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WO/2024/050073A1 |
Water walking skis and a method for boarding them, in which each ski has an elongated body with a bow end in the form of a monohull and a stern end in the form of a twin hull. The skis can be combined with a pair of poles for balance, an...
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WO/2023/250199A1 |
A paddle for propelling a watercraft that has a nonlinear shaft which allows the paddle blade to be positioned underneath the watercraft and brought very close to, or directly under, the centerline of the craft. This has advantages in ef...
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WO/2023/229475A1 |
A hydrofoil vehicle comprises a frame and at least one foil. The vehicle comprises a moveable control surface configured to control a pitch of the vehicle, in use. A locking mechanism is provided for restricting movement of the control s...
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WO/2023/088529A1 |
The present invention relates to a mechanism comprising a frame (10), levers (7), pedals (19, 17, 13), clutches (1) and/or freewheels, gears and/or pulleys, rotation shafts (8, 9, 11, 14, 15) and/or lever pushrods (20) which convert the ...
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WO/2023/083399A1 |
1) A watercraft with handles, having one or more hydrofoils rigidly connected to one another underwater, for transporting a person above water, which is propelled by movement of the hydrofoils by said person. 2.1) Known solutions bear mo...
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WO/2023/062038A1 |
The invention relates to a paddle for a nautical craft, comprising a shaft (1) having at least one segment (2) extending between an inner end (2a) and an outer end (2b), a blade (4) being reversibly connected to the outer end (2b) of the...
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WO/2023/056406A1 |
The paddle of the present invention includes a shaft with a blade on one end and a handle on the opposite end of the shaft. A second blade is attached on the end of the shaft with the handle such that the handle is still accessible so th...
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WO/2023/056404A1 |
A self-contained paddle can be adjusted from a single paddle form with a handle on one end to a double paddle configuration having paddle blades on both ends. The paddle of the present invention allows for the handle end of a water recre...
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WO/2023/049531A1 |
In some embodiments, a system includes a memory, a processor, a display, and a set of sensors. The processor may be coupled to the memory and coupled to a boat. The set of sensors may include a subset of rower sensors associated with a r...
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WO/2023/035040A1 |
Paddle assembly (11) including a pair of shaft bodies (12, 14) extending between opposed ends (16, 18, 20, 22). A first end (16, 20) of each body (12, 14) is connectable to the first end (16, 20) of the other body (12, 14) to allow rotat...
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WO/2023/017289A1 |
The invention relates to a rotating device (101 ) for a paddle (2) having a shaft (4), the device (101 ) comprises a cylindrical rotor (17) which is connectable to the shaft (4), and which, when connected, surrounds a longitudinal axis (...
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WO/2022/267166A1 |
A detachable paddle, comprising a main paddle rod (10), a first detachable paddle rod (20), a second detachable paddle rod (30), a blade portion (40), and a paddle grip portion (50). The main paddle rod (10) is connected to the detachabl...
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WO/2022/265976A1 |
A device for propelling a floating watercraft across a water surface includes an elongated shaft with a blade attached to one end of the shaft. The blade has a transverse lip that extends from at least a portion of the perimeter of the b...
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WO/2022/261016A1 |
Watercraft and propulsion systems therefor are described herein. In one example, a watercraft includes a hull configured to float in water and a cockpit configured to carry at least one passenger. The watercraft further includes a fishta...
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WO/2022/237205A1 |
A forward advancing racing boat. Oarlocks (3) and oarlock pivot structures (4) having relatively high positions are provided on the two sides or middle or other parts of the boat; and the oarlock (3) and an oarblade (5) of a same oar are...
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WO/2022/225846A1 |
An oar, particularly useful in conjunction with a paddleboard. The oar including a paddle disposed at a distal end of a paddle shaft; a crossbar disposed at the proximal end of the paddle shaft; a first grip disposed at a first lateral e...
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WO/2022/204448A1 |
A device includes a cleat and a receiver. The cleat is mountable to a shoe and includes a front portion and a rear footing. The receiver is mountable to a support of an external device. The receiver includes a frame including a front por...
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WO/2022/180580A1 |
A kayak comprising a foot-driven propulsion mechanism comprising first and second shafts with first and second pedals, first and second flappers, and a core body between the first and second shafts and first and second flappers, a body c...
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WO/2022/175237A1 |
The invention relates to a handle (22) for a shaft (3), of the oar shaft type, comprising a hollow body (1) extending longitudinally along an axis X and having: - an outer wall (4) for handling; - an inner wall (5) defining a cylindrical...
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WO/2022/133572A1 |
A paddle is disclosed, wherein the paddle comprises a shaft extending along a shaft axis, wherein the shaft has a first end and an opposing second end; a first blade extending from the first end of the shaft and at a first blade angle to...
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WO/2022/090634A1 |
The invention relates to an aquatic device (100) for a bather (107), comprising a submerged propeller (102) and a float (101) arranged to support the bather (107). The float (101) is connected to the submerged propeller (102) by means of...
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WO/2022/072914A1 |
An apparatus for mounting a pedal propulsion system to a watercraft, having a mount portion configured to be attached to the watercraft, a link support, and upper and lower links pivotally connected to the link support and to the mount p...
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WO/2022/066602A1 |
Magnetic accessory surface mounts are provided using magnetic attraction between the ferrous metal accessories and a magnet disposed on, or in, the surface on which the accessories are to be mounted. Magnetic mounts are particularly suit...
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WO/2022/061361A1 |
A modular hybrid propulsion unit is disclosed that is mountable to a watercraft. According to an example, the modular hybrid propulsion unit includes a housing configured to fit within a complementary housing receiver on a topside of the...
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WO/2022/045493A1 |
The present invention relates to a water bike, which is configured to allow a rider to travel by pedaling, is compact in size so as to enable convenient transportation, and can be conveniently assembled on site to be used. The present in...
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WO/2022/044239A1 |
Provided are an angle variable device and an oar with which the angle of a shaft can be changed readily.　This angle variable device 1 is capable of varying the angle of a shaft 110 being passed through a sleeve 10 and comprises: a shaf...
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WO/2022/014788A1 |
The present invention relates to a propulsive body using the law of action and reaction, more specifically to a propulsive body for which forward movement is made possible by the reaction generated by the repetitive back and forth slidin...
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WO/2022/001700A1 |
A paddle board, comprising a paddle board body (10) comprising an upper surface (11) and a lower surface (11a), wherein the lower surface of the paddle board body is a surface which comes into contact with the water, and the upper surfac...
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WO/2021/263089A1 |
A paddle blade including a plurality of blades that allows fluid flow in between and along the plurality of blades. Each of the plurality of blades may have an airfoil shape and may be positioned parallel to each other. The plurality of ...
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WO/2021/247612A1 |
A paddle for use with watercraft can include a shaft assembly, a handle connected to a first end of the shaft assembly, and a blade assembly including a flexible blade part removably connected at a second end of the shaft assembly, the b...
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WO/2021/234486A1 |
The present invention relates to a muscle-propulsion system (1) for boats comprising a frame (11), a muscle-actuation device (21) coupled to the frame (11) and able to be actuated by the legs of a user for the movement in the water of th...
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WO/2021/099654A1 |
The invention is formed by a surfboard (1) comprising a mechanism that converts reciprocating motion into flapping motion, based on a paddle-shaped operating handle (4) inserted vertically upside down into a hollow lever arm (5) that ext...
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WO/2021/097445A1 |
Hollow rod for propelling a watercraft, such as a stand-up paddleboard, comprising: a rigid hollow rod comprising a center section of reduced diameter cross-section suitable for gripping and manipulating by a user's hands; and two, prefe...
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WO/2020/254843A1 |
The invention relates to a paddle with improved efficiency, particularly a competition paddle for kayaks which has a paddle shaft (10) and a blade piece (20) positioned at least at one of the ends (11) of the paddle shaft (10), at least ...
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WO/2020/228273A1 |
A recreational boat, comprising a base (1), and an electric driving assembly, a manual driving assembly, a steering assembly, a propeller (2) connected to an output end of the electric driving assembly, and a water paddling wheel (3) con...
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WO/2020/174415A1 |
Equipment for the conversion of a sailboat hull provided with a substantially rectangular cockpit, into a rowing boat, said equipment comprising a frame, substantially rectangular, shaped to be arranged with the two major sides at the tw...
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WO/2020/118396A1 |
Floating apparatus for aquatic activities. The present invention consists of a structural mechanical base that groups around it a mechanical system of gears, axles, roller bearings and a propeller, all hermetically sealed. On this unit, ...
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WO/2020/117131A1 |
The present invention relates to a binding and parts thereof for attaching rowing shoes to a boat, which allows an easy detachment of a shoe from a foot stretcher and consequently increases the rower's safety and practicality of use. The...
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WO/2020/048566A9 |
The invention relates to a drive system for supported driving of a watercraft (1) that can be moved by muscle power. The drive system has a drive unit (2) designed to drive a watercraft, which drive unit can be fastened to the watercraft...
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WO/2020/071929A1 |
In summary, the application relates to a device that propels a swimmer to move on the surface of, or below, water, allowing said swimmer to rise, descend or turn around their axis. The device allows a large degree of movement in the wate...
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WO/2019/202254A2 |
Disclosed is a watercraft comprising at least: an inflatable floating element (3), a propulsion unit (7) and a steering unit (9). The inflatable floating element has at least one hole (75, 77) for accommodating the propulsion unit (7) an...
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WO/2019/195484A1 |
The invention involves a paddleboard kit for converting any water sports board such as a surfboard into a paddleboard. An oar support assembly typically secures oars with pivotal paddles to the board; facilitating rowing exercises that m...
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WO/2019/171037A1 |
A system for measuring a rower profile of a rower; the system comprising one or more sensors located on an oar for measuring one or more forces imparted on the oar by the rower in use at a predetermined time;one or motion tracking device...
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WO/2019/171036A1 |
A sensor for measuring the flex of a pole when exposed to one or more forces, the sensor including at least one magnet and Hall Effect sensor combination, wherein the at least one magnet and Hall effect sensor are at a predetermined posi...
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WO/2019/161423A1 |
The invention relates to a stand-up paddle comprising a shaft (3) arranged between a paddle blade (1) and a handle part (2). In order to design the stand-up paddle such that users, in particular inexperienced users of stand-up paddle boa...
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WO/2019/145984A1 |
Described is an electronic system for the movement of boats (10) equipped with an electric water-jet engine (11 ), comprising a first electronic device(30), composed of a first Bluetooth or Wi-Fi circuit (33), a first accelerometer (34) ...
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WO/2019/141921A1 |
The invention relates to a system for fastening a shoe to a footrest (1) in a rowing boat, said shoe having a sole. According to the invention, such a fastening system comprises a device for attaching the shoe to the footrest (1), based ...
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WO/2019/135181A1 |
A self-propelling device (100) that couples to an inflatable flotation product (50). The self-propelling device (100) integrates with the inflatable flotation product (50) such that movement of the inflatable flotation product (50) moves...
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WO/2019/104005A1 |
Implementations of paddles may include at least one paddle blade coupled to a shaft, a sleeve coupled over the shaft, the sleeve including a helical opening, a locator pin coupled to the shaft and extending through the helical opening, a...
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WO/2019/072976A1 |
The invention relates to a drive module (1) designed for a boat-like buoyancy body (2) made of solid material or inflatable or formed as a hollow body with inflatable air chambers therein. The drive module includes a seat (4) and a shaft...
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