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| Number | Title | Issue Date |
| 7749034 | 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 triangu... | 07/06/2010 |
| 7549902 | Electric motor assisted propulsion system for human-powered watercraft A propulsion system for watercraft for personal enjoyment that incorporates human power with electric motor assistance, energy storage and optional solar power to achieve increased watercraft speeds and/or reduced pedaling effort. Control electronics enable operator... | 06/23/2009 |
| 7370596 | Kayak having stabilizing flares A kayak comprises a hull with a relatively narrow cross sectional underwater width for increasing speed and efficiency of the kayak moving through water and first and second pairs of convex surfaces for providing kayak stability. ... | 05/13/2008 |
| 7371138 | Boat having a pedal drive The invention relates to a pedal boat drive comprising at least one pedal crank and a drive train for transferring drive energy produced by the pedal crank to a means of propulsion, e.g. a propeller. At least one flywheel, which is mounted on a free-running axle, is... | 05/13/2008 |
| 7320291 | Multi-purpose, plastic molded, sit-on-top kayak A plastic molded, sit-on-top kayak of unique size and shape is disclosed with various components which provide multi-purpose usage. The kayak is especially useful for multi-purposes such as sailing kayak surfing, scuba diving, paddling, touring and electric motorize... | 01/22/2008 |
| 7281487 | Adjustable boat platform insert An adjustable boat platform is provided that attaches to a conventional boat and transforms it into a fishing platform typically found on a bass boat. The invention attaches to the perimeter of just about any “V”-bottom boat using special slots and locking pins.... | 10/16/2007 |
| 7264521 | Biomechanically correct pedal powered paddling system for small watercrafts The present invention relates to an accessory system simulating the biomechanical motion of manual paddling such as with a canoe or small boat. The system comprises: a watercraft attaching portion having width-adjusting members, an array of levers and members, paddl... | 09/04/2007 |
| 7238073 | Inflatable towable float A towable structure is configured to be towed behind a boat while floating above the surface of a body of water. In one implementation, the towable structure has a platform for supporting one or more passengers thereon extending between or otherwise supported by at ... | 07/03/2007 |
| 7232356 | Inflatable towable float A towable structure is configured to be towed behind a boat while floating above the surface of a body of water. In one implementation, the towable structure has a platform for supporting one or more passengers thereon extending between or otherwise supported by at ... | 06/19/2007 |
| 7121225 | Kayak with a plurality of topside storage enclosures The kayak has a topside axial enclosure, which may be rendered watertight and used as a bait tank or other liquid container, and at least one additional enclosure positioned transversely to the axial enclosure, which may or may not be watertight. In the preferred em... | 10/17/2006 |
| 7101241 | Floatation apparatus and method A floatation method and apparatus for effectively supporting and effectively exercising a person in a liquid. A method and apparatus for effectively playing a game in a liquid. The liquid may be water or any liquid used for cleaning or moisturizing a person's skin, ... | 09/05/2006 |
| 7070466 | Swimmers paddle wheel A swimmers paddle wheel (10) that utilizes a crankshaft (20) with a pair of ends (22,24) containing crank arms (28). Each crank arm (28) is out of angular alignment relative to each other, and each crank arm includes a handle grip ... | 07/04/2006 |
| 7037149 | Pedal powered catamaran A pedal powered catamaran has a pair of pontoons connected by a cross platform whereat an operator sits and rotates a pair of pedals which power the catamaran via a drive mechanism, the drive mechanism allowing the operator to gain mechanical advantage. One or both ... | 05/02/2006 |
| 7021978 | Human-powered generator system with active inertia and simulated vehicle A human-powered generator system for electric watercycles with a control means whereby the perceived mechanical properties of the pedal mechanism and electric pedal-powered generator are adjustable by the operator. The invention provides a means whereby the rotation... | 04/04/2006 |
| 6931678 | Water-swung hammock A water-swung hammock includes a floatable body for supporting a main body frame including at least one leg support for securing the main body frame to the floatable body. A staging platform may be coupled to the main body frame and capable of supporting a user. A s... | 08/23/2005 |
| 6855016 | Electric watercycle with variable electronic gearing and human power amplification A watercraft incorporating electrical power generation from human kinetic power, and electrical energy storage to enable amplification of human-power to propulsion power to achieve increased watercraft speeds. Control electronics enable operator-adjustable variable ... | 02/15/2005 |
| 6691633 | Pontoon paddle boat A collapsible pontoon paddle boat that includes inflatable pontoons that may be deflated, and a series of frame pieces that may be disassembled. The frame structure includes metal tubes that snap into anchors that are integrally formed on the sides of the... | 02/17/2004 |
| 6500034 | Water bicycle A water bicycle has a body and a drive system connected to the body. The body is made from a material that allows the body to float on water. The drive system includes a propeller that is positioned below the body, a shaft having a first end coupled to th... | 12/31/2002 |
| 6267631 | Bicycle watercraft accessory Disclosed is a bicycle accessory generally comprised of at least one pontoon, a frame, front bicycle mounting hardware and rear bicycle mounting hardware, and a propulsion mechanism. A common bicycle is mounted on the front bicycle and rear bicycle mounti... | 07/31/2001 |
| 6247981 | Recreational watercraft A manually powered recreational watercraft comprises a hull and a pair of paddle wheels independently mounted on opposed sides of the hull. Each paddle wheel comprises a plurality of vanes circumferentially distributed on a semi-spherical hub having an in... | 06/19/2001 |
| 6210242 | Pedal-powered watercraft A pedal-powered watercraft comprises a unitary hull having an upper wall extending from a bow portion to a stern portion of the watercraft and a pair of spaced hollow sponsons located on either side of the upper wall. The upper wall together with inner wa... | 04/03/2001 |
| 5989081 | Pedal boat A pedal boat comprises an integrally molded hollow hull having an upper surface where water passengers can be seated. The hull is provided with drain holes to conduct water away from the pedal boat. A steering assembly and paddle wheel assembly are mounte... | 11/23/1999 |
| 5879208 | Water apparatus The apparatus has front and rear floatable members pivotally coupled together such that the two members may turn relative to each other. A seat is coupled to the rear member for supporting a person. Paddles are coupled to a paddle shaft supported by the f... | 03/09/1999 |
| 5860378 | Recreational water vessel The present invention is for a recreational water vessel that may by operated driven by a manually operated propeller and drive system or it may be driven by wind under sail. The vessel includes two boards mounted to a main frame. Each board has a concave... | 01/19/1999 |
| 5718611 | Personalized watercraft A watercraft has floats supporting a bicycle-type frame having handlebars connected to a rudder to steer the watercraft. Side boards located on opposite sides of the frame are mounted on cross bars which support the frame on the floats. A chain and sprock... | 02/17/1998 |
| 5672080 | Water bicycle The water bicycle has three basic components: an elongated floatation board, a propulsion and seat unit which is releasably connectable to a central portion of the board, and a steering unit which is also releasably connectable to the board, in front of t... | 09/30/1997 |
| 5577940 | Water cycle apparatus The apparatus has front and rear floatable members. A main shaft is fixedly coupled to the rear end of the front member and extends upward wherein it has an upper portion defining a pivot axis. A connecting member is fixedly coupled to the front end of th... | 11/26/1996 |
| 5540604 | Aquatic vehicle with articulated steering The steering of a human powered pontoon aquatic vehicle is improved by arranging the pontoons in three articulated sections. The forward and aft pontoon sections are rotated in reciprocal directions with the forward sections being rotated in the direction... | 07/30/1996 |
| 5509831 | Unicycle for operation in water A unicycle for operation in water comprised of a frame having buoyancy pads disposed therein. The frame has a yoke portion. The yoke portion has a pair of extending arms. A hollow wheel has an intake opening formed through a central portion thereof. The h... | 04/23/1996 |
| 5460551 | Pedal-powered kayak A kayak having a cockpit containing a seat and a set of rotatable of pedals, the kayak propelled by a propeller, the propeller driven via a linkage by the set of rotatable pedals. Preferably, the rotatable pedals are mobile fore and aft substantially para... | 10/24/1995 |
| 5413066 | Pond boat A light weight and portable pond boat. The boat includes a frame designed to be flexible and readily disassembled. The frame is supported on a pair of inflatable pontoons and can be positioned along their length, without requiring deflation, to adjust the... | 05/09/1995 |
| 5405275 | Personalized watercraft A watercraft has floats supporting a bicycle-type frame, having handlebars connected to a rudder to steer the watercraft. A chain and sprocket foot operated drive is connected to a shaft journaled to a housing accommodating a power transmission for rotati... | 04/11/1995 |
| 5381752 | Paddle boat A paddle boat includes wheels at the sides of the boat. The paddle wheels have vanes and a central rim. The rim is used to propel the boat on land. The boat has seats in front of and behind peddles used to drive the wheels. The peddles have front and back... | 01/17/1995 |
| 5374206 | Pedal operated watercraft The improved watercraft of the instant invention includes design advantages such as solidly connected arm drive handles to augment power from the drive pedals; a fully pivoting drive assembly which pivots along with the steering mechanism; an angularly pi... | 12/20/1994 |
| 5249991 | Manually operated propulsion device for a canoe A manually operated propulsion device is provided for a canoe having a hull with a pair of gunwales, a seat extending directly under the gunwales for a person to operate the device and a thwart spaced away from the seat, extending directly under the gunwa... | 10/05/1993 |
| 5058522 | Portable personal floatation device A portable personal floatation device for water sports such as fishing and the like is constructed of a light material such as styrofoam and has a main cross panel with an opening for a user to fit through so the floatation device surrounds the user. The ... | 10/22/1991 |
| 4979916 | Canoe paddle assembly The present invention provides a paddle assembly particularly designed for attachment to a canoe. The paddle assembly comprises a plurality of paddle members at opposite ends of the assembly, a central crank with sideways extending drive shafts to the pad... | 12/25/1990 |
| 4968274 | Pedal operated watercraft The watercraft has a catamaran hull system with parallel rear pontoons pivoted for side to side oscillation from the trailing end of front pontoons. A rigid frame interconnects the front portions, and back support post is pivoted to both the frame and to ... | 11/06/1990 |
| 4894033 | Multipurpose and inflatable raft A multipurpose and inflatable raft mainly composed of an inflatable circular raft unit, an inflatable shperical raft unit and an inflatable back seat, wherein said circular raft unit comprising several retainer plates for the connection with the retaining... | 01/16/1990 |
| 4886475 | Steering apparatus for an inflatable raft A steering apparatus for an inflatable raft is disclosed. The apparatus substantially includes a transmission member having a transmission shaft formed thereon, a driving member having a driving shaft formed thereon which is co-axially arranged with the t... | 12/12/1989 |
