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| Number | Title | Issue Date |
| 7735319 | Power generating apparatus Power generating apparatus includes a float mounted on a support pivotally mounted to a base and secured to a beam extending rearwardly of the base to a vertically extending elongated structure carrying a pair of vertically movable gear racks in guideways. Each rack... | 06/15/2010 |
| 7315092 | Wave powered electric generating device Disclosed is a wave powered electric generating device for generating electric power from wave-driven water body in a fast, easy, inexpensive, and efficient manner such that the set up has less configurational complexity, involves easy installation and maintainabili... | 01/01/2008 |
| 7266938 | Circuit for a transmission shaft rotation sensor A circuit for use with an apparatus such as a tractor having an output device such as a mower deck or snow thrower, comprising a user operated switch and a position sensing switch to detect the rotational direction of a shaft such as an output axle, so that the oper... | 09/11/2007 |
| 7199481 | Wave energy conversion system A wave energy conversion system converts wave energy within a wave medium into electrical energy. The wave energy conversion system includes a base substantially connected to a wave-medium floor, a tidal platform connected to said base and a tidal float connected to... | 04/03/2007 |
| 7131267 | Dual neutral start switches Dual neutral start switch configurations for preventing vehicle users from starting or activating a vehicle engine under certain circumstances and designed to be part of the control arm or return-to-neutral configuration are disclosed. These configurations may be us... | 11/07/2006 |
| 7105942 | Plant, generator and propeller element for generating energy from watercurrents A plant, generator and rotating member for the production of power from currents in a body of water, comprising a fixedly mounted of floating structure, and a plurality of replaceable generator units (750) supported by the structure and which are driven by th... | 09/12/2006 |
| 7076949 | System for multiple harnessing and complemented conversion of energy from sea waves System for multiple harnessing and complemented conversion of energy from sea waves. The system includes a structure of vertical guides along which the central floating body moves, a submerged captive-air tank, held up by the floating body, with the body and the tan... | 07/18/2006 |
| 7023104 | Wave energy conversion device for desalination, ETC An impulse-type “wave motor” employs a seabed-mounted or supported structure mounting a wave energy absorbing panel on a hinged lever arm for reciprocation motion to obtain optimal absorption of wave energy from wave motion in the sea. For deepwater wavelengths ... | 04/04/2006 |
| 7017326 | Transmission rotation sensor switch A sensor for use with a transmission system, where the transmission system has a housing, an input driven by an engine and at least one rotating component, such as a shaft, located in the housing and driven by the input. The sensor is comprised of an actuator, which... | 03/28/2006 |
| 6925800 | Wave power machine The wave force machine as such is constructed in such a way that it is capable of utilizing the upward force from the waves with (FIG. 1) the force from float (1) and rocker arm (3) via rocker arm pipe (4), wherein 1 or more lock bearings... | 08/09/2005 |
| 6476511 | Floating apparatus and method for extracting power from sea waves An apparatus for extracting power from ocean waves comprises a number of buoyant cylindrical body members (2, 3, 4) connected together at their ends to form an articulated chain-like structure (1). Each pair of adjacent cylindrical members is connected to... | 11/05/2002 |
| 6443653 | Modular floating breakwater for the transformation of wave energy A floating modular system for the protection of harbours and the transformation of energy, consisting of: a plurality of modules (1) made of metal and/or reinforced marine concrete box-structure, comprising internal air spaces (2) for determining the floa... | 09/03/2002 |
| 5664418 | Whirl-wind vertical axis wind and water turbine A vertical axis wind turbine is supported by a frame held in place by an encircling series of crescent-shaped tubular deflector vanes. The vanes widen towards the turbine core, concentrating the wind. The wind is trapped momentarily on entering the turbin... | 09/09/1997 |
| 5549445 | Macro-engineering process and system for all-weather at-sea wind-energy extraction A process and system for harvesting energy from wind action on the high seas ill all weather conditions, on a year-round basis. This process depends upon the use of seagoing platforms (FIG. 2+ FIG. 4) which themselves achieve stability in the presence of ... | 08/27/1996 |
| 5179837 | Wave powered energy generator A method and device are provided for generating energy from the motion of waves. Fluid is conveyed through a series of fluid pressurization units, each unit incrementally increasing the pressure of the fluid as the fluid passes under the force of differen... | 01/19/1993 |
| 5081840 | Spool valve and piston power plant This power plant utilizes a multi-cylinder hydraulic engine that has a plurality of pistons and cylinders arranged for reciprocal movement. Each piston is powered by a hydraulic fluid or air pressure. The fluid exhausted from one cylinder is sent to anoth... | 01/21/1992 |
| 4754156 | Control apparatus for variable-speed hydraulic power generating system Disclosed is a control apparatus for a variable-speed hydraulic power generating system comprising a variable-speed a.c. electric generator connected to an a.c. electric power system and a hydraulic machine system including a water turbine for driving the... | 06/28/1988 |
| 4563591 | Wave driven engine Apparatus and process for use in converting the energy of ocean waves to useful power form wherein two floats supporting a rigid structure are spaced apart to maximize the end movement of said rigid structure, and an energy extraction device preferably of... | 01/07/1986 |
| 4480966 | Apparatus for converting the surface motion of a liquid body into usable power Apparatus for converting wave motion at the surface of a supporting medium into usable power and including a buoyant main body 24 forming a housing for a plurality of pumps 30 and a float system 28 connected thereto such that wave induced relative motion ... | 11/06/1984 |
| 4408454 | Fluid coupled wave generator array with subsea structure The preferred embodiment of the invention is a wave powered generator including a "Hagen" float array comprising a plurality of floats each of which is coupled to a subsea support structure through a nonlinear power extraction means. The array may be move... | 10/11/1983 |
| 4392349 | Spaced apart wave generator float array Apparatus for extracting energy from fluid motion, i.e. waves, comprising spacing a plurality of floating modules, which may be single floats or arrays, on the fluid's surface far enough apart to minimize apparatus cost and close enough together to utiliz... | 07/12/1983 |
| 4341074 | Wave-energy converter The invention provides a device for converting wave energy into useful work, and comprises a body adapted to be moved to and fro by waves on a liquid, and means such as a hydraulic piston in a cylinder for converting this movement of the body into a power... | 07/27/1982 |
| 4319454 | Wave action power plant A wave action power plant powered by the action of water waves has a drive shaft rotated by a plurality of drive units, each having a lever pivotally mounted on and extending from said shaft and carrying a weight, in the form of a float, which floats on t... | 03/16/1982 |
| 4316704 | Floating power generation assemblies and methods Floating-on-a-body-of-water compressed-air-generating assemblies and methods are disclosed which are utilized to drive electrical generators powered by compressed air. The integrated assembly utilizes windmills, reciprocating float-linkage means, collapsi... | 02/23/1982 |
| 4313716 | Articulated, energy converting structure An articulated marine structure for an offshore body of water which is subject to wave movement. The structure includes at least two floating elements which are pivotally joined along a common edge to permit relative movement between the respective elemen... | 02/02/1982 |
| 4289455 | Devices for extracting energy from waves The invention relates to a device for extracting energy from waves and having a pump arranged to be operated by relative motion between members of the device in response to waves. The pump according to the invention has a pump body with a flexible portion... | 09/15/1981 |
| 4285196 | Wave power generator Apparatus for deriving power output from wave energy is disclosed. A rotatable member is provided which is capable of rotating in only one direction. A float is provided which rises and falls in response to wave action, and thereby moves relative to the r... | 08/25/1981 |
| 4282712 | Devices for extracting energy from waves The invention relates to a device for extracting energy from waves, the device having a pump or a number of pumps arranged to be operated by relative motion between hingedly connected members of the device in response to waves so as to displace a fluid. T... | 08/11/1981 |
| 4268226 | Tube type pump and wave motor The invention provides a pump in the form of a length of hose reinforced by at least one extensible multi-filament strand, or parallel multi-filament strands, wound helically about it which during the application of torsion or tension to the hose is wound... | 05/19/1981 |
| 4251991 | Buoyantly supportable structures especially for power generating systems Apparatus for generating power from the motion of waves on a body of water utilizes a spine formed by buoyant sections that are joined end to end and are ballasted to cause the sections to assume a predetermined position in calm water. Adjacent sections a... | 02/24/1981 |
| 4210821 | Apparatus for extracting energy from movement of water This invention relates to apparatus for converting into useful energy movements imparted thereto by movement of water, preferably sea waves and/or sea currents, the apparatus comprising two or more interconnected members of which at least one is buoyant a... | 07/01/1980 |
| 4209283 | Wave-to-hydraulic power converter A water wave-to-hydraulic power converter pumps quantities of working liquid which are approximately proportional to the square of wave height. A reciprocating force pump is attached pivotally to a pair of hinged hulls, the cylinder to one hull and the pi... | 06/24/1980 |
| 4207739 | Process and apparatus for harnessing the energy of the swell Process for harnessing the energy of the natural movements of a heaving liquid mass including the following steps: providing a vessel floating on said liquid mass, the vessel having a compartment containing an auxiliary liquid; allowing the vessel to foll... | 06/17/1980 |
| 4118932 | Energy conversion systems A system for converting wave energy from the sea into electrical energy, comprises a floatable assembly which, in use, is moored at sea and which is capable of internal movement in response to the action of waves. The assembly includes a hollow body mount... | 10/10/1978 |
| 4105368 | Floating wave powered pump A hydraulic power source for harnessing energy generated by the wave motion of a body of water. A primary or main float has a plurality of secondary or satellite floats spaced outwardly therefrom. The secondary floats are each attached to one end of a plu... | 08/08/1978 |
| 4098084 | Apparatus for extracting energy from wave movement of the sea This invention relates to apparatus for extracting energy from movement of water, particularly sea waves, the apparatus comprising a plurality of buoyant members which are interconnected one with another so as to be movable relative to one another, each b... | 07/04/1978 |
| 4092828 | Hydroelectric plant A hydroelectric plant operated by wave action is supported by the ocean floor and extends above the surface of the ocean. Connected to an outer edge of the plant structure above the surface of the ocean is a plurality of pivotally connected lever arms hav... | 06/06/1978 |
| 4077213 | Wave driven generator A plurality of different sized floats are connected into an array through nonlinear interfaces so their relative motions drive hydraulic pumping means. Floats in the array are sized to present a "black body" to the ocean waves incident upon the array. Flu... | 03/07/1978 |
| 4048512 | System for generating power from wave motions of the sea A power generating system for the generation of energy from the wave motions of the sea is buoyantly supported by the sea. The system comprises spine elements defining a spine on which ducks are rockably mounted, the system further including tension cable... | 09/13/1977 |
| 4036563 | Wave motor comprised of a submerged floating network of chambers formed by walls permitting variable geometry A wave energy transformer for transformation of wave energy into pressure energy of water in a pipe system. The transformer consists of a submerged space network of chambers at least partially closed by walls pivoted to adjacent walls. The walls are defor... | 07/19/1977 |
