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8136465 |
Apparatus and method for reducing motion of a floating vessel
A vessel (2) comprises a first stabilizer assembly (14) and a second stabilizer assembly, each stabilizer assembly comprising at least one submergible at least partially hollow body; and suspending...
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8136470 |
System and method for modifying the net buoyancy of underwater objects
Buoyancy is controlled in a tethered object by pumping fluids, either of a first or second specific gravity, from an external source into either a first or second containment chamber to change the...
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8123579 |
Protection of apparatus for capturing wave energy
For protecting surface floating wave energy converters (WEC's) against surface turbulence, the WEC's are removed from the water surface. For reducing the force required, the WEC's include a hollow...
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8087370 |
Ship stability recovery system and car carrier equipped with the same
[Object] Conventionally, measures for securing stability of a ship when it is damaged are required. [Solution] The invention is characterized by having a remotely openable seawater inlet means...
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8051791 |
Helicopter landing platform having motion stabilizer for compensating ship roll and/or pitch
A motion compensation system for a helipad on a vessel includes a sensor for measuring a parameter related to at least one or pitch and roll of the vessel. The system includes a first actuator...
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8047154 |
System for changing the attitude of linear underwater sensor arrays via neutrally buoyant fluid transfer
The attitude of a submerged array of sensing elements can be changed using a fixed quantity of transferable ballast fluid having density different than water. In one embodiment, a non-rigid array...
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7987805 |
Neutrally buoyant submerged system using lesser density ballast fluid
The invention provides a means by which the attitude or orientation of a submerged object can be changed or altered using a fixed quantity of transferable ballast fluid which has a density less...
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7984685 |
Neutrally buoyant submerged system using greater density ballast fluid
The system provides a means by which the attitude or orientation of a submerged object can be changed using a fixed quantity of transferable ballast fluid which has a density greater than that of...
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7966959 |
Permeable hull to mitigate impact load in water
The invention is directed to an apparatus for mitigating the load impact on a surface watercraft and passengers therein, during high speed travel. The hull includes a damping cavity for mitigating...
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7918174 |
Anti-sloshing device in moon-pool
An anti-sloshing moon pool structure is disclosed. The anti-sloshing moon pool structure of the present invention includes moon pool plates (112, 114 and 116), which are provided on a bow-side wall...
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7900570 |
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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7890226 |
Apparatus and method of vessel emission management
An emission management system (200) for a vessel (100) adapted to travel on water. The emission management system includes a monitoring assembly (202) for monitoring an emission from the vessel....
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7661381 |
Self-righting pool cleaning robot
A vehicle includes a submersible housing and a propulsion mechanism, which is coupled to drive the housing over an interior surface of a container in which the housing is submerged. A hollow tube...
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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 water...
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6769372 |
Light transport ship
The present invention provides a large transport ship in which the shape of a ship bottom 1a from a bow 1h to a stern 1t, when viewed on a cross-section perpendicular to the longitudinal direction...
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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 body 1...
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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 during...
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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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