Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 8132524 | Personal watercraft with reactive suspension and an integrated braking and steering system A watercraft with several stability and handling design improvements. It has an enhanced reactive suspension system positioned in the vessel between a set of separating hull and body components. The watercraft also has improved braking, steering and stabilizing syst... | 03/13/2012 |
| 7845301 | Ventilated aft swept flow interrupter hull A boat hull has an aft swept ventilated area in at least a part of its bottom planing surface. An aft swept water flow interrupter is positioned to project downwardly from the hull forward of the ventilated area. The aft swept flow interrupter has two generally angu... | 12/07/2010 |
| 7707956 | Wake control mechanism The present invention is a wake control mechanism for watercrafts comprising flat or upwardly curved wake control plate(s) which is/are connected to the stern in a variety of ways, either fixed or adjustable, such that the water passing beneath and/or beside the tra... | 05/04/2010 |
| 7434531 | Device for adjusting boat wake A boat with a controllable wake, including a boat hull with a propulsion system. A wake controlling device includes first and second plates with a bottom surface which is convexly curved between their forward and rear ends, and first and second mounts secured to the... | 10/14/2008 |
| 7371140 | Protective marine vessel and drive A marine vessel and drive combination includes port and starboard tunnels formed in a marine vessel hull raising port and starboard steerable marine propulsion devices to protective positions relative to the keel. ... | 05/13/2008 |
| 7341013 | Small planing watercraft A small planing watercraft can have a hull, an engine, and a steering assembly. The steering assembly can be configured to be translatable in the fore and aft direction, as well as pivotable about a generally horizontal axis so as to provide more flexibility in acco... | 03/11/2008 |
| 7318388 | Integrated marine performance system A system for improving the performance of a powered boat that includes both methods and apparatuses that provide a powered boat ways to stabilize, control, and optimize the powered boat's performance when the powered boat is in powered motion. The system provides ca... | 01/15/2008 |
| 7314014 | Water craft A water craft (77) is disclosed which includes a chassis portion (78), at least four water engaging means (30, 34, 38, 42) and interconnecting means (94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126, 128, 130, ... | 01/01/2008 |
| 7252047 | Wave-forming apparatus for boats An adjustable wake-forming apparatus attachable to a boat stern providing means for generating waves of a particular form for water sport activities. The attachment is comprised of a pair of blades fastened to the transom by a plurality of struts. The present invent... | 08/07/2007 |
| 7246565 | Boat hull dispersion tunnel engagement device and method A boat hull includes a dispersion tunnel extending fore and aft forming a channel within a hull bottom surface for receiving a flow of water. A gate is inserted into and out of the channel for affecting pressure on the hull bottom with movement between open and clos... | 07/24/2007 |
| 7210422 | Fin stabilizer to reduce roll for boats in turns method and apparatus The invention relates to a fin stabilization system adapted to minimize roll about the longitudinal axis of the boat during sharp cornering at very high speeds. In one form, equipment such as a machine gun is mounted to the bow of the boat and targets are adapted to... | 05/01/2007 |
| 7204196 | Powered boat hull A hydrofoil craft, particularly a method of economically modifying a conventional hull with cambered foils to obtain and calculate increased lift from dense spray and to achieve enhanced craft performance is disclosed. The present invention improves speed, fuel effi... | 04/17/2007 |
| 7188580 | Variable-geometry graduated surface-foil for wing-in-ground effect vehicles The invention is a marine wing-in-ground effect vehicle capable of sustained high speed operation in varying seas. The vehicle comprises an aerodynamic flat bottom lifting wing with a fuselage, a longitudinal keel member under the wing, a propulsion unit installed i... | 03/13/2007 |
| 7174843 | Hydrofoil unit for attaching to the stern of the hull of a boat A hydrofoil unit for attaching to the stern of the hull of a boat. The unit includes a mount that mounts to the stern of the hull of the boat, a hydrofoil that is pivotally attached to the mount, a pivot assembly that pivotally attaches the hydrofoil to the mount, a... | 02/13/2007 |
| 7168386 | Small boat A small boat has left and right sponsons extending in a longitudinal direction and respectively attached to left and right side walls forming a boat body. The sponsons are provided with an attachment section contacting a left side wall, a gliding section extending s... | 01/30/2007 |
| 7152517 | Defensive shield A defensive shield for a ship has a support arm, pivotally mounted to a ship, and a shield pivotally mounted to one end of the support arm. The support arm is movable between a retracted position and a plurality of deployed defensive positions. In the deployed posit... | 12/26/2006 |
| 7140318 | Method and apparatus for modifying wake An adjustable wake setting device for modifying a wake produced by a watercraft traveling through water. The system has a mounting member dimensioned and configured for attachment to the watercraft, a foil dimensioned and configured for movement between a stowed pos... | 11/28/2006 |
| 7137350 | Catamaran with extending platform carried by the underwing and an extending deployable ramp carried by the extending platform A catamaran has a pair of spaced-apart pontoons, each having a forward tapered end and a rearward end. An underwing is affixed to the pontoons and spans therebetween. A platform is pivotally connected to the underwing forward end and/or rearward end and conforms to ... | 11/21/2006 |
| 6941884 | Wake control mechanism The present invention is a wake control mechanism for watercrafts comprising flat or upwardly curved wake control plate(s) which is/are connected to the stern in a variety of ways, either fixed or adjustable, such that the water passing beneath and/or beside the tra... | 09/13/2005 |
| 6935263 | Wake absorber A wake absorber, wherein an aquatic vehicle with a propulsor mounted on the vehicle and operative to propel the vehicle through a water medium, has a wake absorber mounted on the vehicle aft of the propulsor. The wake absorber includes an artificial muscle surface a... | 08/30/2005 |
| 6827031 | Steering system for watercraft A watercraft includes moveable sponsons that are moved in response to movements of the handlebars and the accelerator lever. The watercraft can include a number of different kinds of actuators for moving these sponsons relative to the hull of the watercraft. In pref... | 12/07/2004 |
| 6807920 | Personal watercraft having adjustable angle sponsons Adjustable angle sponsons and personal watercraft having adjustable angle sponsons. The present invention provides sponsons having at least two adjustable angular settings downward of horizontal for the sponson. Sponsons include a fin or blade having an outward edge... | 10/26/2004 |
| 6805068 | Hydrofoil system for lifting a boat partially out of water an amount sufficient to reduce drag A hydrofoil system for lifting a boat out of water an amount sufficient to reduce drag while still allowing the boat to be powered by a conventional inboard-outboard drive. The hydrofoil system includes a front hydrofoil unit, a center hydrofoil unit, and a pair of ... | 10/19/2004 |
| 6745715 | Stern flap corrective motion and fuel saving control system for marine vessels Corrective stabilizing motions are applied to a sea vessel hull during seawater travel in response to stern flap displacement by hydrodynamic forces induced at the buttock of the vessel hull and by the lower flap surfaces at the stern end of the sea vessel hull in r... | 06/08/2004 |
| 6712016 | Personal watercraft having ventilated sponsons Ventilated sponsons, personal watercraft having ventilated sponsons, and methods for adjusting the handling characteristics of personal watercraft by ventilating the sponsons. The present invention provides ventilated sponsons, sponsons, having holes formed through ... | 03/30/2004 |
| 6651579 | Personal watercraft having tuneable sponsons Tunable sponsons for personal watercraft and personal watercraft having the tunable sponsons. The present invention provides personal watercraft having sponsons with an adjustable height relative to the water surface and the hull. One adjustable sponson h... | 11/25/2003 |
| 6619224 | Marine vessel A modular marine vessel has a variable hull and a plurality of boat forming modules including a bow section module, a load section module having a bow end and an aft end, and a bulkhead forming module is detachably connected to each bow and aft end of the... | 09/16/2003 |
| 6588360 | Detachable planing enhancement system for inflatable sportboats A detachable planing enhancement system with two substantial planing surface areas attached symmetrically on the transom of an inflatable sportboat to provide a substantial lifting force thereon. The system includes a method of quick attachment and detach... | 07/08/2003 |
| 6571724 | Stern depressor type motion stabilization system for marine vessel Depressors mounted on the stern of a marine vessel are deployed by displacement from positions retracted from the seawater to positions immersed therein so as to divert exit flow of the seawater along retarded flow paths from the stern during vessel trave... | 06/03/2003 |
| 6524146 | Watercraft having auxiliary steering A control mechanism for a watercraft includes a selectively movable flap connected to an actuator, which moves the flap into and out of the flow of water to affect steering, deceleration and trimming. The flap is recessed with respect to the lower surface... | 02/25/2003 |
| 6523490 | Adjustable sponson for watercraft An adjustable sponson for a personal watercraft allows the vertical position and the angular orientation of the sponson to be adjusted to suit the particular size and riding style of each rider. Each adjustable sponson includes a sponson body. At least on... | 02/25/2003 |
| 6223674 | Gentile performance wedge (GPW) shock mitigation planning boat hull A planing boat's primary hull has an adjunct hull surface rotatably connected thereto near its forward end. The adjunct hull surface extends along the hull of the planing boat to aft of amidships and is constructed of a rigid material that conforms to the... | 05/01/2001 |
| 6182596 | System for minimizing the effects of shock and vibration in a high speed vessel A system for minimizing the effects of shock and vibration in a high speed vessel with an inner hull and an outer hull. It is a system of dampers, springs and stabilizer linkages in a high speed vessel that control the relative motion of an inner hull to ... | 02/06/2001 |
| 6174210 | Watercraft control mechanism A control mechanism for a watercraft is described herein, said control mechanism comprising a steerable propulsion source, a steering controller for controlling said steerable propulsion source, a linking member connected to said steerable propulsion sour... | 01/16/2001 |
| 6158376 | Shock reduction in planing boats A system is disclosed to reduce the impact shock associated with operating a planing boat at high speeds. The system, called "LocalFlex," comprises an outer bottom placed under the inner bottom of the boat. The outer bottom is spaced a distance from the i... | 12/12/2000 |
| 6131853 | Micro-drag generators for aerodynamic and hydrodynamic braking and control An apparatus and method for generating large drag forces on an object moving through a gas or liquid for braking and/or turning the object by deploying on the exterior surface of an object a very large number of very small surfaces that are aligned perpen... | 10/17/2000 |
| 6032605 | Adjustable sponson system for watercraft An adjustable sponson system for a watercraft includes a coupling mechanism that allows the position of the sponsons relative to the hull of the watercraft to be varied by the operator of the watercraft while seated on the watercraft. The adjustable spons... | 03/07/2000 |
| 6003465 | Lower part of the hull of a planing amphibian An improved design for the lower part of the hull of a planing amphibian. The design contains an immovable member, a dampening movable member in the form of a set of overlapping plates attached to the immovable member by the length of the front edge, and ... | 12/21/1999 |
| 5908006 | Adjustable Sponson for Watercraft An adjustable sponson for a watercraft includes a coupling mechanism that allows the angular orientation of the sponson body relative to the hull of the watercraft to be varied by the operator of the watercraft without the use of any tools. The coupling m... | 06/01/1999 |
| 5713297 | Adjustable sponson for watercraft An adjustable sponson for a watercraft includes a coupling mechanism that allows the angular orientation of the sponson body relative to the hull of the watercraft to be varied by the operator of the watercraft without the use of any tools. The coupling m... | 02/03/1998 |
