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| Number | Title | Issue Date |
| 8100733 | Paddle blade that allows use of a handle and/or paddle for any way paddling The invention is the addition to traditional shafts used for stand-up paddling that normally have a standard paddle at one end of the shaft and a handle at the other end of the shaft. The invention incorporates a second paddle attached to the shaft at the location o... | 01/24/2012 |
| 8057271 | Paddle blade and shaft I-beam joint A paddle including a shaft having a distal end, the distal end ending in a protrusion; and a paddle blade having a proximal end joined to the distal end of the shaft, the proximal end having an inner surface and at least one internal longitudinal slot disposed adjac... | 11/15/2011 |
| 7918697 | Watercraft and method for the operation of a watercraft A watercraft (1) includes at least two oar handles (3a, 3b) which are designated to be actuated by a passenger of the watercraft in order to propel the same. A considerably expanded functionality is achieved in such a way that the ... | 04/05/2011 |
| 7850497 | Method and system for providing and using a power paddle A paddle and a method for using the paddle are described. The method and system include providing a first resistance surface and at least a second resistance surface. The first resistance surface includes at least one aperture therein. The second resistance surface(... | 12/14/2010 |
| 7488228 | Kayak paddle A kayak paddle for increasing paddle stroke efficiency and for improving comfort in paddle handling has a pronounced bent blade to length design of the paddle blade, as compared with prior paddle blades. The paddle has two blades, one blade secured at its top end to... | 02/10/2009 |
| 7399213 | Rowing or sculling oar handle A rowing or sculling oar handle in which when the handle is orientated for a stroke it has an axial cross-sectional shape with a greater horizontal extent than vertical extent, and in which an underside of the axial cross-sectional shape is provided with an abutment... | 07/15/2008 |
| 7396266 | Drip barrier for watercraft paddle and associated methods A watercraft paddle may include a shaft having first and second ends and at least one grip position therebetween for a user's hand. The paddle may further include a blade carried by the first end of the shaft, and at least one drip barrier positioned between the at ... | 07/08/2008 |
| 7367858 | Paddle shaft coupler A coupling apparatus for adjusting and axially coupling first and second shafts about a feathering axis, comprising a collar having an end face having a plurality of axial notches, an insert having an extended portion and at least one radial pin and a cam ring circu... | 05/06/2008 |
| 7361070 | Aquatic propulsion device for swimmers An aquatic propulsion device for holding a hand or foot in a desired position, the device comprising a curvilinear support surface and a linking element arranged across the hand or foot joint at a desired angle to secure the joint in the desired position. ... | 04/22/2008 |
| 7361071 | On-site-inflatable water skis with at least one cooperating on-site-inflatable paddle On-site-inflatable water skis with at least one cooperating on-site-inflatable paddle for use by a user in water. The combination includes water skis and at least one paddle. The water skis are on-site inflatable to facilitate transport and reduce required storage s... | 04/22/2008 |
| 7311573 | Water craft paddle device for one-arm use A water craft or canoe paddle device is provided for one-arm use. The paddle device enables a user to produce power strokes similar to strokes that are achieved with a traditional canoe paddle used by an individual using two unimpaired arms and two unimpaired hands.... | 12/25/2007 |
| 7309364 | Paddle blade end with sidewalls form eccentric shaft A foldable paddle blade and shaft comprises a planar elongate polymer plastic substrate with two angularly directioned weakened hinge lines (71) which extend inwardly and angularly from a location at or near one elongate end of the substrate's lateral edges t... | 12/18/2007 |
| 7303452 | Kayak paddle with safety light A kayak paddle safety lighting system incorporated into a kayak paddle that may serve as a set of illumination or running lights more effective than current deck mounted running lights. The lighting system includes an operational switch located in the handle of the ... | 12/04/2007 |
| 7293936 | Precision aligning fastener Precision aligning fastener for releasably joining two halves of a manufactured article. The precision aligning fastener has a male body that threads into a female body. The threads on the male and female threads, bodies are provided in an interrupted-thread pattern... | 11/13/2007 |
| 7232352 | Paddle hand grips and method for making and using same A comfort hand grip for a shaft comprises a tubular member formed of a closed cell resilient polymer material core; and a water resistant coating on each side of the core. The comfort grip is sized so as to be slightly stretched when positioned on a shaft, and inclu... | 06/19/2007 |
| 7198529 | Recreational watercraft with hydrofoil A recreational watercraft device consisting of a light hull in the shape of a sail board hull and on the bottom a strut hydrofoil assembly. The hydrofoil has a bilateral symmetric plan-form with a pivot connection at the center of the hydrofoil span. The pivot conne... | 04/03/2007 |
| 7178947 | Lighting device with elliptical fresnel mirror A lighting device has a Fresnel mirror with a reflective surface for reflecting light emitted by a light source onto a target. The reflective surface is defined by an elliptical curve. The light source is disposed at approximately the first focal point of an ellipse... | 02/20/2007 |
| 7144284 | Rowing oar system An oar consisting of two parallel shafts linked on both ends to form a parallelogram configuration, which keeps the oar's blade and handle parallel to one another and perpendicular to the boat throughout the rowing cycle. The system is further enhanced to provide an... | 12/05/2006 |
| 7111569 | Individual propelled water craft An individual propelled catamaran watercraft with sloping sides and sloping channel adapted for supporting an individual without flipping and having a draft of no more than 3 inches. ... | 09/26/2006 |
| 7070470 | Bow-facing rowing system A rowing device with articulating oars FIG. 4 that are connected to outriggers FIG. 1 at the point of articulation. While the rower sits on a fixed seat 6, said outriggers 4 are foot operated 2 and function in the opposite directio... | 07/04/2006 |
| 7060347 | Bending element with behavior dependent on the direction of rotation An anisotropic bending element which contains at least the following layers: I. a reinforcing layer I, which contains a fibrous reinforcing component I with a tensile modulus of elasticity of from 1,800 to 20,000 N/mm2, ... | 06/13/2006 |
| 7041017 | Swing master A training aid for teaching batters how to swing properly. The aid resembles a baseball bat which has a front portion which has been flattened, and an angled device has been attached to the handle. The angled portion has a flat portion which is not quite parallel wi... | 05/09/2006 |
| 7037151 | Oar Disclosed is an oar, which has a supplementary blade pivotally connected to one end of the blade adjacent to the shaft thereof to increase the area of the water expelling surface, enhancing the rowing efficiency. ... | 05/02/2006 |
| 6991501 | Paddle and method of manufacture thereof A paddle for a kayak, a canoe or other small boat has a shaft with a handle portion which extends from one end of a blade and a tongue portion formed by cutting away a section of the sidewall of the shaft to provide a chamber which extends along a surface of the bla... | 01/31/2006 |
| 6980118 | Method and apparatus for measuring stroke rating in rowing The present invention detects the squaring and feathering of an oar during rowing. The time interval between two consecutive feathers is measured, and it is used to calculate the stroke rating. It is mounted to an oar close to the grip of the oar. An enclosure house... | 12/27/2005 |
| 6964589 | Sculling boat assembly A sculling boat assembly is provided to control the traveling direction and drive a boat, and the sculling boat assembly installs a transmission mechanism on two hulls, connects an end of each transmission mechanism to a handle extended from the two hulls, connects ... | 11/15/2005 |
| 6932018 | Manual hydrofoil and spar truss assembly for wind powered watercraft A simple, lightweight, manually-controlled device for stabilizing and increasing the performance of small, sail-assisted watercraft, containing a single moving part and comprising a curved spar or iako (1) joining a main hull and a single outrigger hull or am... | 08/23/2005 |
| 6890226 | Rowing surf board A rowing surf board includes a board having two through holes defined through the board and tow oars are respectively pivotably engaged with the through holes. Each oar has a blade portion which is pivotably connected to a distal end beneath the board such that the ... | 05/10/2005 |
| 6881111 | Shaft coupler with positive angular and axial locking features for coupling paddle sections together and angularly positioning the sections relative to each other The present invention provides a coupler for rotationally and/or axially securing two shafts together while permitting rapid angular adjustment between the shafts. The coupler includes a first component mountable to a first section of the paddle and a second compone... | 04/19/2005 |
| 6857922 | Front facing rowing apparatus A rowing apparatus is provided for connection to a vessel and includes an oar direction-of-motion reversal assembly, fulcrum stabilizing means connected to the oar direction-of-motion reversal assembly, and vessel-to-oar-apparatus connection means connected to the f... | 02/22/2005 |
| 6796862 | Forked rib kayak paddle A kayak paddle having at least one paddle blade is made by laying a first resin impregnated fiber preforms in a lower half of a split mold. The split mold has a bifurcated channel for producing a bifurcated rib in a back face of the paddle blade. One end of a paddle... | 09/28/2004 |
| 6793547 | Kayak paddle with safety mirror A kayak paddle includes a safety mirror that is mounted on a central portion of the shaft relative to the paddle blades, whereby the user may manually position the paddle to view the area behind the user without repositioning the kayak. The safety mirror includes a ... | 09/21/2004 |
| 6755706 | Structure of fin shaped soft paddle The structure of a fin shaped soft paddle comprised mainly of: a loom being a hard stick for exerting force; a fulcrum provided on one end of the loom for pivotally connecting to a fixed oarlock socket of the boat; and a fin shaped soft paddle blade made of elastic ... | 06/29/2004 |
| 6709306 | Aquatic propulsion device An aquatic propulsion device includes an elongate member, a forearm support secured to the elongate member, a grip secured to the elongate member, and a paddle secured to the grip. The grip is positioned such that a person may place their forearm in the forearm supp... | 03/23/2004 |
| 6626716 | Fixing structure of paddle A fixing structure of a paddle has an outer tube, an inner tube and a tightening means. The tightening means is formed by a positioning ring and an engaging portion. One end portion of the positioning ring is protruded with an eccentric buckle, and one en... | 09/30/2003 |
| 6568971 | Kayak paddle The invention includes processes and products made by the processes. The processes include making a two-part mold having semi-cylindrical openings for the paddle shaft so that the paddle blade may be molded and co-cured directly on the paddle shaft. The m... | 05/27/2003 |
| 6544087 | Adjustable fixing structure of paddle for adjusting length of paddle An adjustable fixing structure of a paddle for adjusting a length of the paddle has an outer tube, an inner tube and a tightening device. The tightening device is formed by a positioning ring at the outer tube and an engaging portion at the inner tube. Th... | 04/08/2003 |
| 6537117 | Ergonomic paddle grip The present invention relates to an ergonomic kayak paddle. The paddle has a shaft with a longitudinal axis and with a first end and second end. The shaft is adjustable between a first length and a second length. At least one grip is on the shaft at a poi... | 03/25/2003 |
| 6514109 | Kayak paddle arrangement A paddle arrangement for use in a canoe or kayak, having an elongated curvilinear central handle portion having a first end and a second end. An elongated blade is arranged on the first and on the second end of the curvilinear central handle to define the... | 02/04/2003 |
| 6482058 | Personal flotation device apparatus with hand-held tool An end portion of an elongate personal flotation device includes a hand-held tool. In one embodiment, a hand-held tool head assembly has a mounting cup with a cylindrical wall and a flat cup base. The cup is fitted over an end portion of a flexible, cylin... | 11/19/2002 |
