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7568443 |
Boat rudder with integrated dynamic trim foils
A rudder and dynamic trim adjusting apparatus for a boat includes a rudder, a rudder shaft extending from the rudder and being rotatable about a longitudinal axis thereof to rotate the rudder, trim...
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7530866 |
Amphibious vehicle
A planing amphibious vehicle has at least one trim tab at its stern. A vehicle control system includes a mode change controller and a trim tab controller. The mode change controller informs the...
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7497748 |
Boat control system with return to center steering command
A boat control system includes trim tabs mounted on the lower transom of a boat, with an electric trolling motor attached to each tab. A user control provides commands to control positioning of the...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6863013 |
Boat propulsion system
A boat propulsion system includes a boat having an elongated hull with a water flow channel formed in the bottom thereof, wherein a movable trim plate is disposed within the water flow channel for...
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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...
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6684807 |
Smith Moses hydro lift flaps
The flaps ( 101 ) are fastened to the bottom of the boat, with hinges ( 122 ) and are extended under the moving boat to generate lift or cause drag. The area of the flaps ( 101 ) can be increased...
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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...
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6583728 |
Trim tab position monitor
A trim tab monitoring circuit is provided which receives a signal that is representative of a voltage potential across a stator winding of a motor which is attached to the trim tab. This signal is...
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6493905 |
Hinge system for watercraft trim flap
A hinge is disclosed comprising a mounting member for mounting to a stationary operational surface and having a hinge portion formed along the longitudinal extent of the mounting member. An...
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6227139 |
Control tab assisted lift reducing system for underwater hydrofoil surface
A hydrofoil stabilizer fixed to an underwater hull and provided with a pair of pivotally deflectable control flaps through which surface lift on the stabilizer is controlled, is provided with...
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6167830 |
Boat trim tabs
A manual trim tab for a power boat having a transom at the stern includes: a first bracket adapted to be mounted to the boat's transom near the surface of the water, the first bracket further...
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6138601 |
Boat hull with configurable planing surface
A Vee bottom planing boat hull (32) has right and left steps (44 and 46) positioned so as to optimize the boat's trim angle at top speed, and defining right and left notches (48 and 50) in which...
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6095077 |
Apparatus for motorized boat attitude adjustment
A trim tab for a boat, which includes a plate, adapted for pivotal mounting to the boat transom, the plate having a lower surface for water impact and an upper surface for attachment of a spring;...
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6089177 |
Trim tab and variable-exhaust system especially for motor boats and motor yachts
A box-like trim tab for a high-speed motor boat or motor yacht has an inlet at its side pivotally connected with the stern of the boat so that it can allow the exhaust gas or a cooling liquid of...
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6085684 |
Trim tab actuator for power boats
A trim tab control apparatus includes a switch housing that mounts to the lever of a throttle of a boat. The switch housing provides a socket that holds a dual trim tab switch arrangement in front...
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6038995 |
Combined wedge-flap for improved ship powering
The inventive combination of a stern wedge and a stern flap demonstrates hydrodynamic properties which, for purposes of enhancing the powering performance of a ship, are superior to those of either...
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6006689 |
Arrangement for dynamic control of running trim and list of a boat
The invention pertains to an arrangement for dynamic control of running trim and list of a boat, having at least one hull with a stern. The arrangement (100) has a housing member (102), an...
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5988091 |
Jet ski brake apparatus
A brake apparatus is provided for a water craft that has a rear discharge nozzle and includes a first craft attachment member attached to a portion of the water craft. A hinge assembly is connected...
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5881666 |
Watertight trim tab actuator
The present application is directed to an improved trim tab actuator. A ram adapted to be connected at a first end to the trim tab and connected at a second end to the drive. The ram has a...
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5878686 |
Pivotal afterplane having a motor positioned thereon
A propulsion apparatus for coupling to the stern of a boat is provided having at least one afterplane attached to the stern. At least one motor is positioned onto each corresponding afterplane,...
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5842895 |
Trolling motor mounting means
A trolling motor mount with a first plate hingedly connected at its front to the bottom of the boat transom, a second plate or a continuation of the first plate is connected to and extends...
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5832863 |
True track trim blades
A trim tab which is attached to the transom of a boat and which has a hydraulic ram which can adjust the angle that the trim tab assumes with respect to the surface of the water. In addition, the...
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5628272 |
Pivotable thrust vectoring transom panel
A transom flap can be deployed from the transom of an amphibious vehicle when the vessel is water borne. The transom flap is pivotally mounted and can be extended to extend into a position...
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5579711 |
Extendible thrust vectoring transom panel
A transom flap can be deployed from the transom of an amphibious vehicle when the vessel is water borne. The transom flap is pivotally mounted and can be extended to extend into a position...
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5474013 |
Trim tab auto-retract and multiple switching device
Electromechanical control circuit for causing trim tabs attached to the stern of a hull of a motorized marine vessel, and used to trim the attitude of the vessel, to be automatically fully...
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5385110 |
Boat trim control and monitor system
A boat trim control system that includes a boat having a bull and means such as trim tabs mounted to the hull for trimming attitude of the boat as the bull is propelled through the water. The...
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5329870 |
Watercraft with vertically movable hydrofoils
A watercraft employs three or more supercavitating hydrofoils. The elements that connect the hydrofoils to the hull may flex to thus raise or lower the hydrofoils relative to the hull. The relative...
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5215029 |
Hydroplaning boat accessory
A permanently fixed metal trim tab for attachment in pair combinations to the aft end of a boat. Each trim tab comprising a downwardly extending aft edge. A top surface of each trim tab comprises...
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5193478 |
Adjustable brake and control flaps for watercraft
A system for trimming, steering and braking a watercraft includes a retractable plate or flap disposed on each lateral side of the hull of the watercraft. Each flap is extendible into the water,...
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5092260 |
Personal watercraft with brakes
A personal watercraft, such as a jet ski, is equipped with a hull, an engine and propulsion and a ride plate assembly attached to the bottom section of the hull. The ride plate assembly includes a...
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5058520 |
Apparatus for influencing the position of a boat in water
An apparatus for influencing the position of a boat in water, with trim flaps disposed on either side of the longitudinal axis of the boat, the flap angles of said trim flaps always being...
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4977845 |
Boat propulsion and handling system
An improved boat construction is disclosed in which a boat, having the typical elongated hull, bow and stern, has a bottom configured as a hydroplane including a transverse step spaced from the bow...
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