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| Number | Title | Issue Date |
| 7327049 | Wave generator power plant The Wave Generator Power Plant converts the energy in sea waves into electricity. The wave motor portion of the power plant utilizes a buoyant, moving, semisubmerged, cone-shaped pontoon that is powered by the sea wave motion. The reciprocation is changed to rotary ... | 02/05/2008 |
| 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 |
| 7310944 | Wave energy converters (WECs) with velocity multiplication A WEC system embodying the invention includes a column and shell, arranged to move relative to each other, and a lever-like apparatus having an input end and an output end and an intermediate point, between the two ends, the intermediate point being rotatably connec... | 12/25/2007 |
| 7268517 | Method and system for energy reclamation and reuse The present invention relates to a system and method for harvesting ambient electromagnetic energy, and more particularly, to the integration of antennas and electronics for harvesting ubiquitous radio frequency (RF) energy, transforming such electromagnetic energy ... | 09/11/2007 |
| 7180203 | Electric generator The present invention is a water-wave energy transducer comprising: a support foundation and a wave-plate having an edge. A first edge of the present invention is pivotally attached to the foundation. The plate is disposed to be oscillatingly displaced by the action... | 02/20/2007 |
| 7052582 | Wave powered evaporation desalination system A wave powered evaporation desalination system for removing fresh water from salt water by extraction of water vapor from a negative pressure container using wave motion for power. The wave powered evaporation desalination system includes a first vessel that accepts... | 05/30/2006 |
| 7042112 | Wave energy conversion system An omni-directional system configured to convert the kinetic and potential energy in ocean waves to electrical energy or in some special cases to other forms of energy such as heat, mechanical and pressure energy. The system employs a float moored by a single hydrau... | 05/09/2006 |
| 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 |
| 6956300 | Gimbal-mounted hydroelectric turbine A power plant extracts energy from a free flowing motive fluid by means of a turbine mounted on a gimbal. The shroud element of the fluid intake has external rudders, in conjunction with the gimbal mounting, enabling the enclosed turbine to instantaneously respond t... | 10/18/2005 |
| 6956299 | System for generating energy from the waves of the sea Includes at least one floating body (1), and is characterised in that includes a device (2) fitted inside said body (1) for transforming the movement of the floating body (1) into pneumatic or hydraulic energy and means for transmitting t... | 10/18/2005 |
| 6933623 | Wave energy converters utilizing pressure differences An elongated cylinder is fully submerged, in vertical orientation, just below the mean water level of, e.g., and ocean, and of a length, dependent upon surface waves of preselected wavelength, such that the top of the cylinder experiences relatively large pressure v... | 08/23/2005 |
| 6919669 | Electro-active device using radial electric field piezo-diaphragm for sonic applications An electro-active transducer for sonic applications includes a ferroelectric material sandwiched by first and second electrode patterns to form a piezo-diaphragm coupled to a mounting frame. When the device is used as a sonic actuator, the first and second electrode... | 07/19/2005 |
| 6904722 | Elongated truss boom structures for space applications An elongated truss boom structure is adapted to be flattened and coiled to a stowed configuration. The truss boom includes longerons, battens, and diagonals. A fixed ladder shaped structure is formed by a plurality of fixedly coupled battens which interconnect two a... | 06/14/2005 |
| 6768217 | Wave energy converter system of improved efficiency and survivability A known type of surface wave energy converter comprises a submerged elongated tube supported by, but being vertically movable relative to, an anchored float. The tube vertically reciprocates in response to overpassing surface waves and drives a transducer for genera... | 07/27/2004 |
| 6647716 | Ocean wave power generator (a "modular power-producing network") Disclosed herein is a compound device (a "modular power-producing network", or "power net") for the purpose of transducing the energy in ocean waves into electrical energy. The invention first pressurizes ocean water (or a suitable alternative hydraulic f... | 11/18/2003 |
| 6328539 | Hydraulic device powered by wave A hydraulic device powered by a wave includes one or more posts secured on a sea floor, a float buoyant on the wave, a housing secured to the posts and having a slidable piston for separating the interior of the housing into two chambers. Four pipes are c... | 12/11/2001 |
| 6045339 | Wave motor A wave energy harvesting apparatus of the type employing laterally spaced-apart floats arranged so that the up and down movements of the floats in response to the wave motion are out of phase with each other and can be used to drive one or more pumps is c... | 04/04/2000 |
| 5909060 | Wave energy transformer An installation for extracting energy from a liquid in which swell occurs relative to a bottom. The installation includes a first and second container for placing at a determined horizontal first mutual distance at least partially under the surface of the... | 06/01/1999 |
| 5710464 | Power drive system for converting natural potential energy into a driving power to drive a power generator A power drive system which includes a water collecting barrel vertically fastened to the oceanic crust under the sea level and having a reduced top end connected to the power input port of a power generator; a plurality of water tubes radially connected t... | 01/20/1998 |
| 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 |
| 5405250 | Wave energy extraction device An apparatus and method for converting the motion of waves on a body of fluid into useable energy. The apparatus includes a floating or fixed rotatable support structure, a lever arm(s) pivotally supported from the support structure, and a wave follower f... | 04/11/1995 |
| 5244359 | Wave energy converter A wave energy converter comprising an upright standard anchored to the bottom of a body of water. A vertical sleeve is supported for rotation on and relative to the standard about a common vertical axis. The sleeve contains at its upper end a double-actin... | 09/14/1993 |
| 5094595 | Labrador water-wave energy converter What has been invented is a machine that is planted on the ocean floor or set out floating on the ocean to convert the energy of the surfs into storable and consumable energies, such as, compressed air, etc., comprising: a multistage axial-flow piston com... | 03/10/1992 |
| 4851704 | Wave action electricity generation system and method This invention discloses a wave action electricity generation system that includes a floating platform that supports the system components on the surface of a body of water, an anchor means for controlling movement of the platform to a desired water surfa... | 07/25/1989 |
| 4792290 | Wave actuated pump apparatus Wave actuated pump apparatus providing paired pump and main floats positionable in horizontally spaced relation on a body by liquid and joined together by an elongated arm having an end rigidly secured to a smaller pump float and an opposite end pivotally... | 12/20/1988 |
| 4781023 | Wave driven power generation system This invention relates to a system for the generation of useful energy from the power in ocean waves. The wave power generation system is an array of individual absorber units each consisting of a buoyant raft, connected to a stable mooring assembly by me... | 11/01/1988 |
| 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 |
| 4742241 | Wave energy engine An apparatus for capturing a portion of the wave energy on the surface of a body of water and converting the captured energy to a usable form of power incudes a large array of flotation devices, each connected to one of a plurality of energy conversion de... | 05/03/1988 |
| 4686377 | System for generating power from waves A float mechanism for generating energy from waves. Floats are coupled together such that they can pivot about a horizontal axis relative to one another. Hydraulic cylinders on either side of the attachment points compress and extend with the wave motion.... | 08/11/1987 |
| 4586333 | Water engine A water engine comprises a float arranged for reciprocal movement in a chamber under the action of a head of water. The chamber is filled with water from an upper level by means of a valve and is emptied to a lower level by means of a further valve. A cro... | 05/06/1986 |
| 4555307 | Sea water distillation system A system for the distillation of sea water comprising a sea water input conduit, an evaporator, a work extractor, a float, a condenser, a distilled water output conduit, and a brine solution output conduit. The evaporator is connected to the input conduit... | 11/26/1985 |
| 4552514 | Wave driven work extracting device A work extracting device driven by the wave motion of a fluid comprising a first float, a cylinder, a piston slidably engaging the interior of the cylinder, a piston rod extending from the piston and pivotally coupled to the first float, and a second floa... | 11/12/1985 |
| 4514644 | Ocean powered pump A pumping unit suitable for driving an electric generator and which is powered by ocean surf and waves. The unit includes a tower which is located on an ocean beach, and which includes a generally horizontal boom. The boom includes two forward sections di... | 04/30/1985 |
| 4495424 | Plant for utilization of wind and waves A plant for the combined utilization of energy from both wind and waves includes a plurality of fluid flow engines for utilizing both energies, and generating power therefrom. Each engine includes blades for making use of the energy of the wind, and a flo... | 01/22/1985 |
| 4490621 | Method and apparatus for generating electric power by waves At least one caisson which is part or all of a breakwater forms a water chamber therein whose closure is a pendulum having a natural period in rocking or oscillating the same as a period of stationary wave surges caused in the water chamber by rocking mov... | 12/25/1984 |
| 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 |
| 4464578 | Wave energy converter A wave energy converter comprising a float group including at least two floats connected by elongated rigid links disposed at a right angle to the direction of incidence of waves, which floats are free from the coastal ground and sea bed and allowed to he... | 08/07/1984 |
| 4462762 | Wave action machine A wave powered machine comprising a plurality of cylindrical floats connected to triangular arms. A pump is connected to each arm so to be actuated by rocking motion of each arm when each float rises and falls due to wave action.... | 07/31/1984 |
| 4453894 | Installation for converting the energy of the oceans An installation for exploiting the energy of oceans, comprising at least one floating-member, or float, capable of moving along the surface of the sea under the action of waves, at least one reference-member deeply submerged, said reference-member being s... | 06/12/1984 |
| 4448020 | Energy generating device A device for generating power from the energy of waves in a body of liquid employs a buoyant reaction element and at least one displacement element which can move back and forth to react against the reaction element. The movement of the displacement eleme... | 05/15/1984 |
