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| Number | Title | Issue Date |
| 7565876 | Marine vessel control system A marine vessel control system includes a primary marine propulsory mechanism attached to the vessel and an intelligent vessel control system. Also included is an attitude sensor linked with the intelligent vessel control system. An actuating system responding to an... | 07/28/2009 |
| 7527009 | Method for damping of the rolling motion of a water vehicle, in particular for roll stabilization of ships A method for damping of the rolling motion of a water vehicle, in particular roll stabilization of a ship with at least one propeller, comprising a rotating wheel body, which bears axis parallel blades on the outer circumference, the blades being pivoted around thei... | 05/05/2009 |
| 7516712 | Vertical damper for mooring vessels A vertical damping system for a plurality of water vessels for diminishing the relative vertical movement between two or more water vessels moored in a skin-to-skin orientation. The vertical damping system may include one or more vertical damping devices, each devic... | 04/14/2009 |
| 7458329 | Hydrogyro ship stabilizer and method for stabilizing a vessel An apparatus for stabilizing a vessel is provided. The apparatus, or “hydrogyroscope,” includes a liquid container disposed along the hull of a floating vessel. The liquid container provides a rotational flow path therein for a spinning liquid mass. The liquid c... | 12/02/2008 |
| 7370594 | System for reducing the roll of a boat Two fuel tanks are situated on opposite sides of the central longitudinal axis of a boat. An inclinometer generates electric signals indicating the inclination of the boat about its longitudinal axis. The two tanks are connected hydraulically by at least one pipe wi... | 05/13/2008 |
| 7316193 | Vessel for water travel A vessel for water travel that has the stability of a heavy weighted vessel when at rest in the water and the performance of a lightweight vessel when in a planed condition. The vessel comprises at least one hull structure for partially submerged flotation in a body... | 01/08/2008 |
| 7293516 | Apparatus for reconfiguration of a variable-draft vessel A vertical translation mechanism for reconfiguring the hull form of a reconfigurable vessel having independently movably side hulls and a center hull is disclosed. The vertical translation mechanism includes a hydraulic-force actuator and a nonmetallic bearing. The ... | 11/13/2007 |
| 7263942 | Fin stabilizer for vessel and control method and control program therefor An object is to suppress the rocking motion of a vessel body with a high level of accuracy by obtaining a required lifting force. A torque calculation section 27 calculates a torque of a fin 11 based on the pressure of a hydraulic cylinder 12. T... | 09/04/2007 |
| 7240630 | Gyrostabilizer for small boats A gyrostabilizer system that counteracts the natural rolling motion of a small boat or vessel. The invention constitutes an improvement in prior art systems of this type in that the system weighs less because it has a much lighter rotor made of composite materials s... | 07/10/2007 |
| 7197958 | Energy storage flywheel retention system and method An energy storage flywheel system includes a flywheel assembly that is rotationally mounted in a housing assembly, and one or more actuator assemblies. The actuator assemblies are configured to selectively engage and disengage the flywheel assembly. When the actuato... | 04/03/2007 |
| 7117810 | Platform structure The invention relates to a floating platform (1) for offshore drilling or production of hydrocarbons, comprising a topsides (2) and a substructure (3) having a lower pontoon (4) and columns (5) connecting the pontoon (4) to ... | 10/10/2006 |
| 7011472 | Semi-submersible offshore vessel A semi-submersible offshore vessel including a rectangular ring-pontoon having a first transverse pontoon section at a first end of the vessel and a parallel second transverse pontoon section at a second end of the vessel, and two parallel pontoon sections extending... | 03/14/2006 |
| 6978728 | Active roll stabilization system for ships The invention relates to an active roll stabilisation system for ships, comprising at least one rotatable stabilisation element extending below the water line, sensor means for sensing the ship's movements and delivering control signals on the basis thereof to drivi... | 12/27/2005 |
| 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 the flywheel and maintaining a below-ambient pressure or containing a ... | 12/13/2005 |
| 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 the lower flap surfaces at the stern end of the sea vessel hull in r... | 06/08/2004 |
| 6655308 | Passive stabilizer for floating petroleum-production systems The present invention relates to a passive stabilizer (3) which is installed in the lower part of a tanker used in floating production systems which make use of a mechanism which enables the tanker (1) to rotate about a vertical axis (turret). The stabili... | 12/02/2003 |
| 6652193 | Swaying reduction apparatus and floating body therewith The motion reducing apparatus has an orthorhombic shaped floating main body, a horizontal plumb plate supported horizontally on one side section of the floating main body by stay members, and flow sections for flooding with incoming water are provided bet... | 11/25/2003 |
| 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 flywheel, etc. The gimbals is supported by bearings built ... | 09/16/2003 |
| 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 along retarded flow paths from the stern during vessel trave... | 06/03/2003 |
| 6561110 | Passive stabilizer for floating petroleum-production systems The present invention relates to a passive stabilizer (3) which is installed in the lower part of a tanker used in floating production systems which make use of a mechanism which enables the tanker (1) to rotate about a vertical axis (turret). The stabili... | 05/13/2003 |
| 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 at a level lower than a waterline 4.... | 12/03/2002 |
| 6382121 | Boat ballast system A ballast system for a sailing boat includes an elongate body having a first end and a second end. A mounting is provided at the first end of the elongate body for suspending the elongate body from a hull of a sailing boat. A ballast weight is positioned ... | 05/07/2002 |
| 6367400 | Stabilization apparatus for ship movement A stabilization apparatus for ship movements has adjustable stabilizers, drive devices by means of which the position of the stabilizers can be adjusted, a control device by means of which control signals corresponding to the required positions of the res... | 04/09/2002 |
| 6240869 | Watercraft stabilization apparatus Stabilization apparatus (12) for a watercraft (10) having a hull (14), including at least one hydrofoil (20) with a leading edge (22) and a trailing edge (24), the edges defining a chord (26) extending therebetween, the at least one hydrofoil being mounte... | 06/05/2001 |
| 6102625 | Wave dampener for floating structures A dampening device for dampening the vertical wave-induced motion component of a floating structure. The dampener projects in the form of a skirt down below the bottom of the floating structure (11) and consists of a plurality of channels (47) which exten... | 08/15/2000 |
| 6019056 | Anti-rolling apparatus An anti-rolling apparatus according to the present invention includes rail members which are formed in straight form and disposed perpendicular to a rolling axis of an object whose rolling is to be reduced, a movable weight capable of reciprocating along ... | 02/01/2000 |
| 5839693 | Aircraft refueling system A refuelling system for aircraft, and in particular to a cellular system for refuelling long range aircraft crossing oceans. A floating refuelling station for aircraft includes at least one container hull which is movable and a sloping platform supported ... | 11/24/1998 |
| 5803006 | Float master for a watercraft A float master (12) for a watercraft (14) comprising a telescopic arm (16). A structure (18) is for securing a first end (20) of the telescopic arm (16) to a deck (22) of the watercraft (14). An inflatable raft (24) is provided. A component (26) is for at... | 09/08/1998 |
| 5787832 | Method and apparatus to stabilize marine vessels A stabilizer system is used to stabilize a marine vessel hull. The system includes at least one stabilizer assembly attached to the hull and the stabilizer assembly is capable of moving with respect to the hull in response to ambient sea surface condition... | 08/04/1998 |
| 5732646 | Container with recirculation system for cleaning boat hulls on land A boat hull cleaning system, particularly for sail and motor yachts, prevents the contamination of sewers and open waters by recirculating the cleaning water within the system without discharging it therefrom. The system includes a trailerable container, ... | 03/31/1998 |
| 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 rail member defines a downwardly arcuate surface. The fra... | 02/03/1998 |
| 5632222 | Load orientating device A device (10) for orientating a load to be suspended and moved by a crane includes a flywheel (11) mounted for rotation in a housing (14). A turntable (17) is pivotally connected to the housing (14) and is drivable relative to the housing using a driven w... | 05/27/1997 |
| 5628267 | Oscillation suppression device and ship provided with the same An oscillation suppression device is provided for attenuating oscillation of an object to be controlled by a gyro torque of a control moment gyro having a flywheel rotating at a high speed. The oscillation suppression device includes an angular velocity d... | 05/13/1997 |
| 5592897 | Watercraft A watercraft has a buoyancy hull with an upwardly bode rail forming an arcuate guide for a passenger stand which allows the passenger to remain substantially upright as the buoyancy hull rolls beneath the stand. The stand can have rollers riding on the ra... | 01/14/1997 |
| 5588391 | Fin with trailing edge fixed flaps for ships A fin with trailing edge fixed flaps for ships, characterized in that it is made of a main fin (1) to which are associated one or several pairs of fixed flaps (2a and 2b) of mean camber.... | 12/31/1996 |
| 5488919 | Canted rudder system for pitch roll and steering control The invention is directed to a system for stabilizing a marine vehicle against rolling and pitching motions and for providing steering control to the marine vehicle. The system includes at least two rudders rotatably affixed to the marine vehicle aft of m... | 02/06/1996 |
| 5452674 | Ship stabiliser automatic gain control system An improved fin stabilizer control system which has an automatic gain control (AGC) system which uses the difference between the control laws demand signals and the actual fin angles to calculate a gain factor to reduce the control laws demand until the n... | 09/26/1995 |
| 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 a closed loop at high speed around the pulleys, thereby ge... | 01/10/1995 |
| 5203727 | Control apparatus for an outboard marine engine with improved cruising performance A control apparatus for an outboard marine engine is able to improve cruising performance of a boat particularly during acceleration or travelling on a curved course. An attitude angle sensor senses a three-dimensional attitude of the outboard engine incl... | 04/20/1993 |
| 5144904 | Stabilizing apparatus Stabilizing apparatus for stabilizing boats comprising a weighted concave body which is suspended from the boat and which is formed as a grid defining openings through the body and a flexible flap in the concavity of the body, the flap blocking the openin... | 09/08/1992 |
