Matches 1 - 50 out of 212 1 2 3 4 5 >
Match Document Document Title
7591230 Rudder for ships  
In a rudder for ships composed of a rudder blade with a rudder post ( 40 ) held and supported in a rudder trunk ( 20 ), the rudder trunk ( 20 ) is made of a fiber composite material and is inserted...
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...
7544109 Propelling system for boat  
A propeller system for a boat includes a housing adapted to be mounted to a stern of the boat and having a receiving chamber inside and waterway at the bottom side thereof, a propeller rotatably...
7540253 Boat steering system  
A boat steering system provides an operator with excellent efficiency and an excellent operation feel during direction guide member deflection by considering and making adjustments based on a...
7536968 Hull and steering mechanism for a marine vessel  
A combined hull and steering mechanism for a marine vessel has a substantially rectangularly-shaped upper hull joined to a lower hull that is dual-tapered from its sidewalls to both its forward and...
7509918 Rudder post for rudders for water vehicles  
The rudder post ( 40 ) for rudders for water vehicles has end sections ( 41, 42 ) made of a metallic material, in particular of wrought iron, and a mid post section ( 45 ) made of a nonmetallic...
7469168 Rudder control system with adjustable solenoid on/off settings, solenoid burnout protection, and hydraulic system monitoring  
A rudder control system having adjustable rudder drive turn off and “turn on,” and component wear monitoring. The rudder drive “turn off” being adjusted in accordance with the rudder stop...
7455311 Rudder trailer hitch cover  
A Rudder Hitch Cover that simulates a sailboats rudder assembly in appearance and motion. The Rudder Hitch Cover attaches to a vehicles trailer hitch in such a way as to be easily removable. The...
7430976 Twist and stow rudder  
A retraction system for rudders for small boats having a deck comprising a rudder means connecting said rudder to the rear of a boat enabling said rudder to pivot on an axis such that when...
7418912 Steering system and an associated vessel  
A steering system for a vessel is provided. The steering system includes an electric motor assembly and a steering linkage for transmitting the rotational output of the electric motor assembly to...
7370593 Windsurfing catamaran vessel  
An improved windsurfing catamaran type vessel. The illustrated vessel has an improved steering mechanism that includes a relatively stiff but bendable plastic rod that is directly received within...
7337740 High load balanced rudder  
It is proposed in order to create a high load balanced rudder ( 100 ) with a rudder blade ( 10 ), whereby the rudder blade ( 10 ) is rotatable over a rudder post ( 11 ) and the rudder post ( 11 )...
7255057 Ramp for pontoon boat  
A ramp for a pontoon boat on which a boat user can come and go from it without having to get wet. Rotatably attached to the outboard end of the ramp is a cylindrical float which not only keeps the...
7200973 Wire reinforced thermoplastic coating  
A structural reinforcing layer made from wire, a structural reinforcing composite layer made from wire, and the resulting load bearing structures made from or retrofitted with wire reinforced...
7172473 Rudder indicator  
A rudder position indicator apparatus includes a cam mounted on a steering linkage of a watercraft. The steering linkage is or an outdrive. When the rudder or an outdrive is in a straight position,...
7165501 Sail conversion kit and method for small watercraft  
An assembly for converting a non-sailing boat to a sailboat comprises a sailing keel adapted to be removably attached to the keel of a boat, a first and a second support frame, one or more straps...
7156034 Steering system for boat  
A steering system for a boat can include a main switch for turning power on and off, an emergency stop switch for stopping an engine, a steering wheel for operation by an operator, a steering wheel...
7143715 Outboard skeg  
This invention can be fitted to a variety of vessels and accommodate a variety of accessories that may require deployment or retraction such as electronic equipment, downrigger or an outboard skeg...
7128011 Remote tiller controller  
A remote tiller control system includes a drive unit mounted to the tiller. The drive unit is adapted to move the tiller back and forth when selectively powered. A handheld remote control...
7121220 Steering mechanism for watercraft  
The invention relates to an apparatus for and method of automatically actuating the movement of a rudder of a watercraft between a steering and a non-steering position in response to the speed of...
7112109 Propulsion system for ships, in particular for cruise vessels  
For avoiding a high permanent load of the main and control drives rotatable around the vertical axis for ships for the straight forward sailing by a small and compact course keeping rudder system...
7063031 Wake control device for boat  
A wake control device for a boat, including a mounting member pivotally securable to the boat aft for pivoting about a first axis substantially transverse to the boat aft, a rudder member secured...
7018252 Watercraft control mechanism  
A watercraft includes a watercraft control mechanism that is capable of steering, decelerating, and/or trimming a watercraft without causing the stern to elevate and the bow to dive; steers or...
6966808 Power surfboard  
A power surfboard is disclosed to include a surfboard equipped with an engine and a propeller for propelling on the sea against sea waves, a rudder pivotally provided at the bottom side of the...
6945186 Rudder with sliding pivoting piston coupling  
The invention relates to a rudder for sea vessels, consisting of a main rudder and a fin which is coupled thereto by means of a vertical piston ( 15 ), restrictively guided by the main rudder and...
6938567 Multi-functional sailboard  
A multi-functional sailboard includes a body having a seating section and a dagger. A mast section is connected to the bow of the body and is movable between raised and lowered positions. The mast...
6880478 Two degree of freedom rudder/stabilizer for waterborne vessels  
A method and apparatus for steering a vessel comprising a member rotatable around a first and a second axis.
6868317 Steering control system and method for watercraft  
A steering system for a watercraft provides a position command signal indicative of a position of a rudder. An azimuth or location sensor senses an azimuth or a location of the watercraft,...
6739276 Replaceable, reflecting kayak rudder system with pedal and trim adjusting features  
An improved rudder system and pedal system for use in a watercraft such as a kayak. The rudder assembly includes a rudder housing having a push rod operably linked to a rudder blade positioned in...
6733349 Jet propulsion boat  
A jet propulsion boat having a longitudinally disposed tunnel comprises a drive unit for powering a screw propeller, and a pressure chamber with a constricting passage for housing the propeller....
6702630 Auxiliary keel system for marine crafts powered by jet propulsion systems  
The invention relates to an auxiliary system for providing positive steering to marine crafts using jet propulsion systems, typically personal jet driven watercrafts such as jet boats and jet skis....
6695654 Retractable rudder system for water jet pump vessels  
The invention discloses a retractable rudder device attached to the water jet nozzle of a watercraft. In a non-deployed condition, the rudders are latched in position and completely out of the...
6691633 Pontoon paddle boat  
A collapsible pontoon paddle boat that includes inflatable pontoons that may be deflated, and a series of frame pieces that may be disassembled. The frame structure includes metal tubes that snap...
6684804 Rudder construction  
A rudder construction for use particularly in light vessels, for example, in kayaks, and including a rudder blade ( 1 ) attached permanently to the hull ( 11 ) of the vessel and equipped with a...
6687579 Flexible and fault tolerant networked steering system  
A marine vessel steering system having a bus to which an autopilot interface unit (AIU) containing an autopilot function is coupled. The system having at least one steering location at which...
6578506 Aft hung hydrofoil for reduction of water resistance of partially immersed sailing vessels  
The invention features a hydrofoil device for reducing wake formation on a partially immersed hull of a sailing or motor vessel.
6516739 Watercraft  
A tugboat with a forwardly-facing rudder and roller at the stern, and a propulsion drive disposed at either the bow or the stem that generates a high transverse force for towing large ships on a...
6443785 Method and apparatus for self-deploying rudder assembly  
A self-deploying rudder assembly for use with a water craft including an exhaust port having a exhaust stream includes a mounting assembly and a pivoting rudder blade assembly. The pivoting rudder...
6428372 Water jet propulsion unit with retractable rudder  
A jet-powered watercraft has a water jet propulsion unit driven by a powerhead and a rudder pivotably mounted to the water jet propulsion unit. The rudder is pivotable between a retracted position,...
6415729 Side plate rudder system  
The present invention relates to an improved steering system for a water craft and an improved method of steering. The steering system includes at least two variable camber plates or rudders...
6336834 Self-deploying rudder for high speed maneuverability of jet-powered watercraft  
A rudder assembly is attached to the nozzle of a jet-powered watercraft by a spring-loaded pivot so as to turn with the nozzle when the craft is steered. The rudder assembly has two flat plate...
6332816 Jet-propelled boat  
In a jet-propelled boat, a nozzle of a jet pump is constructed so as to be rotatable in response to steering by a rider of the boat in order to change a course of the boat. A rudder, that does not...
6314900 High-velocity rudder  
A rudder, especially for water vessels, which in its one end is connected with the vessel's hull (1) and comprising a main rudder blade (3) and rudder flaps (5, 6) arranged to be turnable with...
6264518 Paddle wheel boat  
The vessel of this invention has a relatively uniform weight distribution throughout the length of the vessel which maintains a level trim under all operation conditions thereby maximizing the...
6227131 Sailboat rudder having a monocoque structure  
A rudder for a sailboat or other vessel formed by a lightweight core having the combined shape of the blade and the stock of the rudder, and a fiber-reinforced resin skin enveloping the core and...
6199499 Manually operated catamaran vessels, steering apparatus for such vessels and method of steering such vessels  
A catamaran-type sailboat with a steering mechanism preferably located at the level of the catamaran deck. This steering mechanism may include a rotatable or generally linearly moveable pad or...
6201483 Boat steering centered indicator  
A steering position indicator system for a boat provides the boat operator with a signal to indicate when the boat's steering control means is centered with respect to the boat's centerline. The...
6182594 Towable innertube accessory with rudder  
An innertube accessory that facilitates towing an innertube by a boat. The accessory includes a shell for receiving any size innertube and attaching it. The accessory is suitable for being towed by...
6101963 Rudder tab for suppression of tip vortex cavitation  
Cavitation of a hydrofoil element, such as the rudder of a marine vessel, om exposure to a body of water during onset flow at different angles to the chordal axis of the rudder profile, is...
6086437 Blow back rudder for a water craft  
A blow back rudder consisting of a rudder blade, rudder shaft and a plate assembly that is pivotally mounted to the nozzle of a jet nozzle of a personal water craft is spring biased in the steering...
Matches 1 - 50 out of 212 1 2 3 4 5 >