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Class 114/121 - BALLASTING


Subclass of Class 114 - Ships
Definition: Devices designed to steady and trim vessels, prevent careening,
No. of patents: 83
Last issue date: 01/03/2012


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NumberTitleIssue Date
8087370Ship 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 provided to a lowermost watertight deck that forms a void space at...
01/03/2012
7966959Permeable 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 the load impact on the surface watercraft. The damping cavity is posi...
06/28/2011
7555992Stabilizer 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 retractable arm for extending and retracting the retractable arm beneath the ...
07/07/2009
7513204Fin 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 machine gun is mounted to the bow of the boat and targets are adapted t...
04/07/2009
7333064System and method for pointing and control of an antenna
A method is disclosed for directing an antenna mounted in a restricted radome on an aircraft. The method can include the operation of determining whether the antenna is directed in a keyhole. A further operation can involve controlling the antenna using an elevation...
02/19/2008
7327286Marine vessel monitoring system
The marine vessel monitoring system of the present invention enables marine vessel owners to monitor their vessels when they are unable or unavailable to personally do so. The system of the present invention provides an efficient method for inspecting and repairing ...
02/05/2008
7231880Vessel 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 and second hull portions and with an interconnecting hull structure, ...
06/19/2007
7178474Ballast 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 ballast weight provided by seawater which fills the remaining volume o...
02/20/2007
7168381Vessel hull and method for cruising at a high Froude number
In one aspect of the invention, a vessel has a liquid-plane greater than one meter2/(metric ton)2/3 and includes a hull having a total length and a plurality of hull portions each having a length that is less than the total length. Each hull po...
01/30/2007
7152544Ballast system for tension leg platform
An apparatus and method for ballasting and de-ballasting a vessel having a hull with several watertight ballast compartments. In a first embodiment, a pressure tank is isolatably and fluidly coupled to a common sea chest, to the atmosphere, to ballast compartments v...
12/26/2006
7111571Arrangement 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 by a wall structure defining at least one opening provided with a fl...
09/26/2006
7055446High-Froude hull ship
A large-waterplane-area ship operable to efficiently operate at a high-Froude velocity. In one embodiment of the invention, a large-waterplane-area ship includes a hull structure having a plurality of exclusive hull portions protruding from a main body of the hull s...
06/06/2006
7036449Man-made island resort complex with surface and underwater entertainment, educational and lodging facilities
A self-sufficient man-made island complex having a plurality of interconnected islands housing a theme resort simulating a tropical paradise in which the guests have a multitude of activities in which they interact and learn about nature and particularly marine life...
05/02/2006
6973847Gyroscopic 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 the flywheel and maintaining a below-ambient pressure or containing a ...
12/13/2005
6953002Boat 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 tight compartment is positioned to carry water below the wate...
10/11/2005
6923131Windsurfing catamaran with dynamic shock dampened rig centering keel and hull support
A windsurfing catamaran with a self-stabilizing wing. The wing is moved to the correct position by counter balancing water pressure from a rotating central keel connected to a central mast. The keel rotates in the opposite direction of the wing when the wing is move...
08/02/2005
6912965Semisubmersible trimaran
A semisubmersible trimaran for use in an afloat sea base is disclosed. The trimaran has an upper deck structure 12 supported on a longitudinal center hull 26 and column-stabilized, longitudinal outrigger pontoons 28. The center hull 26 an...
07/05/2005
6907800Shaftless gyrostabilizer for aerial platforms
Gyrostabilizer methods and apparatus having simultaneously counter-revolving masses that do not require physical shafts or axles. The stabilizer can have dual counter-revolving concentric rings, or tracks filled with weights such as spherical balls, that are propell...
06/21/2005
6769372Light 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 of the ship bottom 1...
08/03/2004
6619221Oscillation 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 flywheel, etc. The gimbals is supported by bearings built ...
09/16/2003
6575112Elevated 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 waterline, where the towboat is 25 feet or less in length...
06/10/2003
6550408Method 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 the water's surface, a device for controlling the draft and...
04/22/2003
6487982Anti-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 at a level lower than a waterline 4....
12/03/2002
6453839Self 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 wakeboarder, the upward tow angle afforded by a tall tower im...
09/24/2002
6427616Wake 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 disposed within the hull of the boat. The fluid chambers can...
08/06/2002
6390733Simplified 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 the once-per-month unloading. The barge has a permanent nona...
05/21/2002
6354237Coordinated 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 of the boat, or raise the stern side of the boat in relati...
03/12/2002
6234099Methods 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 compartment positioned below the waterline having a sealable op...
05/22/2001
6220194Hull 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 construction according to the invention. The invention is especia...
04/24/2001
6213043Method 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 upon the vessel's center of gravity. The movement of the seco...
04/10/2001
6158370Submersible 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 positioned on the submersible vehicle, and a plurality of ballast ...
12/12/2000
6073569Advantageous 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 structures that are mostly or completely submerged. The structure...
06/13/2000
6065417Ship
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 the pitching direction, in the rolling direction and in the...
05/23/2000
6030148Method 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 provided in the frame and are operated by lifting devices. ...
02/29/2000
6021731Ballast 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 fairing connected to the ballast weight to facilitate a flush...
02/08/2000
5941189Watercraft
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....
08/24/1999
5839386Vehicle 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 that the center of the overall mass lies on the roll and pitc...
11/24/1998
5832856Monohull 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 center of the hull to a point of minimum draft at a transom w...
11/10/1998
5769020System 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 as a common reference. Secondary sensors sense local platfo...
06/23/1998
5713163Vibration 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 rail member defines a downwardly arcuate surface. The fra...
02/03/1998
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