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| Number | Title | Issue Date |
| 8033752 | System for generating energy from sea waves A system for generating energy from sea or ocean waves flowing toward a shore, comprises a channel or a container and a slanting structure constructed above the surface of the sea. The slanting structure is located in the way of waves toward the channel or container... | 10/11/2011 |
| 7275891 | Apparatus for controlling underwater based equipment The apparatus may include a space frame on which is mounted at least one hydrofoil for generating positive or negative lift. The frame is attachable to underwater equipment such as a turbine. The hydrofoils are adapted to produce negative lift when a flow of liquid ... | 10/02/2007 |
| 7192217 | Baffle apparatus A baffle apparatus and method for directing fluid flow to reduce damage to an energy dissipating basin that includes an inlet, an outlet, a floor, a sidewall that extends upward from an edge of the floor, and an opposing sidewall that extends upward from an opposing... | 03/20/2007 |
| 7179045 | Self cleaning hydro delivery system A system for supplying a fluid to a turbine includes an inlet for allowing the fluid to enter the turbines, a filter to filter the fluid, and a pump apparatus to pressurize the fluid and to mix the pressurized fluid with the un-pressurized fluid at a location in the... | 02/20/2007 |
| 7144197 | Apparatus and method for controlling wave characteristics The present invention relates to a variable floor (1) for a body of water, the variable floor (1) including a base portion (2) for location on or within a fixed floor (106) of the body of water and means to adjust the slope of the upper s... | 12/05/2006 |
| 4476396 | Low-head hydroelectric generation system The invention pertains to a hydroelectric generating system for use with low-head dam and spillway installations. A vessel in the form of a barge contains ballast tanks, pumps and associated structure permitting the vessel to selectively float or to be su... | 10/09/1984 |
| 4394098 | Radial gate having fine tuning of flow control A radial or taintor gate utilized to control the flow of water to a turbine is provided with an independently movable flap-gate which is operable to control the release of small incremental amounts of water to flow to the turbine as required, such as spee... | 07/19/1983 |
| 4363564 | Water power generator A water power generator for generating electrical energy from a moving body of water comprising structural means interposed in the path of water flow. The structural means includes at least one side wall which is longitudinally curved from a diverting poi... | 12/14/1982 |
| 4332506 | Wave-and-tide-pump apparatus and method thereof A wave-and-tide-pump apparatus and method to provide a continuous flow of water from a large body of water to a small body of water, whereby the wave-and-tidal action of the first larger body of water is funneled into the second smaller body of water by m... | 06/01/1982 |
| 4078388 | Transportable hydromotive assembly A submersible hydromotive assembly is provided for an energy storing dam and includes chambers defined in its structural body which can be filled with water to sink the assembly or with gas to float it. Additionally, the hydromotive assembly has a machine... | 03/14/1978 |
| 4040257 | Wave-pump apparatus A wave-pump apparatus to provide a continuous flow of water from the waves generated along coastal waterways and the like wherein the waves therefrom are funneled into the mouth of the apparatus which is provided with a freely pivoted, flap-valve gate tha... | 08/09/1977 |
