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| Number | Title | Issue Date |
| 8186295 | Submarine provided with a device for releasing and recovering a secondary underwater vehicle A submarine (1) includes a bridge (4), a bridge fin (3) and a device (8) for releasing and recovering a secondary self-propelled underwater vehicle (90). The device (8) includes a handling element (8A) which can be us... | 05/29/2012 |
| 7352074 | System for producing hydrogen making use of a stream of water A system for producing hydrogen from water, making use of a stream of water such as a gulf stream or tidal stream, includes a number of submerged modules, each having a turbine that can be driven by the stream of water. The turbine is coupled to a generator for gene... | 04/01/2008 |
| 7328669 | Buoyancy-based, underwater propulsion system and method An apparatus for underwater propulsion. The apparatus may include a hydrofoil, a buoyancy compensator connected to the hydrofoil, a tank containing air, and a controller regulating the passage of air from the tank into the buoyancy compensator. The controller may al... | 02/12/2008 |
| 7281484 | Multimission transonic hull and hydrofield A transonic hull having a bow, a stern, a longitudinal length therebetween, side surfaces extending from the bow to outboard portions of the stern, a lower surface extending between the side surfaces, the transonic hull having a submerged volume with an approximatel... | 10/16/2007 |
| 7255054 | Cache boat A submersible surface-planing vessel has the capability to operate with a lowered profile on surface propulsion to lessen the visibility of the vessel, and sink to the bottom for temporary storage, followed by resurfacing and dewatering to operate as a planing craft... | 08/14/2007 |
| 7244151 | Linear propulsor with linear motion The invention comprises a scalable, configurable “propulsor” system. A propulsor system is an assembly of individual propulsors that act in concert to form a substantially continuous control surface that undulates in a working fluid. Each propulsor is driven and... | 07/17/2007 |
| 7191725 | Bow lifting body A watercraft having a hull, a fore and aft longitudinal axis and a bow includes a three dimensional low drag submerged lifting body secured to the bow below the design waterline of the hull. ... | 03/20/2007 |
| 7154362 | Robotic member An elongated robotic member that is simple in design and structure, relatively inexpensive and consumes little power. In one illustrative embodiment, one or more linear actuators are used in conjunction with two or more plates that are fixed at spaced locations alon... | 12/26/2006 |
| 7146925 | Apparatus for varying vessel hull geometry and vessels made therewith An apparatus for varying the dimensions of a hull of a vessel comprising an arcuate truss assembly having a plurality of members pivotally joined. The arcuate truss assembly is operatively arranged to form a portion of the hull. The assembly is operatively arranged ... | 12/12/2006 |
| 7028631 | Gliding submersible transport system Embodiments of the present invention provide a gliding submersible transport system. Exemplary submersible gliders have wings capable of providing sufficiently high lift-to-drag ratios such that the submersible gliders of may be used for transporting large volumes o... | 04/18/2006 |
| 7004093 | Low drag submerged asymmetric displacement lifting body Low drag underwater submerged lifting bodies which can be used as underwater displacement portions of a vessel whose main hull is at sea level are asymmetrical and have improved lift to drag ratios. The lifting bodies have outer surfaces whose shapes are defined in ... | 02/28/2006 |
| 6976445 | Submarine A submarine is comprised of a hull with an external seat on top and a backrest behind the seat. A control column and a grab handle are positioned in front of the seat. External drive motors attached to the hull drive propellers housed in protective cages. Servo driv... | 12/20/2005 |
| 6935910 | Watersport board fin assembly and methods of using same Fin assemblies for a variety of watersport boards including wakeboards, sailboards, surfboards and the like. The fin assemblies include a fin cap, at least one fin base and at least one locking member. Fin assemblies are secured to a watersport board by passing at l... | 08/30/2005 |
| 6640740 | Bottom activated retractable control surface for an unmanned undersea vehicle A bottom activated retractable control device includes a fin member having a front edge, a trailing edge opposite to the front edge, a bottom edge between the front edge and the trailing edge, and an arm portion extending from and coextensive with the lea... | 11/04/2003 |
| 6525992 | Devices for controlling the position of an underwater cable A device for controlling the position of an underwater cable comprises a body, first and second actuators, and a pair of wings. The body is stationarily mountable to the underwater cable and the first and second actuators are disposed in the body. Each wi... | 02/25/2003 |
| 6345792 | Actuating device with at least three stable positions A mechanical actuating device for moving an aerodynamic or hydrodynamic surface includes plural flexure members confined in an elastically deformed condition. The flexure members are movable against the force generated by their elastic deformation to move... | 02/12/2002 |
| 6328622 | Submersible water toy A submersible water toy comprises a buoyant streamlined body and a pair of wings attached thereto. While the body encourages the vehicle to rise in water, the wings, being formed from thin flat members resist vertical movement while providing little resis... | 12/11/2001 |
| 6227139 | Control tab assisted lift reducing system for underwater hydrofoil surface A hydrofoil stabilizer fixed to an underwater hull and provided with a pair of pivotally deflectable control flaps through which surface lift on the stabilizer is controlled, is provided with trailing edge tabs on both of the flaps that are pivotally defl... | 05/08/2001 |
| 6220550 | Actuating device with multiple stable positions A mechanical actuating device for moving an aerodynamic or hydrodynamic surface includes at least one flexure member confined in an elastically deformed condition. The flexure member is movable against the force generated by its elastic deformation to mov... | 04/24/2001 |
| 6138604 | Pelagic free swinging aquatic vehicle A pelagic free swimming aquatic vehicle includes a rigid forebody having a predetermined volume; a watertight chamber in the forebody; and a flexible afterbody having a lesser volume than the forebody and including a maneuvering and propulsion propulsion ... | 10/31/2000 |
| 5632218 | Debris deflector A debris deflector protects an underwater vehicle's control. surface while ntroducing little or no flow disturbance around the control surface. The deflector extends outward from the vehicle to peninsulate the control surface. The deflector's cross-section... | 05/27/1997 |
| 5619474 | Depth control apparatus A depth control apparatus for seismic streamers, comprising a central unit adapted for inserted mounting in the streamer substantially in axial alignment with the streamer, a housing which can rotate about the central unit and carries at least one control... | 04/08/1997 |
| 5615632 | Underwater vehicle and a fin assembly therefor A fin assembly for an underwater vehicle, the assembly comprising a portion f the hull of the vehicle having a recess therein, and a sleeve proximate a forward end of the recess and inclined inwardly from the hull portion at an angle to the hull portion an... | 04/01/1997 |
| 5487351 | Control surface for underwater vehicle A control surface for a vehicle comprising a flexible elastomeric body with ts base joined to the vehicle to form a smooth surface, a rigid tip bar joined to the distal end of the body, and a control member for turning the rigid tip bar to bend the elastom... | 01/30/1996 |
| 5467728 | Retractable bow diving plane for a submarine A retractable bow diving plane is provided which can be rotated when fully xtended or retracted or when at any position in between, and which allows for independent operation of the port and starboard bow diving planes. The major assemblies for each plane ... | 11/21/1995 |
| 5377613 | Submersible boat A submersible boat is provided which utilizes a planing boat hull with a sharp bow and blunt stern. The submersible boat performs as a planing boat until it nears the target location. Then, the boat submerges in order to avoid detection. After this vessel... | 01/03/1995 |
| 5373800 | Sea vessel A water vessel comprising a hull, at least one retractable hydrofoil apparatus configured for disposition in an extended orientation for vessel operation in a hydrofoil mode and for disposition in a retracted orientation for vessel operation in an underse... | 12/20/1994 |
| 5237952 | Variable attitude submersible hydrofoil A watercraft having positive static buoyancy is provided which is operable both as a hydrofoil and submersible vessel. It is generally shaped in the form of a dolphin or porpoise, with the equivalent of fins acting as both navigation and attitude control ... | 08/24/1993 |
| 5199820 | Attitude adjusting apparatus for scuba divers An attitude adjusting apparatus for use by scuba divers automatically varies the position of ballast relative to the center of buoyancy as the attitude of their body underwater changes. An elongate hollow weight tube enclosed at one end has a removable cl... | 04/06/1993 |
| 5134955 | Submergible diving sled A submergible, two-passenger dive sled includes a foldable sled frame being adjustable in length, a break-away tow hook for interconnection within the tow line of a power boat, an adjustably foldable deflecting screen having a preferred position for maint... | 08/04/1992 |
| 5127605 | Control surface structures for fluid-borne vehicles and method for rotationally moving such structures A fluidfoil (78) for use in guiding fluid-borne vehicles has first and second bodies (82, 80) arranged in telescoping relation and collectively defining the leading and trailing edges (18, 20) of the fluidfoil so that the chord length (24) of the fluidfoi... | 07/07/1992 |
| 5121702 | Underwater vehicle A submarine is provided with a large number of individual fins, some of which are arranged to create a "slot" effect between them. The fins are controlled in a way which is dependent on which of them may be in service at a particular time so that manoeuvr... | 06/16/1992 |
| 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 |
| 5031565 | Two-level sea-land creeping vehicle A two-level sea-land creeping vehicle formed by three main parts: a frustoconical bow portion which is movable independently but connected to the central part or compartment in the form of a drop of water, which is flat in the lower part and which is fixe... | 07/16/1991 |
| 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 |
| 4954110 | Underwater buoy provided with hydrodynamic stabilizing means and designed to be suspended, notably from a helicopter In a sonar buoy suspended from a helicopter, the lower stabilizing ring of a buoy of this type is replaced by a set of fins which get folded against the body of the buoy during its descent into the water and get unfolded when they are raised again to form... | 09/04/1990 |
| 4763596 | Semisubmerged water surface navigation ship A semisubmersible water surface navigation ship with even draft comprising at least two lower hulls, which can be submerged under water to reduce resistance and have a shape affording low friction resistance, and which are equipped with lifting and diving... | 08/16/1988 |
| 4721055 | Remotely operated underwater vehicle A remotely operated submersible vehicle (21), wherein the vehicle includes flotation cells (62) to provide positive buoyancy, and the vehicle is connected to a disposable clump weight (22) of sufficient weight to overcome the positive buoyancy. The connec... | 01/26/1988 |
| 4676183 | Ring paravane A submersible positioning device, such as a paravane coupled to a distant end of a towing cable may include a front cylindrical stabilizer having a wing diametrically disposed therein and having a predetermined angle of attack coupled to a towing bridle w... | 06/30/1987 |
| 4577583 | Small gliding underwater craft An elongated streamlined hull is provided having front and rear ends and a first pair of rear opposite side horizontally outwardly projecting main foils are supported from the hull and have their centers of plan area disposed aft of amidships of the hull.... | 03/25/1986 |
