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Document |
Document Title |
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7610869 |
Method and installation for loading and unloading compressed natural gas
A method and an installation for loading and unloading compressed natural gas on ships, said ships being suitable for sea navigation and the ships having receivers. The compressed natural gas is...
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7555992 |
Stabilizer apparatus and method
In a water craft, a stabilizer apparatus and method includes a stabilizer surface with a retractable arm connected with the stabilizer surface. An extension/retractor is connected with the...
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7527008 |
Ballast material and oil pollution prevention management system
The invention provides for a novel apparatus and a method to effectively manage ballast material. It comprises of a plurality of Floating Ballast Containers ( 25 ) contained within a bottomless...
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7513204 |
Fin stabilizer to reduce roll for boats in turns method and apparatus
The disclosure 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...
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7500440 |
Roll motion damping device for a floating body
The present disclosure relates to techniques for reducing roll motion experienced by a floating vessel. The disclosure reveals several different techniques for damping roll motion, which may be...
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7240445 |
Inflatable display apparatus
A display apparatus having a base portion and a display support portion extending vertically from the base portion. At least one display feature bearing at least one graphic presentation is...
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7231880 |
Vessel with a multi-mode hull
A ship having a multi-mode hull where the draft, seakeeping, and payload-carrying capacity are varied to match the requirements of the required mission. For example, the ship has a hull with first...
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7178474 |
Ballast system for boats
A hollow ballast tank contains within it a plurality of flexible bags for storing fluids such as fuel, freshwater and grey water. These fluids serve as functional ballast weight to complement the...
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7111571 |
Arrangement in a marine vessel
A marine vessel has at least two engines installed in separate respective engine compartments that are positioned substantially horizontally adjacent to each other and are separated from each other...
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6973847 |
Gyroscopic roll stabilizer for boats
A gyroscopic roll stabilizer for a boat. The stabilizer includes a flywheel, a flywheel drive motor configured to spin the flywheel about a spin axis, an enclosure surrounding a portion or all of...
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6953002 |
Boat wake system
A water craft having a bow and a stern including an engine of sufficient thrust to create an enlarged wake at the stern of the boat as the boat moves along the surface of a body of water. The...
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6769372 |
Light transport ship
The present invention provides a large transport ship in which the shape of a ship bottom 1 a from a bow 1 h to a stern 1 t , when viewed on a cross-section perpendicular to the longitudinal...
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6619221 |
Oscillation suppression device
An oscillation suppression device comprises a base body to be secured to a ship body, a gimbals secured to the base body, a damper, a flywheel provided in the gimbals, and a motor for rotating the...
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6575112 |
Elevated tow apparatus
The present invention is for an elevated tow device made of a superstructure extending skyward from a towboat, where the superstructure raises an attachment point of a tether above 10 feet from the...
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6550408 |
Method and apparatus for loading and unloading cargo from a twin-hull sea-going ship
A method of loading floatable containers onto, and discharging floatable containers from, a seaworthy vessel to facilitate the transport of cargo. The vessel includes twin hulls which lie beneath...
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6487982 |
Anti-rolling structure for box-type floating body
A floating body 1 , which is substantially rectangular when seen from above, is provided with at least a protrusion 3 on at least either of sides in a transverse direction 5 of the floating...
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6453839 |
Self stabilizing tow apparatus
When it is beneficial for a towing craft, such as a boat, to tow from a point high above its center, an airfoil can be fastened to a tether for improved roll and yaw stability. In the case of a...
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6427616 |
Wake enhancement assembly
The subject invention is a wake enhancement assembly to vary a configuration of a wake produced by the hull of a boat. The assembly preferably includes three or four fluid chambers adapted to be...
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6390733 |
Simplified storage barge and method of operation
A barge ( 14 ) that stores liquid hydrocarbon (oil) from a producing facility ( 12 ) and offloads it perhaps once a month to a shuttle taker ( 40 ), is constructed for unmanned operation except...
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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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6234099 |
Methods and means to control boat wake
A water craft including an engine of sufficient thrust to create an enlarged wake at the stern of the boat as the boat moves along the surface of a body of water, and at least one water tight...
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6220194 |
Hull construction
The present invention relates to a hull construction for a vessel, especially a drilling and/or production vessel for hydrocarbons. The invention also relates to the application of the hull...
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6213043 |
Method and device for counteracting of heeling of a vessel
A method for counteracting heeling of a vessel due to a movement of first masses on the vessel, by means of movement of second masses thereon, which movements create respective static movements...
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6158370 |
Submersible underwater vehicle ballast equalization system
A system for equalizing buoyancy of a submersible vehicle. The buoyancy elization system includes a submersible vehicle having a plurality of releasable objects. Ballast release means are...
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6073569 |
Advantageous use of battery mass in electric watercraft
Electric powered watercraft that lack an open-hull capsizable design utilize a low energy density heavy power supply for stabilization. The power mass is enclosed in one or two torpedo-like...
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6065417 |
Ship
The hull (100) of a ship with an elevated steering stand (200) is provided with a device for the leveling compensation of hull motions which, in at least one plane, compensates a hull movement in...
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6030148 |
Method for improving the feasibility of a drilling rig of jack-up type and a drilling rig of jack-up type
A method and apparatus for an improved drilling rig of jack-up type is provided. The drilling rig has a frame part comprising a working deck and an essentially plane-shaped bottom. Three feet are...
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6021731 |
Ballast system for underwater vehicle
A ballast weight system for releasably attaching a ballast weight to an urwater vehicle is disclosed where the system comprises a ballast weight, a housing disposed about the ballast weight, a...
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5941189 |
Watercraft
A watercraft has an abovewater passenger and/or cargo section as well as an underwater propulsion section. The two sections are connected by telescoping struts.
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5839386 |
Vehicle stabilizing by rotating mass
A water craft or land vehicle is stabilized against rolling and pitching forces by a mass or masses rotating about a vertical axis. The mass or masses are distributed along the vertical axis so...
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5832856 |
Monohull fast ship with improved loading mechanism
The invention is a monohull fast ship. The ship includes a hull producing a high pressure area at a bottom portion of a stern which rises from a point of maximum depth forward of a longitudinal...
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5769020 |
System and method for stabilizing multiple flatforms onboard a vessel
Platforms on a vessel in motion are stabilized relative to one another and relative to the vessel. Primary sensors sense the position and orientation of the vessel's center of mass, which it uses...
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5713163 |
Vibration damping apparatus
A vibration damping apparatus includes a frame having a rail member and end plates at longitudinal ends of the rail member. The frame is a hollow box-shaped element or a hollow tubular element. The...
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5586512 |
Ship's hull vibration damper
There is described an apparatus for inclusion in a ship comprising a mass (10), that is vibrationally coupled to the ship's hull (12) such that movement of the mass is dampened. The mass (10) is so...
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5429062 |
Rapid bailing device
A bailing device is used with a watercraft having a hull adapted to sit in a body of water and having a deck normally above a waterline defined by the body of water and formed centrally with a...
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5379713 |
Stabilizer
A stabilizer for a ship includes a track shifting mechanism, pulleys fixed on the track shifting mechanism, pulleys fixed on the ship and a continuous running body such as belt or chain running in...
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5305561 |
Inflatable housing structure
A floating inflatable structure is used to house a vessel for repair while it is afloat. The structure has inflatable walls containing water ballast. The height of the structure above the water can...
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5129343 |
Monohull fast ship
A vessel (10) has a semi-displacement or semi-planing round bilge hull (11) characterized by low length-to-beam ratio (between about 5.0 to 7.5) and utilizing hydrodynamic lift. The bottom (15) of...
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5080032 |
Monohull fast sealift or semi-planing monohull ship
A vessel (10) has a semi-displacement or semi-planing round bilge hull (11) characterized by low length-to-beam ratio (between about 5.0 to 7.0) and utilizing hydrodynamic lift. The bottom (15) of...
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5076190 |
Small watercraft
A watercraft has a center part of the aft deck protruding upwardly to form a saddle, and the top of the deck in front of and on both sides of said saddle is formed into a continuous U-shaped...
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5051744 |
Boat alarm system
An alarm system for a boat includes a sensor unit which is securable to an exterior hull surface of a boat for sensing increased displacement of the boat in the water, such as caused by...
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4998966 |
Small watercraft
A small watercraft has a hull formed such that the center of buoyancy is slightly aft of the structural center measured in the longitudinal direction of the hull. The craft is equipped with an...
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4986204 |
Oscillationless semisubmerged high-speed vessel
An oscillationless semisubmerged high-speed vessel comprises at least one lower hull submerged below the water surface in the cruising state of the vessel, an upper hull above the water surface and...
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4926778 |
Aerodynamic stabilization system for watercraft
A high speed planing watercraft includes a pitch stabilization system having variable pitch canard airfoils controlled by a control system incorporating a gyroscope for accommodating constantly...
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4919067 |
Self-righting monohull vessel
A planing type self-righting boat having rigid pontoons forming its perimeter structure independent of interior inflation and which, during the vessel's normal operation, protect conventional or...
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4898288 |
Semi-submersible crane vessel
A semi-submersible crane vessel has a chamber (3) which is open to the sea at the bottom. A piston (4) is movable up and down in the chamber by means of hydraulic jacks (5 and 6) acting on piston...
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4841896 |
Beach submarine
A submarine includes a body and two ballast tanks. The ballast tanks are moveable from an up or diving configuration to a down or beach configuration. With the ballast tanks in the diving...
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4798157 |
Drogue associated with a guidance system
The drogue (1) has a steering system (8) which may be assisted by a rudder (4). The drogue is steered by varying the towing angle by applying a longitudinal differential force to the rope (6). The...
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4760813 |
Device for eliminating disturbing heeling of ships at loading and unloading
A device for eliminating the risk of disturbing heeling at loading and unloading of a ship (10) lying at a quay (12). The device includes a motor-operated winch (18) on the ship, the winch having a...
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4759307 |
Tanker ballast
In order to reduce the economic impact of segregated ballast requirements for tanker vessels, heavy ballast, for example concrete, is placed in the segregated ballast tanks in amount to occupy 30...
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