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| Number | Title | Issue Date |
| 8110937 | Wave energy capturing device A wave energy capturing device (10) comprising a base (12) adapted for fixed connection to a submerged surface (14). At least one elongate buoyant paddle (26) is pivotally mounted to the base (12) about a first pivotal axis (22 | 02/07/2012 |
| 8102068 | Buoyant in-stream hydro turbine A buoyant hydro turbine(31) for capturing and utilizing energy in the currents of flowing water. A driven component(33) produces electricity or other energy is coupled to and supported by a buoyant rotor(64), increasing efficiency and eliminatin... | 01/24/2012 |
| 8093743 | Plant for the production of electric power from the movement of waves A plant for producing electrical power from the movement of waves. An offshore dam has a fixed generally vertical surface which is located in open water having wave movement and located vertically at the water surface. A submerged part which is fixed relative to the... | 01/10/2012 |
| 8084877 | Methods and devices for converting wave energy into rotational energy The invention discloses devices and methods for converting wave energy to rotational energy. Specifically, the invention allows for two or more flotation elements to move in opposite directions in response to a wave contacting a wave energy transducer according to e... | 12/27/2011 |
| 8080892 | Combined water tank and generator A combined water tank and generator is provided. By capturing rainwater into a container at a higher point, using the weight of the container to drive an electrical generator, and releasing the stored water once it has reached the ground, a system is provided that p... | 12/20/2011 |
| 8080894 | Wave powered electrical generator A wave powered electrical generator includes: a floating unit that floats in water and accommodates a power generator therein. The floating unit has a wave power system that includes, a chamber containing fluid, a free-floating mass provided in the chamber that sepa... | 12/20/2011 |
| 8080893 | Tidal power generation device A tidal power generation device includes at least a chassis, a rail frame, and a chain support rack. A driver is provided at an end of the rail frame. The driver includes a connection bar. The chain support rack is set on the chassis and includes toothed wheels that... | 12/20/2011 |
| 8072087 | Wave power converter A wave power converter for implementation at an offshore location where it will be exposed to passing waves and swell, comprises a buoyancy element (1) placed within a reaction structure (3) so as to move at least vertically relative to the reaction st... | 12/06/2011 |
| 8072088 | Fluid power generator for extracting energy from a fluid flow The invention provides a device for extracting energy from a fluid flow. The device has an air compression chamber and an array of valves, operable to open and close to regulate flow of the fluid through associated valve apertures. The valves are operable to close p... | 12/06/2011 |
| 8067849 | Wave energy converter with internal mass on spring oscillator A wave energy converter (WEC) system includes a shell containing an internal oscillator comprised of a reaction mass suspended from the shell by an elastic spring in parallel with a constant force spring. The constant force spring provides a relatively constant forc... | 11/29/2011 |
| 8058741 | Hydroelectric power system A hydroelectric power system includes a plurality of paddle wheels, a plurality of electrical generators, a pumping system and a support structure. The support structure includes a water reservoir and at least one water channel contained in an inclined surface. The ... | 11/15/2011 |
| 8049356 | Wave energy conversion device Wave energy conversion device (WEC) comprising a means for damping the reactionary motion of a wave energy conversion device to wave motion, which is a cylindrical bellowed elastomeric member that acts under axial compression. ... | 11/01/2011 |
| 8049355 | Device for harnessing ocean wave energy for generation of electricity There is disclosed a hydro-electric generating device comprising a solid plate fixedly supporting two bearings, which bearings rotatably support a shaft, the plate has a cutout fillable with water subjected to wave motions; a turbine fixed on the shaft. The turbine ... | 11/01/2011 |
| 8049354 | Flow power converter apparatus employing a flow-controlled duct to capture flow energy A wave power converter employing a flow-controlled duct for capturing and converting useful wave surge energy to electric power over a relatively broad range of surf or river flow conditions. The power converter includes an inclined ramp with several openings for re... | 11/01/2011 |
| 8035243 | System to obtain energy from water waves A system to harness energy from water waves, comprising a frame assembly, first and second hydraulic systems, at least one float assembly, and an electrical assembly. The float assembly comprises front, rear, bottom, top, and first and second lateral faces. The floa... | 10/11/2011 |
| 8018084 | Wave powered electrical generator A wave powered electrical generator includes: a floating unit that floats in water and accommodates a power generator therein. The floating unit has a wave power system that includes, a chamber containing fluid, a free-floating mass provided in the chamber that sepa... | 09/13/2011 |
| 8013462 | Wave energy converter A wave energy converter has a primary body interconnected to a secondary body such that the bodies may oscillate longitudinally relative to one another. A slug mass is visco-elastically connected to the primary body. The slug mass has effective mass, stiffness and d... | 09/06/2011 |
| 8004104 | Method and apparatus for converting ocean wave energy into electricity A method and apparatus for harnessing power associated with ocean waves and converting that power into electricity. The apparatus is a buoy that houses a vertically oriented central shaft, a pendulum, and a generator. As the buoy tilts from the vertical under the in... | 08/23/2011 |
| 8004105 | Wave power energy generation apparatus The present invention relates to a wave energy conversion device (1), for use in relatively shallow water, which has a base portion (2) for anchoring to the bed of a body of water (6) and an upstanding flap portion (8) pivotally connected... | 08/23/2011 |
| 8004103 | Power generation The present disclosure includes apparatus, methods, and systems for power generation. One power generator embodiment includes a shaft; a buoyant assembly slidably coupled to the shaft upon which the buoyant assembly rises and falls, the buoyant assembly configured t... | 08/23/2011 |
| 7994651 | Apparatus for converting the energy of waves on a body of water An apparatus converting the energy of waves on an open body of water includes a submerged articulated frame or frames formed of rods arranged largely in a parallelogram. The frame or frames are arranged so that as a wave passes the frames, the frames are distorted b... | 08/09/2011 |
| 7989975 | Apparatus for converting wave energy into electric power The invention concerns an apparatus for converting wave energy into electric power, comprising a closed floating element (1) and a mass forming element (2), the mass forming element (2) being arranged inside the floating element (1) and m... | 08/02/2011 |
| 7977809 | Tidal stream energy conversion system An energy conversion system for converting tidal energy into electrical energy includes a barrier deployable across a body of water. The barrier has an upper and lower closed loop of cable between which are secured a series of sail arrays adapted to effect displacem... | 07/12/2011 |
| 7969033 | Buoyancy energy cell A device for the generation of energy and in particular electrical energy includes a cell or chamber which moves upwardly and downwardly in a body of water. Cog wheels are connected to the cell. The cog wheels are connected to the shafts of generators. Rotation of t... | 06/28/2011 |
| 7956479 | Electrical power generation from reciprocating motion of floats caused by waves An apparatus, system and method for generating electricity by using the reciprocating motion of floats caused by waves includes a plurality of cylindrical floats each traveling on a cylinder push rod. The wave motion through the floats forces hydraulic fluid in a cl... | 06/07/2011 |
| 7956478 | Installation comprising a wave power apparatus and a support structure therefor A wave power apparatus at least a part of which is permanently fixed to the sea floor or to ground, i.e. such as to a breakwater, a mole, a pier, a jetty, a cliff or an oil rig. The wave power apparatus (302) includes a plurality of rotationally supported arm... | 06/07/2011 |
| 7952218 | Buoyancy pump power system A system for generating electricity includes a pump operable to convert wave motion from a body of water into mechanical energy. The pump includes an input port through which an operating fluid can enter the pump and an output port through which the operating fluid ... | 05/31/2011 |
| 7932619 | Free renewable energy designs These Free Renewable Energy Designs capture the Earth's tidal energy forces. These systems of interconnected modules are capable of capturing and releasing massive amounts of sea water through water control gate(s) located on the barges. Type A design modules are pe... | 04/26/2011 |
| 7911073 | System and method for a hydro-hydraulic gravitational generator A system and method for generating electricity using a hydro-hydraulic gravitational generator. In such a system, a main housing that is disposed in deep water may be exposed to deep water pressure. A piston disposed in the main housing may be raised as water enters... | 03/22/2011 |
| 7872365 | Wave powered electrical generator A wave powered electrical generator includes: a first floating unit that accommodates a power generator therein and adapted to float in water, a second floating unit adapted to float in the water in the vicinity of the first floating unit; and a spring line, one end... | 01/18/2011 |
| 7834475 | Apparatus for converting wave energy The invention is an apparatus and method for harnessing wave energy by transforming it in potential energy of water in a reservoir, to be converted in mechanical energy through a classical, proved in time, low head water turbine. The invention maximizes the throughp... | 11/16/2010 |
| 7834474 | Wave power energy generation apparatus The present invention relates to a wave energy conversion device (1), for use in relatively shallow water, which has a base portion (2) for anchoring to the bed of a body of water (6) and an upstanding flap portion (8) pivotally connected... | 11/16/2010 |
| 7830032 | Generating power from natural waves in a body of water Apparatus and method are provided for generating electrical power from an installation site in a body of water wherein waves occur naturally over an area of the body of water to move the water about a mean water level beneath an ambient atmosphere to effect an alter... | 11/09/2010 |
| 7821150 | Ocean energy harvesting system An ocean energy harvesting system utilizes horizontal structural members that rotate in response to wave motion. The structural members are designed to capture energy in a line array that replicates the shape of the waves as they pass through the ocean. A generator ... | 10/26/2010 |
| 7795749 | Graduating a flow of tidal reserves during periods of tidal flood produces uninterrupted electrical generation Oceanic tidal energy sources hydroelectric generating system coupled to a primary tidal reservoir through a bi-directional tideway exciting a primary turbine as a diurnal cycle tide waxes and wanes. A secondary tidal reservoir includes a tideway and secondary turbin... | 09/14/2010 |
| 7791213 | Vertical motion wave power generator A vertical motion wave power generator having a flotation device, a vertical support structure fixed to the ocean bottom, and a single power shaft attached rotatably to the flotation device. By the use of a pair of one-way clutches the single power shaft converts th... | 09/07/2010 |
| 7786609 | Ocean energy system and method A wave energy system and method are provided that have a main body that floats on the surface of the ocean and generates energy due to the motion of the crests and troughs of the ocean. ... | 08/31/2010 |
| 7768144 | Underwater wave/energy transducer A method for generating electrical current indirectly from ocean wave action based on the reciprocating surge of the ocean that directly results from the overhead wave action. The method includes (a) positioning an energy transducer below overhead wave action and at... | 08/03/2010 |
| 7759813 | Gravity wave power generation apparatus A power generation apparatus that will not exhaust carbon dioxide is provided where a strong rotating motion is created by the combination of solar heat energy, gravitational energy, and ocean current or tidal current energy. In the sea area having stream current su... | 07/20/2010 |
| 7759814 | Device for converting wave energy Device for absorption of wave energy, comprising a floating body (2) adapted to move as a result of influence from waves, and energy transmission means transmitting movement of the floating body to a generator, characterized by that ... | 07/20/2010 |
