Class 114/61.12 - Including a submerged hull (e.g., semisubmerged watercraft, etc.)

Subclass of Class 114 - Ships
Definition: Subject matter wherein the marine vehicle includes a hull
No. of patents: 38
Last issue date: 04/01/2008

Number	Title	Issue Date
7353095	Diagnostic system for watercraft A diagnostic system is provided for a watercraft that is propelled by an outboard drive. Sensors can detect conditions of components related to at least the operation of the outboard drive. The diagnostic system can leave inside and outside computers. The inside com...	04/01/2008
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
7291936	Submersible electrical power generating plant A self-supporting, submersible generating plant for producing electricity from ocean currents, consisting of two counter-rotating, rear-facing turbines with a plurality of rotor blades extending radially outward from two separate horizontal axis that convey the kine...	11/06/2007
7287480	Nautical transport vehicle having enhanced stability A nautical transport vehicle includes at least one floating member, at least one longitudinal fin pivotally mounted on the floating member, and at least one corresponding plate mounted on the floating member and parallel with the longitudinal fin. Thus, the nautical...	10/30/2007
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
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
7143710	Low drag ship hull A low drag ship hull generally includes a side air cavity initiated by wetted bow section, bottom air cavity initiated by wetted bottom nosepiece, wetted stem section that closes a lower portion of the side cavity, wetted bottom tailpiece that closes the bottom cavi...	12/05/2006
7121219	Boat control system The boat control system of the invention is a propulsion system for controlling the direction of passage of a vessel underway at low speeds. Six thruster nozzles are installed around the hull so that, used individually or in combinations, the boat can be maneuvered ...	10/17/2006
H2173	Hydroplaning unmanned surface vehicle An unmanned hydroplaning water surface vehicle having a gondola housing with external midway lift and control foils that allow the unmanned surface vehicle to provide lift and control in water at sufficient speed. A superstructure trimaran hull serves as a stable op...	10/03/2006
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
7055447	Dynamic positioning and motion control during cargo transfer operations A system and method providing a portable, floatable vessel for controlling the absolute position and relative position and the motion of a floating craft using a small water plane area, high vertical drag coefficient and dynamic positioning is disclosed. The methodo...	06/06/2006
7047896	Multi-hulled vessel A cargo carrying nautical vessel (1) is provided, having a plurality of cargo carrying hulls (2a, 2b) connected by at least two connecting structures (3, 4), each connecting structure including legs (5a, 5	05/23/2006
7040244	Watercraft having plural narrow hulls and having submerged passive flotation devices A watercraft has at least two narrow hulls with a shallow draft and has one or more passive flotation devices that are entirely submerged. The hulls enclose the power trains for the watercraft and are accessible from the compartments of the watercraft. The passive f...	05/09/2006
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
6912965	Semisubmersible 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
6789490	Ship constructions for achieving stability at high speed through the use of multiple, low wave-making resistance, submerged hullform pods and control fins A ship designed to achieve high speed through the use of multiple, low wave-making resistance, submerged hullform pods is constructed for stable operation during maneuvers with and without a payload. Movable fins on the submerged hullform pods are constructed and ar...	09/14/2004
6688248	Submersible catamaran A submersible catamaran made of two parallel submergible floats, each having a triangular bow, a float midsection, a tail, and stern, a solid support surface forming a top to the two submergible floats adapted for supporting heavy loads, two movable colum...	02/10/2004
6588352	WAY as acronym for wave avoidance yacht In operation for wave avoidance the WAY presents only a small profile and a small part of its total structure to the most dynamically active part of all ocean waves, their surface and crests. This includes all storm and rogue waves. In this mode the bulk ...	07/08/2003
6532884	High speed electric watercraft High speed electric watercraft of various configurations are provided that utilize at least one submerged enclosed hull containing an electric motor and at least one other parallel float positioned higher that the enclosed hull to provide buoyancy for a p...	03/18/2003
6439148	Low-drag, high-speed ship The invention is gas-filled cavities that reduce drag on the underwater surfaces of marine vehicles. Hydrofoils, struts, boat and ship hulls, pontoons, underwater bodies, fins, rudders, fairings, protuberances, submarine sails and propulsors are underwate...	08/27/2002
6273015	Stabilized electric watercraft for high speed cruising, diving and sailing New electric boat designs are provided that exploit the weight of a battery to stabilize the boat and in some cases to overcome the hull speed limitation problem. The battery mass is enclosed in one or two torpedo-like structures that are mostly or comple...	08/14/2001
6250240	Water craft having ventilated propeller Improvement in water craft of single-hull type or multi-hull type and having a drive apparatus or a hub (7) carrying a ventilated propeller (6) of so called "surface piercing" type, in which the drive or the hub (7) with the surface piercing propeller (6)...	06/26/2001
6209470	Stable semi-submersible surface effect ship An improved multi-operational mode marine vessel is proposed that has blower pressurized air cushions that are utilized during high speed operations disposed in one or more secondary supporting hulls wherein said secondary supporting hulls are connected t...	04/03/2001
6167829	Low-drag, high-speed ship The invention is gas-filled cavities that reduce drag on the underwater surfaces of marine vehicles. Hydrofoils, struts, boat and ship hulls, pontoons, underwater bodies, fins, rudders, fairings, protuberances, submarine sails and propulsors are underwate...	01/02/2001
6152791	External electric drive propulsion module arrangement for swath vessels In the embodiments described in the specification, a SWATH vessel has a superstructure supported by strut members from a pair of pontoons and each pontoon has a propulsion module removably attached to the rear end of the pontoon. The propulsion module has...	11/28/2000
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 structures that are mostly or completely submerged. The structure...	06/13/2000
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....	08/24/1999
5860380	Semi-submersible air cushion vehicle An improved multi-operational mode marine vessel is proposed that has blower pressurized air cushions that are utilized during high speed operations disposed in one or more secondary supporting hulls wherein said secondary supporting hulls are connected t...	01/19/1999
5803774	Integrated system for land and water recreation An integrated system for land and water recreation such that when in a flotation mode, a propeller and rudder are powered and controlled by a standard bicycle; that when in a terrestrial mode, the integrated system is powered and trailered by the same bic...	09/08/1998
5694878	Semi-submerged catamaran In a semi-submerged catamaran comprising at least two submerged bodies, struts mounted in a standing position on respective submerged bodies and a hull part supported by the struts above the water surface, motion preventing fins are fixed in a submerged p...	12/09/1997
5511504	Computer controlled fins for improving seakeeping in marine vessels A control system for a SWATH type vessel has control fins mounted on the pontoons of the vessel to improve seakeeping. The control system includes roll angle and pitch angle sensors, and can include roll rate and pitch rate sensors or calculations for dev...	04/30/1996
5325804	Fuel-efficient watercraft with improved speed, stability, and safety characteristics A watercraft mounted on submarine hulls is taught which is capable of moving faster than a displacement vessel of the same length, while consuming equal or less fuel than would such a displacement vessel. The watercraft also has improved safety and stabil...	07/05/1994
5301624	Stern planes for swath vessel The invention provides an improved SWATH type vessel having pontoons and a stern plane located in a position to influence water flow in the region of the tail cone portions of the pontoons and the propellers to reduce depression of the water adjacent the ...	04/12/1994
5279239	Lightweight four man rowing shell Four man rowing shells in heavyweight and lightweight configurations have an elongated hull with a bow and stern and a smoothly tapered hull surface therebetween. The hull surfaces have particular cross-sections below the waterline at stations spaced alon...	01/18/1994
5263433	Hybrid hydrofoil strut leading edge extension A strut leading edge extension for a marine vehicle has an upper hull, a strut, a lower hull, and a foil. The strut leading edge extension includes a device for defining an extended strut leading edge, the device being adjustable to a plurality of positio...	11/23/1993
4993348	Apparatus for harvesting energy and other necessities of life at sea A vessel is provided, adapted for operating at the surface of the ocean, useful for a combination of functions, including providing food, fiber for clothing, living space, fresh water, transportation, and domestic energy for at least one person, as well a...	02/19/1991
4867090	Forward deck construction for a swath or catamaran-type vessel The forward deck of a swath or catamaran type vessel is constructed largely of a sieve-type material, such as honeycomb-type deck grating. Should the foredeck of the vessel, which is normally suspended above the water line become submerged by plowing into...	09/19/1989
4119052	Semi-submersible vessel A semi-submersible vessel comprising at least one hollow toroidal element adapted to float with its plane upright having an exposed upper portion carrying a working platform. The toroidal element preferably is formed by describing a circular or elliptical...	10/10/1978

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Class 114/61.12 - Including a submerged hull (e.g., semisubmerged watercraft, etc.)