| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 440021000 | OPERATOR POWERED DRIVE FOR PROPELLING MEANS | 30 |
| 20090042462 | Swimming Propulsion Device - A swimming propulsion device. The swimming propulsion device includes a fuselage having a forward section and an aft section, at least one propulsor pivotally connected to the forward section of the fuselage, and in some embodiments, at least one stabilizer affixed to the aft section of the fuselage. The device also includes a swimmer connection mechanism removably attached to the fuselage by a locking mechanism whereby the swimmer connection mechanism connects a swimmer to the device, and a control mechanism attached to the fuselage and the propulsor. A method for efficient swimming is also disclosed. | 02-12-2009 |
| 20100291815 | Watercraft Propulsion System - A watercraft is powered by a user sitting on a sliding seat and using footrests. The user operates a simulated rowing mechanism which includes a handle, cord, and reel. Power is transmitted through the rowing mechanism to a series of paddles, which move in a loop in a horizontal plane through the water underneath the watercraft. The paddles are mounted on a belt that passes around front and rear wheels. The paddles are feathered when moving forwards, by means of followers and/or a cam surface. | 11-18-2010 |
| 20110143607 | ADJUSTABLE ROWING SHOE DEVICE - A device is provided for attaching a rowing shoe to a foot stretcher of a rowing boat. The device has a shoe segment having a first surface for attachment to the rowing shoe and a first locking means. The device also has a stretcher segment having a second surface for attachment to the foot stretcher and a second locking means for releasably engaging with the first locking means. A rowing shoe is also taught, having a shoe segment on a bottom of the rowing shoe for releasable engagement with a corresponding stretcher segment of a foot stretcher of a rowing boat. | 06-16-2011 |
| 20110230107 | SWIMMING PROPULSION DEVICE - A swimming propulsion device. The swimming propulsion device includes a fuselage at least one propulsor pivotally connected to the fuselage, and in some embodiments, at least one stabilizer affixed to the fuselage. The device also includes a swimmer connection mechanism removably attached to the fuselage by a locking mechanism whereby the swimmer connection mechanism connects a swimmer to the device, and a control mechanism installed within the propulsor. A method for efficient swimming is also disclosed. | 09-22-2011 |
| 20130157529 | BOAT THAT CAN BE CONVERTED INTO A GYMNASTICS APPARATUS - The present invention relates to a boat propelled by two submerged independent wings actuated by means of a step simulator mechanism that imparts an vertical alternating movement to the wings, which are articulated around a shaft located forward of the center of pressure thereof, such that the wings assume angles of inclination that generates propulsive force in the upward and downward movements. In the analogous position of a conventional bicycle, the driver actuates the footrests while seated. A handlebar, connected to a rudder, is used to maneuver the vehicle. The catamaran configuration offers hydrodynamic efficiency and stability. When disassembled, the mainframe of the boat can be converted into a step machine, simply fitting a pair of dampers to the structure, which absorb and dissipate the energy generated during exercising. Thus, the present invention has a dual use—boat and gymnastics apparatus—and can be transported in the car trunk. | 06-20-2013 |
| 20130231014 | Paddleboard & Process - A paddleboard ( | 09-05-2013 |
| 20140370766 | Swimming Propulsion Device - A swimming propulsion device. The swimming propulsion device includes a fuselage at least one propulsor pivotally connected to the fuselage, and in some embodiments, at least one stabilizer affixed to the fuselage. The device also includes a swimmer connection mechanism removably attached to the fuselage by a locking mechanism whereby the swimmer connection mechanism connects a swimmer to the device, and a control mechanism installed within the propulsor. A method for efficient swimming is also disclosed. | 12-18-2014 |
| 20150072576 | Stand-Up Pedal Board - In accordance with the present invention, there is provided a stand-up pedal board wherein propulsion is provided to the stand-up pedal board by applying alternating downward force to foot pedals to swing a fin side to side through transfer of energy from foot pedal shafts rotating around a T brace, swinging the bottom of the T brace, with the forward end of the fin rotating around a connector. | 03-12-2015 |
| 20150087195 | HUMAN-POWERED WATERCRAFT - A human-powered watercraft may include a frame, a forward hydrofoil attached to the frame, and a first rear hydrofoil attached to a first strut with the first strut rotatably attached to the frame at a pivot point and the first rear hydrofoil configured to pivot about a rear end of the first strut. The human-powered watercraft may also include a second rear hydrofoil attached to a second strut with the second strut rotatably attached to the frame at the pivot point and parallel to the first strut and the second rear hydrofoil configured to pivot about a rear end of the second strut and a tension system coupled between the first strut and the second strut. The tension system allows the first strut and second strut to move in a generally stair-stepping manner which causes the first rear hydrofoil and the second rear hydrofoil to propel the human-powered watercraft forward. | 03-26-2015 |
| 20150329189 | WATER WALKER - Disclosed is a human powered water walker having a plurality of two-position flippers for effecting propulsion and steering of the water walker when the same is is actuated by human power. Each of the flippers is beveled at its front end and has at its rear end a downwardly beveled tab. The water walker may have two interlaced boyant ski trimarans to which the flippers are connected. | 11-19-2015 |
| 20160251067 | Swimming Propulsion Device | 09-01-2016 |
| 440022000 | Rocking watercraft | 1 |
| 20140378013 | Fluke Board...A Fluky Fusion of Fun and Fitness - The ‘Fluke Board’ is a human-powered, hydrodynamic ride-on board/structure, which functions under water but has buoyancy and is operated via the rider's hands or via the rider's feet. | 12-25-2014 |
| 440023000 | Fluid pump | 2 |
| 20100178816 | Jet propelled surfboard - A jet flow propelled surfboard assembly comprises a longitudinally forwardly elongated structure including flotation means to support a surfer and other means which includes a positive displacement pump which spring-loaded piston can be manually operated by the feet of the surfer to generate jet flow to propel the surfboard assembly. Also, a jet flow propelled surfboard assembly comprises a longitudinally forwardly elongated structure including flotation means to support a surfer and other means which including two positive displacement pumps which pistons can be manually operated in seesaw-like actions by feet of the surfer to generate jet flows to propel the surfboard assembly. | 07-15-2010 |
| 20160059945 | Elliptical Human-Powered Watercraft - A one-person watercraft, with a unique design and basic innovative modular catamaran style structure that makes the craft transformable, and useful for different hybrid water sports. The watercraft enables the user to either stand or sit while providing power to the craft, is disclosed. The craft comes in multiple versions, and the user may provide power to the craft through either hand-driven levers or foot-driven pedals/skis while standing up and/or sitting down and moving in an elliptical motion. These turn a propeller, at the back of the craft. The craft utilizes the Venturi effect (with a flexible drive shaft and a retractable propeller rudder system) to increase the propulsion created by water flowing through the propeller. The craft is designed to float stably to ensure users' safety. The craft may be used for leisure recreational activity, exercise, physical rehabilitation, transportation to travel across water, or any combination of the above. | 03-03-2016 |
| 440025000 | Sliding handle or pedal | 1 |
| 20150314847 | PADDLEBOARD WITH RECIPROCATING DIRECT DRIVE AND RUDDER CONTROLS - An apparatus and method of use is disclosed for a water-sport paddleboard incorporating user foot driven reciprocating mechanical features to produce propulsion over the surface of a body of water. Means is provided to enable forward and reverse propulsion and steering while in standing or sitting positions. | 11-05-2015 |
| 440026000 | Rotary cranking arm | 14 |
| 20080305696 | AQUATIC EXERCISE ROWING MACHINE - A floating exercise rowing machine with two elongated floating assemblies that are kept at a parallel and spaced apart relationship with respect to each other by two transversal frame assemblies and a longitudinally extending frame assembly. The frame assemblies support a seat assembly mounted at the middle of the floating exercise machine. A propulsion mechanism that includes a bar that is pivotally mounted to the frame assembly with a coaxially extending actuating end that moves reciprocally between two extreme positions to cause, through linkage arms, the rotation of sprockets that in turn impart a rotational movement to a transversal axle that supports two paddle wheels at the ends. A steering mechanism permits a user to steer the floating machine with his/her hands. | 12-11-2008 |
| 20100075550 | MANUALLY OPERATED WATERCRAFT - A personal watercraft ( | 03-25-2010 |
| 20150104986 | Handle-Actuated Aquatic Device - A handle-actuated aquatic device comprising a paddlewheel and a body board, wherein the body board is buoyant in water and configured to engage a portion of a user's body, and a first handle and a second handle are operatively connected to the paddlewheel, wherein each handle is configured to rotate the paddle wheel, and wherein the paddlewheel is attached to a body board frame, the body board frame also being configured to receive at least a portion of the body board. | 04-16-2015 |
| 20160200404 | KAYAK | 07-14-2016 |
| 440027000 | Plural-crank type | 7 |
| 20080311803 | PEDALING APPARATUS - The present invention is pedaling apparatus (PA) for a watery environment. The PA may comprise a supporting body connected to at least one pedal. At least part of the supporting body supports the carrying of a user's weight. Part of the body and the position of the pedal in relation to said body may be designed to support the user's weight and to maintain the pedals' rotation movement inside the water throughout the span of the rotation movement, once the user applies his/her weight upon the PA. | 12-18-2008 |
| 20090061703 | Manually Operated Propelling Device - A propelling device includes a driving unit disposed in a housing. The driving unit includes first and second bevel gears connected coaxially and respectively to upper and lower ends of a vertical driving shaft, a third bevel gear disposed on and co-rotatable with a transverse driving shaft and meshing with the first bevel gear, and a fourth bevel gear connected fixedly and coaxially to a front end of a longitudinal driving shaft and meshing with the second bevel gear. An impeller is disposed on a rear end of the longitudinal driving shaft extending outside the housing, and is co-rotatable with the longitudinal driving shaft. Two operating crank members are connected fixedly and respectively to opposite ends of the transverse driving shaft, and are co-rotatable with the transverse driving shaft. | 03-05-2009 |
| 20090258550 | Ergonomic Pedaling Apparatus - An ergonomic pedaling apparatus for travel in water, enabling a user to practice swimming skills, comprising: an ergonomic supporting body for supporting the upper part of the user's body when frontally mounted over the body, where the body includes a curved triangular structure having three vertices constructed by three connected chassis members; three floatation units each connected to a separate vertex of the body; and a pedaling assembly comprising two scooped pedals enabling the user to progress in water by hand pedaling the pedals. The floatation units include: a first and a second back floatation units each comprising a float, where the floatability of the back floatation units is substantially equal and a third front floatation unit comprising two float parts vertically positioned one on top of the other. The floatability of the combined floats of the third floatation unit may be substantially equal to the floatability of each of the back floatation units. | 10-15-2009 |
| 20110159751 | Pedal propulsion system - A pedal propulsion system for a transportation conveyance comprises a pedal drive assembly having a teethed synchronous drive belt engaged between a drive sprocket and a transfer sprocket. The rotational axes of the transfer sprocket and the drive sprocket are oriented at an angle of up to 90 degrees from one another. The rotation of the transfer sprocket is conveyed to a propeller drive assembly mounted at the rear of a water craft by an elongated rotary shaft and a flexible transmission drive cable to facilitate removable of the propulsion system from the transportation conveyance. | 06-30-2011 |
| 20140370767 | Portable Water Cycle - A portable, human-powered, catamaran styled water cycle that can be used by users of all ages. The water cycle contains a left pontoon, a right pontoon, a steering mechanism, a propelling mechanism, a seat, a left wheel, and a right wheel. The steering mechanism has a rudder which is controlled with the use of a steering handle. The propelling mechanism has a propeller which is powered by pedaling. The left pontoon and the right pontoon are both foldable such that the water cycle can be extended or collapsed conveniently. The seat is cushioned and also includes a back rest which can be used as a second seat when required. The left wheel is mounted onto the left pontoon and the right wheel is mounted onto the right pontoon. Therefore, the water cycle can be dragged with the use of the wheels for storing purposes. | 12-18-2014 |
| 20150079860 | Surfboard With Safety Mechanism - A surfboard for supporting a surfer to swim on or below surface of water includes a supporting body having an upper surface, a lower surface, a leading edge and a trailing edge. The leading edge including a protrusion contoured for supporting the surfer's face and the upper surface to support the surfer. The surfboard also includes a cover plate mounted on the lower surface underneath the leading edge, a propeller mounted on the lower surface underneath the leading edge, a steering system mounted on the lower surface underneath the leading edge, and a safety enclosure for protecting face of the surfer. The surfboard may be provided with wings extensible from the sides of the body to provide support and stability to surfers of larger size. | 03-19-2015 |
| 20160075420 | PEDAL PROPELLED WATERCRAFT WITH ACCESSORY MOUNT - A watercraft having a propulsion device accessible from within its cockpit. The propulsion device includes a pedaling assembly with seals to prevent ingress of water to the interior of the device's housing. The propulsion device may also include an accessory mount for a person to easily see and access electronic equipment and thereby keep the hands free for other tasks. | 03-17-2016 |
| 440029000 | Having endless drive member | 3 |
| 20080233813 | WATER CRAFT DRIVEN BY HUMAN-POWERED LAND VEHICLE - A human-powered land vehicle, such as a bicycle, is mountable to a collapsible water craft having a compact drive unit which can be pivoted about two orthogonal axes, one for directing the thrust for steering the craft, the other for raising or lowering the thrust assembly. The drive unit is releasably mountable to the frame of the vehicle and is connected in use to receive torque from the crank, for instance by an endless chain, and by a remote linkage to the handlebars, or like steering device of the vehicle. | 09-25-2008 |
| 440030000 | Chain and sprocket | 2 |
| 20150314848 | Linear Propulsion System For Small Watercraft - A foot-operated propulsion system for small watercraft, such as kayaks. The propulsion system includes a pedal assembly that controls motion of a fluke fin that is submerged beneath the waters surface. The pedal assembly is located in the bow of the watercraft and the paddler works the pedals with his feet. Operating the pedal assembly causes a force to be transmitted to a drive unit located in the stern of the craft, which then controls movement of linkages in the fluke assembly, to force the submerged fluke fin to swing upward and downward, emulating the motion of flukes on a whale, and thereby propelling the watercraft along the surface of the water. | 11-05-2015 |
| 20160176481 | Water bike | 06-23-2016 |
| 440032000 | Lever with connecting linkage | 1 |
| 20120058693 | Device for Pedal Powering a Watercraft - The present invention is a device affording foot-powered propulsion of a watercraft by an occupant. The device consists of two levers, each with a shaft, serving as a fulcrum. When mounted on a host craft the force arms extend above the deck or floor of the vessel and each has a pedal attached to their end. The resistance arms extend beneath the hull of the craft and each has a folding paddle attached. The levers are linked so that pushing one pedal away from the operator forces the other pedal towards the operator. A back-and-forth pedaling motion moves the folding paddle blades, propelling the vessel. Direction of propulsion can be reversed by rotating the paddles 180 degrees. The invention is intended to be mounted to a watercraft, such as, a kayak that has been specifically designed for or altered to accept the device. | 03-08-2012 |
