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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 8091671 | Powered snowboard A snowboard has a removable tripod at the rear. A tiller mounts atop the tripod. The rider end of the tiller supports a motor. The distal end of the tiller supports a powered wheel. The power assembly doesn't compromise the shape and dynamics of a traditional snowbo... | 01/10/2012 |
| 8006795 | Device and method for regaining balance A device and method for assisting a user in regaining his balance is disclosed. The device comprises: at least one sensor for sensing changes in weight distribution on any of the feet of the user, at least one propulsion unit to be coupled to any of the feet of the ... | 08/30/2011 |
| 7900731 | Shoe with retractable motorized wheels A pair of shoes is provided having retractable motorized wheels. Each of the shoes has an upper, a sole, and first and second wheels mounted on the sole and movable from a retracted to an extended position. When the wheels are in an extended position, at least one w... | 03/08/2011 |
| 7445069 | Vehicle control unit and vehicle A control unit is designed to control a vehicle which includes a body arranged to allow a user to step onto the body, a power generator arranged to generate power that drives the body, and a load sensor unit arranged to output a load value representing a load that h... | 11/04/2008 |
| 7383908 | Motorized walking shoes The present invention aims to provide incremental automotive transportation to a person wearing a pair of identical motorized shoes. Each shoe houses in its sole an assembly of electrically powered set of wheels clasped over longitudinally by a conveyor from heel to... | 06/10/2008 |
| 7364174 | Magnetic motor axle for skateboards A magnetic motor axle for magnetically augmenting the propulsion efficiency and duration of a skateboard is disclosed. The magnetic motor axle includes a truck for mounting on a step board of a skateboard. Multiple truck magnets are provided in the truck. An elongat... | 04/29/2008 |
| 7350607 | Electrical power generation A wheeled transport device, such as a piece of luggage configured to be manually wheeled by a pedestrian user, in provided with an electrical generator operably coupled to a rolling wheel of the device and configured to produce electrical energy as the user wheels t... | 04/01/2008 |
| 7331833 | Personal propulsion device with hands free control An improved personal propulsion device that generally imparts thrust directly to the user. The device allows hands free control of thrust magnitude and direction so both hands can grasp and control bicycle handlebars and brakes, watercraft paddles, ski poles, etc. T... | 02/19/2008 |
| 7311164 | Illuminated scooter An illuminated scooter includes a platform having a pivotal, length-adjustable handlebar at a front end and a wheel at a back end. Mounted on the upper surface of the platform adjacent the wheel is a generator including a drive shaft with a roller at a distal end th... | 12/25/2007 |
| 7293622 | Foot-controlled motorized vehicle A weight-controlled, motorized vehicle can be accelerated in either direction, steered, or decelerated without hand controls and without repositioning of a rider situated atop the vehicle. Like a skateboard, the vehicle is normally ridden by a rider standing upon a ... | 11/13/2007 |
| 7261305 | Occupant-propelled fluid powered rotary device, truck, wheeled platform, or vehicle An occupant propelled device having at least one hydraulic cylinder, a platform and a housing. The at least one hydraulic cylinder has at least two chambers in fluid communication. The platform is attachable to the at least one hydraulic cylinder, such that upon mov... | 08/28/2007 |
| 7205730 | Article transport vehicle The invention provides an article transport vehicle that includes: a vehicle body; a first wheel that supports the vehicle body; a second wheel that is disposed spaced apart from the first wheel in a fore-and-aft direction, and that supports the vehicle body; a firs... | 04/17/2007 |
| 7204497 | Steering post for recreational vehicle A steering post for use with a recreational vehicle, particularly a snowmobile or ATV, is described. The steering post includes a steering shaft having upper and lower ends; at least two steering arms, the two steering arms being positioned at an angle to a longitud... | 04/17/2007 |
| 7204330 | Battery-powered, remote-controlled, motor-driven, steerable roller skates Battery-powered, remote-controlled, motor-driven, steerable roller skates. Each skate includes a boot, a transmitter, a base, a driving mechanism, a steering mechanism, a controller, and a receiver. The boot is worn on a foot of a user. The transmitter is battery-po... | 04/17/2007 |
| 7198280 | Vehicle An electric skateboard is capable of detecting a load applied from a rider accurately without influence from various positions of the rider on the board and without influence from various road conditions. The electric skateboard includes a board arranged to receive ... | 04/03/2007 |
| 7198122 | Device for transporting a stroller A device for transporting strollers includes a base member having a plurality of compartments, a plurality of wheels for supporting the base member wherein two such wheels are mounted adjacent the rear portion and another wheel is pivotally mounted to the base membe... | 04/03/2007 |
| 7193376 | Vehicle control unit and vehicle A control unit controls a vehicle having a body to allow its user to step on, a power generator arranged to generate power that drives the body, and a load sensor unit arranged to output a load value representing a load that has been applied to the body. The control... | 03/20/2007 |
| 7185726 | Bicycle with optional power assist A bicycle is fitted with rear panniers that provide electric motor assist and a power supply for the bicycle when desired. In a preferred embodiment the bicycle has a power coupling permanently attached at the rear wheel, for receiving an output drive shaft or power... | 03/06/2007 |
| 7172044 | Self-propelled wheel board A wheel board comprising a wheel (2) with a diameter of 0.2 to 0.6 m mounted on a free wheel (21), mounted on an axle (3) situated on a vertically pivoting arm (4) arranged on the board (1), and mounted freewheeling and driven by a... | 02/06/2007 |
| 7159879 | Braking and steering system for a truck, wheeled platform, skateboard or vehicle A steering enhancement and braking system for a skateboard or wheeled platform having an actuating element configured to change the position of the skateboard deck relative to the skateboard truck. The actuating element comprises a deck plate configured to be attach... | 01/09/2007 |
| 7157284 | Vacuum distillation automatic sampler A plurality of samples can be analyzed sequentially in any desired order by intruding the samples into an automatic sampler, the automatic sampler including a plurality of sample ports connected to a holder, a connector, a valve, and a seal. The connector if each sa... | 01/02/2007 |
| 7138774 | Vehicle control unit and vehicle A control unit controls a vehicle having a body to allow its user to step on, a power generator arranged to generate power that drives the body, and a load sensor unit arranged to output a load value representing a load that has been applied to the body. The control... | 11/21/2006 |
| 7131507 | Tracked ATV The invention relates to a tracked ATV which is fully supported, driven and steered by a pair of parallel endless tracks driven by means of an internal combustion engine. Steering means are arranged to control the differential speed between the tracks for steering t... | 11/07/2006 |
| 7121566 | Skateboard suspension system A truck assembly for use on a skateboard. The truck assembly includes a housing that is configured for attachment to a board of the skateboard. The housing has a longitudinal axis. A resilient member may be retained by the housing. A mounting member may engage the r... | 10/17/2006 |
| 7118502 | Drive arrangement A scooter drive arrangement which includes a first shaft, with a one-way bearing and a clutch, which is connected to a driven wheel, and a second shaft, which is rotated by an engine, through a centrifugal clutch, which has two fixed pulleys which respectively drive... | 10/10/2006 |
| 7104351 | Mount for chain driven sprocket and chain powered scooter An improved motor mount adjustably tensions the chain in a chain and sprocket driven vehicle. The vehicle has a frame, at least one driven wheel rotating from a wheel rotation point on the frame, a driven sprocket driving the driven wheel. A motor is mounted to the ... | 09/12/2006 |
| 7104557 | Folding and positioning structure of the head tube for an electric vehicle An electric vehicle with an innovative folding and positioning structure of the head tube includes a head tube having a bottom connected to the top of a top tube through a movable joint, constituting the swivel part of the head tube. The top of the top tube has a ra... | 09/12/2006 |
| 7105972 | Controller and magnetically driven wheel for use in a radial/rotary propulsion system The radial/rotary propulsion system of the present invention features a flywheel having concentric rings of permanent magnets attached to one or both sides or embedded into the flywheel. These permanent magnets interact with DC powered electromagnets which, when sel... | 09/12/2006 |
| 7100729 | Suspension apparatus for scooter utilizing offset frame with torsion shock absorber A motor powered scooter for supporting a standing rider has an improved torsion acting shock absorbing mount for the cantilevered shock absorbing support of at least one of the scooter wheels from the frame. At least one torsion acting shock absorber is utilized. In... | 09/05/2006 |
| 7100728 | Driving mechanism of an electrically-operated vehicle An electric vehicle includes a rear frame, a rear axle fastened with the rear frame, a rear wheel mounted on the rear axle, and a driving mechanism mounted on the rear frame to drive both ends of the rear axle. The driving mechanism has a first motor for driving one... | 09/05/2006 |
| 7089875 | Gliding board for sports activities on water, snow, sand lawn and the like The invention relates to a gliding board for sports activities on water, snow, sand, lawn and the like, comprising a body resembling a board, which is equipped with a drive motor, wherein a self-supporting tank for the drive motor covering a large surface of the str... | 08/15/2006 |
| 7077229 | Folding and portable electric scooter A folding and portable electric scooter assembled from structural members including a body member, a cover member, a seat frame and handles. When the electric scooter is not in use, a user needs only employ three simple actions to facilitate rapid folding away of a ... | 07/18/2006 |
| 7077414 | Self propelled scooter The present invention relates to a scooter that is self propelled with a uniquely designed spring winding propulsion system. Using a system of interrelated gears and sprockets, the propulsion system is automatically rewound as a user manually propels the scooter. Ac... | 07/18/2006 |
| 7070192 | Method and apparatus for stabilizing a skateboard for training novice users of skateboard A stabilizing pad for use with conventional skateboards for ready attachment and detachment to the skateboard between the skateboard wheels for stabilizing the skateboard and immobilizing the wheels to permit a novice skateboarder to practice the basic balancing, ma... | 07/04/2006 |
| 7044486 | Skateboard with suspension system A skateboard includes a board having a tip portion and a tail portion. A substantially U-shaped first aperture is formed in the tip portion, with an open end of the first aperture opening toward a central portion of the board. A substantially U-shaped second apertur... | 05/16/2006 |
| 7040443 | Motorized scooter A scooter having a fuselage with a front portion and a rear portion that includes a rear wheel rotatably mounted at the rear portion. The scooter also includes a standing platform supported by the fuselage for supporting a rider and a transmission system mounted und... | 05/09/2006 |
| 7040638 | Occupant-propelled fluid powered rotary device, truck, wheeled platform, or vehicle An occupant propelled device having at least one hydraulic cylinder, a platform and a housing. The at least one hydraulic cylinder has at least two chambers in fluid communication. The platform is attachable to the at least one hydraulic cylinder, such that upon mov... | 05/09/2006 |
| 7021413 | Foldable electric motorcycle structure A foldable electric motorcycle structure includes primarily a body, a front and rear frames, and a cap, wherein the cap is located at a front part of the front frame, a seat is located at a top edge of the rear frame, and latching mechanisms are located respectively... | 04/04/2006 |
| 6971942 | Rotary feedback mechanism for a toy A rotary feedback mechanism includes a first set of electrically conductive pads mounted to a first member and a wiper mounted to a second member. As the first and second members rotate relative to one another, the wiper sequentially contacts one or more pads of the... | 12/06/2005 |
| 6957818 | Hand steerable sports scooter A steerable sports scooter including a bi-laterally pivotable independent forward portion, a hand-operable direction controller, and an independent rearward portion in secured communication with the forward portion and having a support surface upon which to stand. P... | 10/25/2005 |
