Class 114/163 - Multiple

Subclass of Class 114 - Ships
Definition: Steering mechanisms in which a plurality of rudders is used.
No. of patents: 76
Last issue date: 03/01/2011

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Number	Title	Issue Date
7895959	Differential tiller arms for marine vessels Advanced steering system designs for marine vessels which incorporate non-linear tiller arms for rudder control, designed for creating different turning radii for discrete rudders. Differential tiller anus are utilized to create distinct angular displacement of the ...	03/01/2011
7721665	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 aft portions. A directional thrust steering mechanism having a pair ...	05/25/2010
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 aft portions. A directional thrust steering mechanism having a pair ...	05/26/2009
7371140	Protective marine vessel and drive A marine vessel and drive combination includes port and starboard tunnels formed in a marine vessel hull raising port and starboard steerable marine propulsion devices to protective positions relative to the keel. ...	05/13/2008
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 one or more guiding passageways or grooves formed in the plastic hull ...	05/13/2008
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) is placed in a rudder port (12) and th...	03/04/2008
7316194	Rudders for high-speed ships A high-speed water vessel including a steering arrangement for reducing cavitation and its effects. The arrangement includes a twisted rudder pair located downstream of a high-speed propulsor. The rudder pair may also be contoured at a bottom portion thereof. The pr...	01/08/2008
7234983	Protective marine vessel and drive A marine vessel and drive combination includes port and starboard tunnels formed in a marine vessel hull raising port and starboard steerable marine propulsion devices to protective positions relative to the keel. ...	06/26/2007
7191721	Innovative hull-less naval vessel A hull-less naval vessel includes a platform completely raised from the liquid medium by of rotating floating elements fixed beneath the platform by of ball bearings. Through the lifting effect of the floating elements, the vessel will glide on the liquid surface wi...	03/20/2007
7144282	Contoured rudder maneuvering of waterjet propelled sea craft The stern hull portion of a surface ship or underwater sea craft is provided with a waterjet propulsion unit having an outlet end from which a discharge propelling waterjet emerges underwater and undergoes flow beyond the stern end of the hull between a pair of twin...	12/05/2006
7104497	Method of synchronizing fin fold-out on a fin-stabilized artillery shell, and an artillery shell designed in accordance therewith This disclosure relates to a method of limiting the yawing motion on the trajectory of an artillery shell during the firing phase using a sliding driving band and completely folded-in guide fins. The shell is converted as soon as possible outside the mouth of the ba...	09/12/2006
7070468	Multi-hull watercraft with amidships-mounted propellers An efficient double-ended watercraft is disclosed that comprises four low-Froude number hulls: two forward, two aft, two on the port side, and two on the starboard. Each hull comprises an independent engine that drives a propeller shaft and propeller that is located...	07/04/2006
6976444	Marine vessel propulsion and tubular rudder system A water craft propulsion and steering system is disclosed in which a pair of tubular steering rudders are mounted one on the front end and aft end, respectively, of a propeller shroud tube. Power means is provided for turning both steering rudders in the same direct...	12/20/2005
6951180	CBTF sailing yacht main engine drive system A canting ballast twin foil (CBTF) sailing yacht constructed according to the invention includes a sailing hull, a ballast, a ballast-supporting structure, and an onboard ballast drive system. The ballast drive system moves the ballast in order to vary the counter-h...	10/04/2005
6932018	Manual hydrofoil and spar truss assembly for wind powered watercraft A simple, lightweight, manually-controlled device for stabilizing and increasing the performance of small, sail-assisted watercraft, containing a single moving part and comprising a curved spar or iako (1) joining a main hull and a single outrigger hull or am...	08/23/2005
6886485	Twin-rudder system for large ship In such a high lift twin-rudder system that: a pair of high lift rudders 1, 2 is arranged behind a single propeller 3; the respective high lift rudder 1, 2 has a top end plate 6, 7 and a bottom end plate 8, 9 at the top end and the...	05/03/2005
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. ...	04/19/2005
6549831	Rudder angle indicator system with active sector sensing The rudder angle indicator system utilizes a low cost potentiometer coupled to the rudder to provide a signal proportional to rudder angle. A stepper motor positions, in open loop arrangement, the dial of a rudder angle indicator, such as a large three-fa...	04/15/2003
6523489	Personal watercraft and off-power steering system for a personal watercraft A watercraft is disclosed that includes a hull having port and starboard sides and a propulsion system that generates a stream of pressurized water through a nozzle. A helm operatively connects to the nozzle, whereby turning the helm turns the nozzle. At ...	02/25/2003
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 element. The pad is usually actuated by foot, leaving the user...	03/13/2001
6178907	Steering system for watercraft A steering system is provided for watercraft having a hull and first and second thrust producing devices capable of providing forward or reverse thrust relative to the hull, wherein the first and second thrust producing devices provide thrust along first ...	01/30/2001
6171159	Steering and backing systems for waterjet craft with underwater discharge The inventive apparatus exercises control of the water flow which is discharged from a marine waterjet propulsor. Typical inventive embodiments comprise plural horizontal and plural vertical blade-like structures which together describe an open-ended, box...	01/09/2001
6047656	Retractable front rudders Retract front rudders to be used as a steering system for small water craft such as canoes and kayaks. The system has a pair of angled retractable rudders mounted in a forward/bow portion and attached by shafted cables to a pair of movable control footpeg...	04/11/2000
6032602	Stabilizer for ocean going vessels and a stabilizer for other ocean going bodies, such as ships A device for guiding the flow of floating objects. The device is connected to a hull of the floating object and, depending on the flow, feeds hydrodynamic forces into the hull. The device shows a main flow body which is designed in a more flat-topped mann...	03/07/2000
6026759	Adjustable leveling fin rudder method and apparatus for powerboats Method and apparatus for leveling or adjusting a power-boat's average angle of bank or list about its roll axis RA regardless of side wind or off-center loading to improve passenger comfort, increase fuel efficiency, and smooth hull passage through waves ...	02/22/2000
5592892	Multihull windsurfer A multihull windsurfer providing increased sailing stability, exceptional steerability and providing a moveable mast allowing for an adjustable sail carrying capacity. The preferred embodiment is a catamaran with hulls that are elongated, upwardly curved ...	01/14/1997
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
5445100	Dual rudder system for trimming planing-type hulls An improved dual rudder system for use with marine vessels is provided that provides both steering and attack angle adjustment. Specifically, the dual rudder system of the present invention may be adjusted so the rudders can be positioned in a toe-in posi...	08/29/1995
5359956	Steering system for high performance powerboats A steering system for a high performance powerboat includes a secondary rudder which is located along the hull of the boat forward to the main aft rudder. An actuator is attached to the main rudder of the boat to effect rotation of the rudder about its ax...	11/01/1994
5313905	Twin wing sailing yacht A twin wing sailing yacht having a pair of wing appendages depending from a canoe or hull, the wing appendages including structures which support at their lower ends a fore and aft extending ballast tandemly suspended between them. The wings are rotatable...	05/24/1994
5247898	Water-ski board A ski board is arranged to include a polymeric skin envelope housing a foam core, to include a rear wall having a plurality of parallel troughs orthogonally intersecting the rear wall canted upwardly towards the top wall to receive the leg portions of an ...	09/28/1993
5163377	Sailing yacht High performance sailing yacht designs are disclosed based on a keelless sailing yacht concept having fore and aft cambered foils for leeway control which foils replace the function of the standard keel. A keelless sailing yacht of this type is disclosed ...	11/17/1992
5120249	Combination catamaran boat and cross water ski system A combination catamaran boat and cross water ski system includes left and right hulls, a bridging deck, and a steering system. Each hull includes a rudder in its keel portion and a rudder plate on its top, connected by a rudder shaft for pivotal movement....	06/09/1992
5094182	Enhanced ride plate and steering apparatus for jet drive watercraft An improved ride plate apparatus for attachment to the lower aft portion of a personal watercraft, in place of the normal ride plate, and including a rudder mechanism pivotally connected to the ride plate together with steering linkage for coupling the ru...	03/10/1992
5088431	Sailing vessels Proa sailing vessel including a pair of spaced hulls comprising a windward and a leeward hull, a crossbeam assembly interconnecting the hulls and a fixed mast assembly with its lower end supported on the crossbeam intermediate the hulls and being inclined...	02/18/1992
5058521	Submarine with keel wing for effectively countering tendency to snap roll in high speed turns while fully submerged A submarine hull which has a half wing-like sail which projects vertically upwards, is provided with a keel-wing that also is half wing-like, but projects vertically downwards. By preference the keel-wing has a lower end plate and its main portion is trai...	10/22/1991
4996935	Stable racing catamaran with hydrofoil qualities A stable racing catamaran with hydrofoil qualities is disclosed. The stable racing catamaran with hydrofoil qualities includes a deck, a pair of forward pylons affixed to the deck, a pair of aft pylons affixed to the deck, a pair of forward hulls affixed ...	03/05/1991
4979455	Control surfaces A control surface design for submerged vehicles. The control surfaces are vably mounted or radially extending support members such that the wake created by the deflection of the control surfaces will not be transmitted to the propeller. The support member...	12/25/1990
4949662	Steering device for small sized jet propulsion boat An improved steering arrangement for a jet propelled watercraft including a rudder carried by the forward portion of the hull and which is out of the water at high speeds and submerged at low speeds for assisting in low speed steering without adding to hi...	08/21/1990
4919630	Inboard drive system for a marine craft The present invention is directed towards a drive system for a marine craft of the type wherein the power plant or drive engine is located inboard of the craft and the overall craft is designed for high performance operation. The system includes twin driv...	04/24/1990

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Class 114/163 - Multiple