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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8167667 | Watercraft for transportation and exercise A watercraft for transportation and exercise including a boat for floating on water and having a portion thereof above a waterline and a portion thereof below the waterline The boat has an opening therein for permitting a person to be partially below the waterline a... | 05/01/2012 |
| 7988508 | 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 ... | 08/02/2011 |
| 7785161 | Vehicle A vehicle for movement relative to a medium, the vehicle comprising a base, and a carriage mounted on the base for supporting a human operator, the carriage mounted for forward and rearward movement relative to the base upon being driven by bipedal movement of the o... | 08/31/2010 |
| 7604521 | 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 sup... | 10/20/2009 |
| 7462083 | Water sport device A water sport device that enables a person to walk upright over the water consists of a boat-shaped lower part and an upper part between which a chamber is formed whereby the chamber has an inlet and opens out into an outlet. A drive mechanism actuated with the feet... | 12/09/2008 |
| 7434530 | Collapsible self propelled hydrofoil device A collapsible or compactable hydrofoil device having front and rear foils, a support structure and a steering mechanism that may be collapsed into a compact size for transport and storage. The steering mechanism includes several releasably coupled components that ar... | 10/14/2008 |
| 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 |
| 7367599 | Inflatable bumper car An inflatable bumper car has an inflatable structure having a seating area and a lower cavity. The frame structure fits within the lower cavity of the inflatable structure. The steering wheel has an electrical control. The wheels are mounted on the frame structure. ... | 05/06/2008 |
| 7354326 | Personal watercraft A personal watercraft is disclosed comprising a pair of longitudinally connected pontoons suitable for supporting a user on the surface of a body of water. A slip-joint comprising a pair of concentric cylinders, one attached to each pontoon, provides desired lateral... | 04/08/2008 |
| 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 |
| 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 |
| 7258360 | Alpine ski Alpine ski (1) having a sidecut (9) which has a radius smaller than 24 meters, wherein the front (10) and/or rear (18) ends have a cavity (11, 15) opening longitudinally at said end, the dimensions of the cavity (11, 15) all... | 08/21/2007 |
| 7232350 | Human powered watercraft The watercraft described herein is a surfboard, skim board, dive board, or boat having a propelling fin driven by a standing surfer or boater with an upward and downward stroke which may be used to propel the watercraft by an upward and downward fin motion. The surf... | 06/19/2007 |
| 7217164 | Visual sports training apparatus and method A real time visual self-monitoring system for a user includes a camera adapted for fixed monitoring in selectable relativity to the user, a monitoring device for receiving camera output adapted for viewing by the user and a power supply for the camera and monitoring... | 05/15/2007 |
| 7207853 | Method and apparatus of information systems for rowers A system (12) for providing information to a rower of a boat (10). The system includes a display unit (32) adapted to be coupled to the boat for displaying information to the rower and an imaging device (36) in communication with the disp... | 04/24/2007 |
| 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 |
| 7112108 | Water craft A watercraft (10,40, 60, 90, 110, 200, 210, 310) is disclosed which is propelled by at least one pair of pivoted sheets (28, 29) which are reciprocated through the water by a propulsion mechanism (18, 25, 45, 48, 91, 92) which is driven by repea... | 09/26/2006 |
| 7104852 | Water craft apparatus A water craft includes a first portion having a front end, a rear end, and at least two sides; a second portion connected to the rear end of the first portion, wherein the second portion includes a walking-exercise treadmill portion having an exercise platform and a... | 09/12/2006 |
| 7056064 | Block unit for repairing flow passage facilities and method of repairing flow passage facilities A block unit for repairing flow passage facilities is provided for permitting a desired repair operation. A method of repairing flow passage facilities using the block unit is also provided. The block unit includes an inner plate defining an inner surface, an outer ... | 06/06/2006 |
| 7048599 | Manually propelled watercraft and propulsion mechanism A manually propelled watercraft for transporting a user on water, comprising a buoyant body having a longitudinal axis and a top side and a bottom side disposed adjacent to the water, a track disposed on the body substantially parallel to the longitudinal axis, a ve... | 05/23/2006 |
| 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 |
| 7021232 | Self propelled hydrofoil device A self-propelled hydrofoil device having front and rear foils, a support structure and a steering mechanism. The device is preferably fabricated with a flexible steering and/or support member that permits the drive foil to move in an appropriate manner through water... | 04/04/2006 |
| 6997765 | Vessel propelled by oscillating fin with control mechanisms A marine propulsion system emulates the fishes swimming motion yet is highly maneuverable as it permits changes from forward to reverse motion while underway. In other aspects, the propulsion system may be designed and optimized for efficient human powered propulsio... | 02/14/2006 |
| 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 |
| 6943459 | Mobile electrical power source A portable power source (10) includes a housing (12), a stator component (20), a rotor component (18), a crank assembly (14), and a control system (24). The stator component (20) is secured to the housing (12),... | 09/13/2005 |
| 6925956 | Collapsible watercraft A collapsible watercraft for personal recreation. The collapsible watercraft includes a tubular frame that has a first portion and a second portion. Each of the portions are generally rectangular and are hingably coupled together allowing them to be folded one porti... | 08/09/2005 |
| 6869323 | Pedal powered watercraft and equipment A water driven pedalcraft in which water propelling blades or paddles and a drive mechanism for driving the blades or paddles are associated with a framing system removably mounted atop a buoyant pontoon system. The drive mechanism preferably comprises conventional ... | 03/22/2005 |
| 6843691 | Sculling apparatus for small boats The present invention provides an apparatus for propelling a small boat through a body of water by use of a sculling action. The apparatus may be comprised of a vertical stock attached to a vertical surface of the boat, normally the transom. A wide, flexible fin may... | 01/18/2005 |
| 6595813 | Feet-propelled water vehicle A feet-propelled water vehicle including a buoyant body having a user-supporting platform attached to a rigid frame secured to a pair of pontoons. A pair of propelling paddles is attached to the rigid frame. Each propelling paddle defines a corresponding ... | 07/22/2003 |
| 6579134 | User-propellable sport board device A sportboard device (10) for movement over a fluid medium, including water, snow, or ice; including a plurality of pivotable fin assemblies (20) for transferring force from the user's feet to the fluid. Fin assembly (20) includes foot platform (30), trans... | 06/17/2003 |
| 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 |
| 6468118 | Personal watercraft A personal watercraft that includes at least one stepper. Each stepper is pivotally associated with a propulsion member that is moveable in a generally vertical direction so that the propulsion member is in a first position during downward motion of the s... | 10/22/2002 |
| 6309263 | Bicycle-type marine vessel A bicycle-type marine vessel including a long, narrow hull unstable in nature, that keeps balance on the water by means of a front rotating keel-propeller system that plays the role of a front wheel on a ground bicycle. The forward location of the keel an... | 10/30/2001 |
| 6241565 | Helical drive human powered boat A boat having a helical drive mechanism. The helical drive mechanism includes a slider engaged with a twisted screw or a cylinder having a helical slot or groove. The helical drive mechanism is connected to a force input shaft which is arranged within the... | 06/05/2001 |
| 6217398 | Human-powered or human-assisted energy generation and transmission system with energy storage means and improved efficiency Efficient human-powered or human-power assisted energy generation and transmission system adapted for use with vehicles. The present invention can be utilized to achieve overall energy transmission efficiency superior to mechanical drives that utilize cha... | 04/17/2001 |
| 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 |
| 6099369 | Water vehicle A water vehicle includes at least first and second foils which are at least partially submersible in water. These foils are movable, at least to a limited extent relative to each other. Repeated movement of the foils generates a propelling force that will... | 08/08/2000 |
| 6083065 | Paddle wheel propulsion device kit A paddle wheel propulsion device kit is shown which can be removably affixed to a canoe and the like watercraft. A steering unit having a tiller and a rudder shaft detachable from an elbow with a safety cable can be removably attached to the watercraft. A... | 07/04/2000 |
| 6050864 | Amphibious bicycle An amphibious bicycle intended to be highly efficient, safe and maneuverable forms of both land and water transportation. This achieved by the addition of a strong, rigid frame work, small paddles in the rear wheel assembly, and durable, nonsinkable ponto... | 04/18/2000 |
| 5997369 | Human powered marine vehicle and method for the operation thereof A human powered marine vehicle is provided having a rigid front section and a flexible rear section which may be flexed at at least two point therealong. The arms and/or legs of one or more persons in the vehicle are used to power actuators for each flex ... | 12/07/1999 |
