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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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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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7131386 |
Marine propulsion system with pressure compensated hydraulic supply capability
A hydraulic system for a marine vessel incorporates a single hydraulic pump that can be driven by either first or second motive devices, such as an internal combustion engine or an electric motor....
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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...
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6823812 |
Trim tabs and surface drive propeller bite control
A trim tab of resilient material affixed in a cantilever fashion at the stem of a boat and of a regressive flexural stiffness such that when deflected, the undersurface of the trim tab assumes the...
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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...
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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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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...
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6354237 |
Coordinated trim tab control system for a marine vessel having port and starboard trim tabs
A trim tab control system is provided in which four buttons or switches are provided for the marine operator in which the operator can select to raise the bow, raise the stern, raise the port side...
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6264513 |
Wireless marine control system
A wireless remote control system for extending the control functions of the electrically actuated control systems of a boat including a plurality of transmitters and receivers, each transmitter...
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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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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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5806455 |
Trim adjusting device for planing hull
Trim adjusting device for planing hull, also called "flap", the inclination of which is adjusted by control means placed inside the hull. The control means include at least a piston having a...
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5549071 |
Ski tow boat with wake control device and method for operation
An inboard power boat for towing water skiers is disclosed which incorporates a wake control device. The boat has a hull configuration in which the stern portion has a flat or semi-flat bottom. The...
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5524567 |
Trimming device for a water borne vessel
A trimming device for a water borne vessel comprising a trim tab which is adapted to be pivotally mounted to the vessel so as to be at least partially submerged in use, at an inclination such that,...
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5474012 |
Automatic control for trim tabs
Adjustment is made of the position of a marine transportation system including a boat having a drive, a trimmable port tab and a trimmable starboard tab. The operation of the marine transportation...
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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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5383419 |
Watercraft trim system
A watercraft trim system having port and starboard trim flaps which mount near the stern. The trim flaps are independently operated by pneumatic operators. The pneumatic operators are governed by...
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5315951 |
Means for improving the performance of planing-type boat hulls
An improved hydrofoil system is provided for boats with planing-type hulls Two hydrofoils, one mounted adjacent to each chine, are provided in a submerged position. The attack angle of each...
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5263432 |
Automatic trim tab control for power boats
Adjustment of a power boat's trim tabs is automated throughout all phases of the operation of the boat. The boat's speed and/or the revolutions of its engine(s) are sensed and used by electronic...
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5117741 |
Double wall hydraulic cylinder
An improved double wall cylinder includes a neck which extends along an axis generally coincident with the longitudinal axis of the cylinder. This neck supports an outer wall and an inner wall and...
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5113780 |
Automatic boat trim tab control
A boat trim control system that includes a pair of trim tabs pivotally mounted to the stern of a boat hull, and an engine responsive to application of electrical ignition power for powering the...
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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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4967682 |
Stabilizing system for a boat
At least two trim tabs 12 are mounted on the transom 11 symmetrically on each side of the longitudinal axis of the hull 10. Each trim tab 12 includes a plate 15 mounted on at least two rocker arms...
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4909175 |
Boat with trimmable bottom
A resilient trim plate which, when mounted in cantilever fashion on the bottom of a boat and when adjusted, provides for trimming of the boat when the boat is underway and moves over the water. The...
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4854259 |
Improved trim-tab control system for power boats
An improved trim-tab control for boats has for each trim tab a yoke movably secured to a frame, a mechanical link between the yoke and the trim tab such that yoke and trim tab move in unison, a...
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4836124 |
Mounting assembly with trim plate for outboard motors
A mounting assembly for an outboard motor includes a motor mount having a transom mounting bracket attachable to a boat transom and a motor supporting bracket spaced aft of and pivotally connected...
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4781632 |
Anti-ventilation plate
A marine drive (2) is provided with an anti-ventilation plate (22) having a forward horizontal portion (24) and an aft portion (26) extending downwardly at an angle (28) to horizontal and...
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4742794 |
Trim tab indicator system
A trim tab indicator system comprising a pair of trim members hinged to the stern of a boat, one of each side of the center line of the boat and a hydraulic cylinder individual to each trim member...
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4644893 |
Position indicating apparatus for use in a boat leveling system
A boat leveling systems with a pair of trim tabs pivotal between a horizontal position and a downwardly inclined position. Each trim tab is actuatably between the horizontal and inclined positions...
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4597742 |
Trimming arrangement for planing hulls
An improved trimming arrangement is disclosed which is particularly suited for use with a craft having planing hull with a marine drive. In one embodiment, the trimming arrangement includes a...
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4519336 |
Rear extension for boat hull
An attachment for forming a rearward extension of the hull of a boat is secured to a transom of the boat to form an extension of an underside portion of the hull and comprises a hollow body having...
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4406635 |
Marine vessel with at least one propeller
Essentially one-half of the circumference of the propeller of the marine vessel is arranged in a tunnel having a flow-favorable cross-sectional configuration which follows the flow lines of the...
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4261278 |
Gyro-controlled pitch stabilizing system
Pitch of a vessel is controlled by trim tabs mounted on the stern of the vessel. The trim tabs are hinged along an axis transverse to the fore-aft direction of the vessel. A hydraulic system...
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3814044 |
BOAT LEVELER TAB
A boat leveler member formed of a single molding of plastic material integrally hinging together the hinge bracket and the leveler tab, with motor piston hinge bosses integrally molded to the tab...
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3709179 |
HIGH SPEED BOAT
A boat for operating at high speeds even in water having waves of moderate to large height, comprising a pair of laterally spaced hull sections connected by a body. The rear portion of each hull...
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3695204 |
POWER BOAT WITH TRIM TABS
A boat with a pair of trim tabs adjustably mounted thereon and control means for changing the orientation of each trim tab with respect to the boat independently of the other. The control means...
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3650310 |
COMBINATION BOAT TRIM TAB AND HEAT EXCHANGER
A combination boat trim tab and heat exchanger for an engine driven boat in which the trim tab body is hollow and has an inlet and outlet connected to the hollow interior and is adapted to be...
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3641965 |
TRIM INDICATOR SYSTEM
A system for indicating to the boat driver the trim angle at which his stern drive is set. The system incorporates a variable resistor which is enclosed in waterproof housing. The housing is...
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3628485 |
PLANING BOAT WITH STEPPED HULL
A planing boat having a step near the stern, with the bottom aft of the step normally out of water. The boat is provided with one or more trim flaps attached along their forward edges to the...
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3589323 |
THROUGH-THE-BOTTOM BOAT LEVELER CONSTRUCTION
A through-the-bottom boat-leveling construction incorporating stabilizing tabs for pivotal mounting to and beneath the bottom of a boat, cylinder units including fluid actuated spring return...
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3584590 |
CATAMARAN POWER BOAT
A catamaran power boat has two spaced apart hulls interconnected by a substantially flat deck. Straddle-type pedestal seating is provided along the fore and aft center line of the deck with a...
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3581503 |
METHOD OF INCREASING THE LIFE OF GAS BUBBLES
Method for coating bubbles of hot gaseous products being injected into cold liquid medium for propulsion for purposes of prolonging the life thereof and enable optimizing release of the energy of...
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3577948 |
STABILIZER TRIM ATTACHMENT FOR POWER BOATS
An attachment for a power boat which fits on the transom or stern of the boat and comprises a pair of trim tabs hinged at the transom and extending rearwardly therefrom, and which may be swung...
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3543314 |
BOAT APPARATUS
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3515087 |
PLANING BOAT
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