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| Number | Title | Issue Date |
| 8100079 | High performance planing hull provided with a trim tab system A high performance planing hull, designed in particular for boats with drives of fixed or non-steerable type. The hull comprises an additional volume, which is integrated in the immersed part of the stern of the hull. The additional volume extends substantially in l... | 01/24/2012 |
| 8096255 | Ship with stern equipped with a device for deflecting a flow of water The device comprises a plurality of deflector members (1) having a submerged lower face (2), called first face, generally fitting into the extension of the hull bottom (FC) of the ship, toward the rear thereof, while forming an angle (α) in relation t... | 01/17/2012 |
| 8047152 | Hinge joint for cylinder actuators of watercraft trim tabs, trim tab and trim tab control system A joint connecting a cylinder actuator of a trim tab to a watercraft includes a first part couplable to a wall of the watercraft, a second part couplable to the cylinder actuator, a pin coupled to one part and a pin seat formed in the other part. In one embodiment, ... | 11/01/2011 |
| 7958837 | Multiple trim modulation system A multiple trim modulation system for efficiently and simultaneously controlling multiple trim devices upon a marine vessel. The multiple trim modulation system generally includes a plurality of trim devices movably mounted to a watercraft and a controller adapted t... | 06/14/2011 |
| 7905193 | Trim tabs A trim tab for mounting the transom of a boat has an upper surface and an undulating bottom surface with down-turned flaps on opposite sides of the tab. The trim tab is formed of a molded composite material. The top surface includes a hinge platform at its forward e... | 03/15/2011 |
| 7631610 | Variable area trim tab and means to control water flow along a trim tab and added propeller guard including tunnel propellers A variable area trim tab which is adjustable to control its effective area of the trim tab for use on boats having any of several propulsion methods. Area control is used to vary the effective lift area of the trim tab and to control the water flowing to, or floodin... | 12/15/2009 |
| 7467596 | Trim tab control A trim tab control system determines current tab position based upon a feedback signal that represents incremental motion of the actuator drive motor. Prior to power down, the current tab position is stored in non-volatile memory, and is retrieved on power up. The c... | 12/23/2008 |
| 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 |
| 7380514 | Hull with improved trim control A boat hull has at least one rocker chute formed therein open to the water forward of the hull's transom. The chute has a leading edge forward of the transom and an interceptor plate projects downwardly from the hull at said leading edge. ... | 06/03/2008 |
| 7381108 | Trolling motor system with auto retract A boat control system includes trim tabs mounted on the lower transom of a boat, with an electric trolling motor attached to each tab. The control system controls positioning of the trim tabs within a trim range and within a troll range. If a main engine ignition sw... | 06/03/2008 |
| 7380515 | Anti-cavitation system An anti-cavitation plate actuating system incorporates pressurized air selectively applied through a control valve to an air assist cylinder. The cylinder, when pressurized, applies force to anti-cavitation plate return springs; the force is not sufficient to expand... | 06/03/2008 |
| 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 |
| 7364484 | Toy airboat A toy airboat (10) having a negative trim element (38) and an adjustable positive trim element (44) for selectively controlling the performance of the craft in varying environmental conditions such as wind speeds and wave heights. The negative t... | 04/29/2008 |
| 7338011 | Method making it possible to prevent vibration of a rudder of an aircraft and aircraft using this method A method for preventing vibration of a rudder of an aircraft may have, on a lateral aerodynamic surface of the aircraft's rudder, a protruding aerodynamic element capable of generating an aerodynamic effect tending to rotate the rudder about its articulation axis. A... | 03/04/2008 |
| 7318389 | Device and method for controlling trimming flaps on a watercraft, as well as a watercraft having a corresponding device A device for controlling trimming flaps (12, 13) of a watercraft (10), preferably having two trimming flaps (12, 13) and in each case at least one hydraulically operated for adjustment of the inclination angle (15) of the associated trimm... | 01/15/2008 |
| 7311059 | Watercraft hull with entrapment tunnel A watercraft hull has at least one bent entrapment tunnel with an aft portion whose tunnel ceiling is at a higher elevation than portions of the tunnel ceiling immediately in front of it to provide a negative angle of attack with the free surface at design planing s... | 12/25/2007 |
| 7311058 | Automated trim tab adjustment system method and apparatus A trim tab control system adapted to adjust trim tabs to optimize the velocity of a water vessel. The trim tab control system is adapted to have a tilt sensor and a velocity sensor in communication with the microcontroller where the microcontroller records the posit... | 12/25/2007 |
| 7299763 | Hull with propulsion tunnel and leading edge interceptor A boat hull has at least one ventilating propulsion tunnel formed therein open to the water forward of the hull's transom and adapted to contain a propeller of the propulsion system. The tunnel has a leading edge forward of the transom and an interceptor plate proje... | 11/27/2007 |
| 7281484 | Multimission transonic hull and hydrofield A transonic hull having a bow, a stern, a longitudinal length therebetween, side surfaces extending from the bow to outboard portions of the stern, a lower surface extending between the side surfaces, the transonic hull having a submerged volume with an approximatel... | 10/16/2007 |
| 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 |
| 7240632 | Personal watercraft center keel A personal watercraft having improved bottom hull shapes in general, and improved center keel shapes in particular. The center keel can have a substantial section over which the keel angle becomes sharper progressing from front to rear, and the concavities on either... | 07/10/2007 |
| 7228810 | Powerboat with disappearing tunnel A shallow draft boat has a hull that protects a propulsion propeller within a tunnel that passes only partially through the hull from stern to bow. The hull has a mechanism, such as a flap for selectively permitting or blocking water flow access to the tunnel from u... | 06/12/2007 |
| 7216601 | Apparatus and method for a dual hull boat with control gate The current invention is an apparatus and method for an inner and outer dual hull boat capable of transforming between different levels of planing ability. The design is a gateway in the outer hull which allows water to pass through the void between the inner and ou... | 05/15/2007 |
| 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 |
| 7188581 | Marine drive with integrated trim tab A marine drive and a marine vessel and drive combination have a trim tab with a forward end pivotally mounted to a marine propulsion device. ... | 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 |
| 7163425 | Personal watercraft A personal watercraft configured to plane on a water surface is disclosed. The personal watercraft typically includes an attitude sensor configured to detect an attitude of a body of the watercraft, a propulsion force changing system configured to change a propulsio... | 01/16/2007 |
| 7143711 | Trim tab shape control system A trim tab shape control system for a boat with a transom according to an embodiment of the present invention includes a flexible plate and a trim tab control system. The flexible plate has a forward end attached to the transom, a rearward end, and an operative bott... | 12/05/2006 |
| 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 |
| 7128014 | Watercraft compensation system A watercraft is disclosed that includes a hull, a deck supported by the hull, a propulsion system that is mounted to at least one of the hull and the deck, and a helm that is connected to the deck and configured to control the direction of the watercraft. A pole is ... | 10/31/2006 |
| 7108457 | System and method for reducing drag and vortex induced vibration in marine applications A marine riser that includes active boundary-layer control (“BLC”) for reducing hydrodynamic drag and vortex-induced-vibration (“VIV”) caused by currents. The marine riser includes at least one riser pipe surrounded by a BLC sheath. Extending through the she... | 09/19/2006 |
| 7109871 | Skier alert system with fallen skier alarm A water skier tow bar assembly includes a tow bar handle and control actuators that can be actuated by a user and indicative of a desired skier condition. A housing is connected to the tow bar and includes a wireless radio transmitter operatively connected to the co... | 09/19/2006 |
| 7013825 | Jack plate operated trim for power boats A jack plate (9) moveable upwardly and downwardly between various positions has a trim tab (28) disposed on a fixed portion (10) of the jack plate near the base of the transom (11) of a boat. The moveable portion (12) of the jack p... | 03/21/2006 |
| 7007621 | Braking system for a personal watercraft A braking system for a personal watercraft includes at least one brake plate for mounting to the transom of a personal watercraft such that the jet nozzle of the watercraft is directionally adjustable independently of the braking system. The brake plate is alternata... | 03/07/2006 |
| 7004097 | Pneumatic boat equipped with a stabilizing flap Pneumatic boat (1) including two inflatable buoyancy chambers (2) extending at least on either side and kept spaced apart by a rigid bottom and by a rear panel (6), at least one stabilizing flap (15) being secured to the base of the rear ... | 02/28/2006 |
| 6923136 | Automatic trim for power boats A trim tab (18, 204) hinged (19) at the bottom edge of a boat transom (12, 179) is rotated into a position below the boat when the drive (58, 186) is in a lowest-most trim position, and is raised up, when the drive is above a selected pic... | 08/02/2005 |
| 6895883 | 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... | 05/24/2005 |
| 6874441 | Boat with wake control A boat comprising a hull having an end portion that is curved inwardly. A plate is pivotally mounted to the boat for movement between a first position in which it extends downwardly and a second position in which it extends upwardly. ... | 04/05/2005 |
| 6875065 | Trim operating lever device for personal watercraft A trim operating lever device is disclosed which can downwardly or vertically swing a nozzle capable of adjusting the jet direction of jet water. When the trim operating lever is gripped with a finger of the hand which is gripping the steering handle, a lever of the... | 04/05/2005 |