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Match Document Document Title
9033753 Sail-equipped paddle for stand-up paddle boards  
A paddle for stand-up paddle boards includes a paddle blade at a lower end of the paddle shaft and a sail assembly slidingly stowed within the shaft, with the sail deployed by sliding the sail...
9028287 Watersport paddle  
The present invention relates to a watersport paddle blade comprising a throat configured to attach to a shaft, a power face attached to the throat, wherein the power face comprises a main channel...
8992277 Stand up paddle including a variety of attachments  
A stand up paddle surfboard (SUPS) and associated paddle is provided. The SUPS may have up to two containers affixed generally towards the bow. A first container is designed to retain refuse and a...
8974141 Paddle converter  
A paddle converter for securing two singled bladed canoe paddles to form a single twin bladed kayak paddle. The paddle converter includes a body configured to structurally support a first canoe...
8974261 Adjustable double bladed water paddle  
A water paddle comprising a first shaft having and a second shaft, a first cog collar located on an exterior surface of first shaft and having a first set of teeth extending radially from a mating...
8926384 Auxiliary oar blade assembly  
An auxiliary oar blade assembly is provided for attachment to a shaft of an existing oar opposite an existing blade to provide a two bladed oar. The assembly includes a blade and an elongated...
8894456 Compound rotating handle  
A paddle apparatus for standup paddling of surfboards or like water craft, having a plurality of hand grip portions rotatably mounted relative to the paddle shaft, and a means of paddling whereby...
8801483 Adjustable double bladed water paddle  
A water paddle comprising a first shaft having a blade end and a free end and a second shaft having a blade end and a free end, a first cog collar located on an exterior surface of first shaft and...
8684778 Paddle  
A paddle device. First and second paddle assemblies each have a paddle blade extending from a paddle end of a paddle arm so that the paddle structures each have a paddle blade end and a paddle arm...
8632371 Kayak paddle  
The kayak paddle is a transformative device capable of becoming an oar or a paddleboard paddle. The kayak paddle includes a first paddle blade that includes a notched end on a distal end, which is...
8512086 Propulsion devices  
A propulsion device includes a shaft and a paddle-like blade connected to a first end of the shaft. An electric motor is mounted on the paddle-like blade, and a propeller is attached to the...
8491349 Adjustable paddle for watercrafts  
This disclosure is directed to a paddle for a watercraft having an adjustable shaft with upper and lower telescoping shaft portions. A lever in the palm grip applies tension to a cable to compress...
8371886 Efficient paddle and associated methods  
An aquatic paddle includes a shaft having a first end and a second end, and a paddle blade rigidly coupled to the first end of the shaft. The paddle blade is constructed from a skeleton and a web...
8317558 Compound rotational grip  
An improved paddle apparatus for standup paddling of surfboards or like water craft, having a plurality of hand grip portions rotatably mounted relative to the paddle shaft, and a means of...
8257123 Quadrimanual forward-rowing device with semi-independent oars  
Disclosed is a device for facilitating direct arm-and-leg tandem (quadrimanual) production of the power stroke in forward-facing rowing that allows the placing of the oars into the water for the...
8235760 Paddle with selectable blade angle  
A paddle for use in watersports is provided with shaft halves and blades at the end of each shaft half with a selectable offset angle between the blades. A joint connecting the shaft halves may...
8192242 Force sensing oar  
A system for determining the magnitude of force applied to an oar by a rower as the oar is pulled through water includes a deflection sensor and a temperature sensor mounted on an oar shaft to...
8167669 Grip of oar  
An oar includes a retractable shaft with a blade and a grip connected to two ends thereof. A socket is connected to the shaft by a pin and includes a first toothed surface on the end surface of...
8162709 Paddle having a lever for generating sound  
A paddle suitable for use with a kayak or like watercraft, the paddle comprising: (a) a tubular shaft extending from a first blade located at a first end to a second blade located at a second end;...
8123635 Arm extension apparatus  
An arm extension apparatus includes a base having an elongate configuration. The apparatus includes a paddle coupled to the base and having proximal and distal portions, the paddle being slidably...
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...
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...
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...
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...
7708610 Rowing oar system with articulating handle  
An improved oar that has an oarlock assembly, which holds the main oar shaft and parallel link in line with each other while allowing them to pivot fore and aft and up and down; an oar shaft; a...
7520788 Reciprocating oar with propulsion reversing system  
A manually-operable reciprocating rowing system having a reversible oar for forward or reverse propulsion. The oar has a plurality of pivoting blades mounted in a housing and movable between open...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 126 1 2 3 >