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| Number | Title | Issue Date |
| 8152464 | Tapered helical auger turbine to convert hydrokinetic energy into electrical energy A helical auger turbine and hydrokinetic device for use with electrical generators for producing electricity. A helical turbine blade may be mounted on a central shaft, and a flange extending perpendicularly to an edge of the turbine blade. The helical auger may be ... | 04/10/2012 |
| 7938622 | Tapered helical auger turbine to convert hydrokinetic energy into electrical energy A helical auger turbine and hydrokinetic device for use with electrical generators for producing electricity. The auger turbine includes a generally helical turbine blade rotatably mounted on a central shaft, which may be tapered at each end, and a flange extending ... | 05/10/2011 |
| 7290738 | Dual jet emerging lift augmentation system for airfoils and hydrofoils Separate upper and lower plenums within an aircraft airfoil or a sea hydrofoil conduct fluid under different pressures to nozzle slots from which jets emerge to augment lift in accordance with different travel conditions. Lift is induced by nozzle slot emergence of ... | 11/06/2007 |
| 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 |
| 6948911 | Water torque converter A water torque converter for extracting energy from the reciprocal motion of water beneath waves in a body of water comprising an open frame on which is mounted a rigid sail. The rigid sail is guidingly moved from one end of the frame to the opposite end of the fram... | 09/27/2005 |
| 5789826 | Equipment to extract ocean wave power An improved system for harnessing the energy of ocean waves to produce useful energy like electricity is disclosed wherein a power generating apparatus is attached to a support structure located out of the water and on dry land. The support structure comp... | 08/04/1998 |
| 4748338 | Ocean wave energy extracting erosion reversal and power generation system An ocean wave energy extracting beach sand erosion reversal and electric power generation system. Moored seaward of the breaker zone it serves the function of beach sand accretion by extracting energy from the waves prior to their breaking thereby lesseni... | 05/31/1988 |
| 4636141 | Hydroelectric device A hydroelectric device wherein a water wheel having radial paddle boards is partially submerged in a moving stream of water, and driven by the water current to operate an electric generator. The water wheel has end discs at its respective sides to block e... | 01/13/1987 |
| 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 |
| 4412417 | Wave energy converter An improved rotational buoyant mass for wave energy conversion apparatus is disclosed. The rotational buoyant mass comprises at least one pair of helical volumes mounted for rotation about a common axis. The helical volumes are rotationally displaced with... | 11/01/1983 |
| 4256971 | Wave and wind motion energy transducer At least two spaced apart eccentric weights are rotatably mounted about vertical axles. The weights are coupled to advance a drive mechanism in a single direction when the weights move about their respective axles in either direction of rotation. The driv... | 03/17/1981 |
| 3965365 | Power generating machine actuated by ocean swells A power generating machine which is actuated by the continuous swells occurring in the ocean. The machine is supported on a pair of spaced main floats, between which is a power float connected to a linkage which allows the power float to reciprocate verti... | 06/22/1976 |
