Matches 1 - 50 out of 107 1 2 3 >


Match Document Document Title
US20150191227 SKEG SYSTEM FOR STAND-UP PADDLEBOARDS AND OTHER WATER CRAFT  
A system for effectively assisting tracking and steering of stand-up paddleboard and other water craft. Particularly, the present application provides a skeg system that allows a user of a...
US20110053442 Water board  
The water board includes a substantially planar board forming a pair of bat shaped wings adapted to be towed by a water vehicle. A pair of upstanding handles is disposed on the top surface of the...
US20090142975 Environmentally Friendly Hollow Wooden Surfboard  
A surfboard, the construction of which makes a minimal impact on the environment, the components are readily available, and which, if disposed of, biodegrades. The surfboard delivers performance...
US20070259579 Surfboard fin system  
The present invention relates to a surfboard fin system which includes a generally horizontal hydrofoil intersecting or connecting with one or more vertical fins. The generally horizontal...
US20090258553 Thick, elliptical-planform fin for a water sports board  
A thick, elliptical-planform fin for use on a water sport board such as a surfboard. One set of attributes of the fins according to the present invention is the use of a substantially thick...
US20150017850 Universal Hydrofoil Connector System and Method of Attachment  
A universal hydrofoil comprises a hydrofoil assembly, a universal mount assembly and a plurality of lateral connectors. The hydrofoil assembly has a longitudinal axis and includes a centerfoil...
US20090029610 Surfboard horizontal fin  
1. The Horizontal Fin is a marine vessel mechanism. It manufactures propulsion without the use of an engine, moving parts, or fuel. This assistance reduces human paddling labor. 2. The Horizontal...
US20090253319 Floating hydrodynamic fin system  
Floating hydrodynamic fin system, useful for surfboard and windsurf, modifying its fin lift trim by a calibrate and controlled spring and an asymmetric shape of the fin-base that leaves a gap...
US20050064775 Surfboard fin box with detachable, leashed fin  
A new design for a self-releasing surfboard fin and box is presented. The fin is held in the fin box by an attachment means that permits the fin to release easily when struck. The fin is retained...
US20080311806 LOW-DRAG FIN AND FOIL SYSTEM FOR SURFBOARDS  
The present invention is a Low-Drag Fin and Foil System for Surfboards (10), particularly including cambered fin foils (40; 42). The invention (10) also discloses low-drag, directionally unstable...
US20100151754 Water recreation device  
A water recreation device and method of use is contemplated having advantages such as improved stability, maneuverability and ease of use. Embodiments of the contemplated water recreation device...
US20080287018 Stealth tail quad surfboard  
A tail section for a surfboard includes a substantially v-shaped notch or cutout intersecting substantially trailing edges formed between two points. Each of the substantially straight trailing...
US20140227922 SKI BENDER  
A ski bender is configured to cause additional deflection on a rear portion of a ski. The ski bender uses a rigid or semi-rigid member affixed to the rear portion of the ski. The member is...
US20070202760 Multi-function surfboard fin and fin box attachment device  
A surfboard having a hull, a multi-function fin and multi-function fin receiving box system. This invention incorporates the use of a variety of fins, fin bases including multi-tab, rectangular...
US20100087111 Surfboard fins and surfboard using same  
A fin for a surfboard or other waterboard with an angled winglet on the tip of the fin. The fin may be angled from the bottom of the board. A pair of fins with mirror image shapes on a surfboard...
US20140227921 UNDERWATER VIEWING DEVICE  
The present invention provides for a novel floatation device useful for use by a snorkeler.
US20090081910 Surf skiing  
The present invention relates to a method and apparatus for surf skiing. The apparatus includes a pair of surf skis for attaching to each foot of a surf skier and using the force and momentum of a...
US20060178062 Multifunctional hydrofoil surfboard  
The invention relates to water sports and methods for manufacturing the devices and has applicability to surfboard like devices having two or more turning, lifting and planning hydrofoils that...
US20050287888 Surfboard fin assembly  
A fin assembly (14) for a surfboard assembly (10) includes a fin base (220), a fin blade (222) and an adhesive (224). The fin base (220) has a base attachment surface (226A). The fin blade (222)...
US20080268730 Fin Unit with Elastic Attachment System on an Underside of a Marine Apparatus  
The invention relates to a fin unit (2) with elastic attachment system on an underside (1) of a marine apparatus, such as a wind surf, kite surf, fly surf, wakeboard, knee board and particularly a...
US20070010146 Integrated flow systems  
A device for improving speed, control, and performance of water sports craft achieved by capturing lateral water flow and redirecting water flow longitudinally thereby increasing speed and...
US20080261470 Fin or Keel with Flexible Portion for Surfboards, Sailboards of the Like  
Keel or fin (1) for a watercraft such as a surfboard is conventional in shape but comprises major portion (2) fixed to the board by peg (10) and minor, flexible, trailing portion (3) fixed to...
US20080207070 Hydrodynamic Fin  
A hydrodynamic fin, such as a keel or a rudder of a watercraft, in particular a sailing craft or surfboard, which fin comprises at least two fin sections (20,21), which are each connectable to the...
US20050272326 Fin mounting system  
A system for removably mounting fins to a water craft or surfboard comprising drilling one or more cavities completely through the water craft or surfboard, inserting a sleeve in each cavity,...
US20080311807 MODULAR FIN FOR A SURFBOARD, SAILBOARD OR OTHER WATER-BORNE DEVICE  
A fin in one embodiment includes a fin box assembly including a fin box adapted for coupling to a body portion of a water-borne device, and a fin assembly having a base member that is releasably...
US20150151816 WATERBOARD STRUT SYSTEM  
A waterboard strut is provided. The waterboard may include a body, a nose, a tail, a deck surface a bottom surface, and at least one fin attached to and protruding from the bottom surface of the...
US20100068956 ACCESSORY DEVICE FOR ENLARGING THE AREA OF THE FIN OF A SURFBOARD OR SIMILAR WATER CRAFT  
A device that can be attached to a fin of a suf board or similar water craft. The device contains an opening (13) for receiving the fin (3). The device is made of elastic material and the area of...
US20120208415 INTEGRAL FOILS FOR SURF CRAFT FINS  
An integral foil for a surf craft fin comprising: a base portion extending in generally planar fashion between a base edge and a transitional edge spaced from the base edge; a foil portion...
US20080220672 RELEASABLE SPRING-LOCKING MECHANISM FOR RAPID WATERCRAFT FIN ATTACHMENT  
The present invention provides fin attachment devices and methods based upon the concept of vertical, instead of horizontal, locking forces for fin attachment to watercraft. In some embodiments...
US20110053443 System for Fin Placement on Surfboards  
Apparatuses and methods are provided for achieving a surfboard design that allows the user to execute turning maneuvers and maintain control while keeping the user's foot in the tail region of the...
US20080305698 TOWED PERSONAL WATERCRAFT  
A towed personal watercraft apparatus includes a submergible unit and a platform. The submergible unit comprises at least two independent vertical stabilizers and one or more hydrofoil units...
US20150210371 AQUATIC APPARATUS FOR WAVE PROPULSION  
It is an object of the subject matter to disclose an aquatic apparatus comprising, a fin connected to a bottom of the an aquatic device; a flap connected to the fin, wherein the flap is connected...
US20100136861 TUBE RAIL WATERBOARD  
A waterboard includes channels of continuously variable depth and angle.
US20130102212 AXIALLY STABILIZING APPARATUS  
An axially stabilizing apparatus, adapted for stabilizing a water sport board along an axis of rotation is disclosed. The axially stabilizing apparatus generally comprises a port side stabilizing...
US20120071048 PIVOTAL SURFBOARD FIN ASSEMBLY  
A pivotal surfboard fin assembly for use on a surfboard, the assembly comprising: an insert bracket having a board face mountable to the bottom surface of the surfboard and a bracket face with a...
US20100311294 PIVOTAL SURFBOARD FIN ASSEMBLY  
A pivotal surfboard fin assembly for use on a surfboard, the assembly comprising: an insert bracket having a board face mountable to the bottom surface of the surfboard and a bracket face with a...
US20080045098 Watercrafts  
A watercraft configured to be towed on a body of water by a motorized water vehicle and configured to support a user when the watercraft is being towed on the body of water is disclosed. In some...
US20100120305 AUTO-FASTENING REMOVABLE FIN SYSTEM  
The auto-fastening skeg system comprises a skeg receiver and a skeg. The skeg has a male component that cooperates with a cavity of the skeg receiver. The cavity has front and rear ends, a spring...
US20150225044 SURF FIN INCLUDING INJECTION MOLDED PRE-IMPREGNATED COMPOSITE FIBER MATRIX INSERTS  
A fin for a water sports board including leading and trailing edges, and a base extending therebetween along a longitudinal base axis. A fin axis extends generally perpendicular to the...
US20140134902 BODY SURFING SUIT  
Apparatus and methods for body surfing which provide the body surfer a means to stabilize his ride and control his direction/position on a wave are described herein. According to one aspect, a...
US20150225040 HYDROFOIL  
A hydrofoil, suitable for kite surfing and jet skiing, comprises a keel fin having a first end portion for fastening to a board; and a front wing and a rear wing which are arranged one behind the...
US20150104988 Watercraft Fin  
In one aspect, the present invention provides a watercraft fin including a first side surface and a second side surface wherein at least one of the first side surface or the second side surface...
US20130012084 Adjustable Fin System  
An adjustable fin system comprising: a plug assembly, the plug assembly comprising: a plug housing, the plug housing comprising: a closed end; open end; a plug first set-screw hole; a plug second...
US20100279563 Magnetic Fin Attachment System  
Herein is disclosed a magnetic clamping system for attaching removable stabilizing fins or similar devices to any type of watercraft such as surfboards, wind-surfer craft, rowing sculls, water...
US20100273373 FIN RETENTION SYSTEM FOR A WATER CRAFT  
A fin box for a water craft including: a fin box body having an elongated slot open at a first surface of the fix box and extending to a closed base of the fin box; a peripheral flange extending...
US20100233921 FIN ATTACHMENT STRUCTURE  
To provide a fin attachment structure capable of facilitating the attachment/detachment of a fin and also of making the attachment of the fin robust, wherein if the fin comes into contact with...
US20100178820 FIN ATTACHMENT STRUCTURE AND FIN  
To provide a fin attachment structure capable of attaching a fin detachably and easily on a board without using any tools, and particularly, to a fin attachment structure capable of reducing the...
US20100159759 Shark fin  
A shark fin comprising a specially designed, glue-on modification to foam surfboards and foam body boards that encompasses an attachable, directional skeg or fin is provided.
US20100144223 Surfboard metal "V" fin aly V fin  
A surfboard metal fin arrangement; said fin arrangement including two metal fin elements extending from proximate an underside of said surfboard; said two metal fin elements arranged in an...
US20100136860 FIN ASSEMBLY  
A fin assembly including a fin having a base portion, the base portion having at least one extension portion extending from the base portion, at least one extension portion mounting at least one...

Matches 1 - 50 out of 107 1 2 3 >