locking device
A locking device has a band provided with a locking element on its one end, a housing, a rocker turnably movable relative to the housing and having an edge which in a closed position of the device applies pressure to the band and stops the band from movement, the lo...
05/13/2008
7335076Swim 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. Additionally, the fin has a dorsal section and a plantar section and defin...
02/26/2008
7304810Viewing device and packaging for a viewing device
A viewing device includes a housing defining an interior chamber through which light can pass. The housing includes first and second spaced apart openings communicating with the interior chamber such that light entering the first opening is viewed by a user looking ...
12/04/2007
7281963Energy-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 are structured such that support is provided when force is inwardly ap...
10/16/2007
7255619Variable 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 or running gait cycle in the aquatic environment, reducing the stres...
08/14/2007
7238075Personal water activity apparatus with variable light display for protection against sharks and other water-borne predators
Apparatus for protecting users of surfboards, kayaks and other personal water activity apparatus against sharks and other water-borne predators is provided. A plurality of lights is provided on the bottom and side surfaces of the personal water activity apparatus. T...
07/03/2007
7223141Stretchable 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 interconnected the vamp and the outside counter. The connection members are adapt...
05/29/2007
7189128Mimetic 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 interaction of man with aquatic life with minimal disturbance to the aquat...
03/13/2007
7172480Bungee 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 system portion that has a new combination of materials such as a sol...
02/06/2007
7166004Swimming 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) and at least two ribs (14), each of ...
01/23/2007
7162778Mask strap adjuster
A mask strap adjuster attaches a strap with right triangular ribs to a mask, allows the strap to be tightened by pulling the strap and comprises a base, a cover and a connector. The base has two corresponding moveable caps. Each cap has two nubs. The cover is mounte...
01/16/2007
7163519Foot orthosis with detachable and adjustable toe plate
A foot orthosis includes a generally “L”-shaped splint having a generally upright leg-engaging section and a forwardly-extending foot support section with at least a portion of the splint being substantially transparent. A generally flexible foot receiving and r...
01/16/2007
7159336Amphibious 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 (27A, 27B) movably connecting the shoe portion (40) of t...
01/09/2007
7140938Swim 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 member has a rear mounting portion positioned at an upper forward sur...
11/28/2006
7140937Swim 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 members. The first and said second latching members together form one ...
11/28/2006
7134927Heel 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, and an inter-connected generally perpendicularly inclined fin memb...
11/14/2006
7134926Device 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 startle response in the predatory animal thereby dissuading an attack...
11/14/2006
7115011Swim 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 thereof for a substantial length. The fin blade has an imaginary cen...
10/03/2006
7101240High 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 hydrofoil at a significantly reduced angle of attack in which the red...
09/05/2006
7086916Differentiated 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 of the blade. On the blade there are provided at least...
08/08/2006
7083485Multiple-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 the swimmer without additional effort from the swimmer. The planar b...
08/01/2006
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