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Class Information
Number: 415/3.1
Name: Rotary kinetic fluid motors or pumps > With means for controlling casing or flow guiding means in response to natural fluid current force or direction > Having specific features for water current
Description: Device comprising structure particularly adapted to a natural water current environment.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5311064 Equipment to extract ocean wave power May. 10, 1994
5184936 Multiple-gas-phase tidal power generation apparatus and method Feb. 9, 1993
5167483 Method for utilizing angular momentum in energy conversion devices and an apparatus therefore Dec. 1, 1992
5154566 Perfected hydraulic machine preferably for minimum height waterfalls Oct. 13, 1992
5088884 Rotor assembly for fluid driven engine Feb. 18, 1992
5051059 Fluid powered electric generator having hinged vane rotor Sep. 24, 1991
5009568 Wave actuated power generating apparatus Apr. 23, 1991
4960363 Fluid flow driven engine Oct. 2, 1990
4872805 Water powered device Oct. 10, 1989
4868408 Portable water-powered electric generator Sep. 19, 1989
4686376 Tide turbine Aug. 11, 1987
4613279 Kinetic hydro energy conversion system Sep. 23, 1986
4524285 Hydro-current energy converter Jun. 18, 1985
4495424 Plant for utilization of wind and waves Jan. 22, 1985
4446378 System for the generation of electrical energy by utilizing the kinetic energy of seawater May. 1, 1984
4418880 Fluid flow augmentor Dec. 6, 1983
4274009 Submerged hydroelectric power generation Jun. 16, 1981
4263516 Breakwater and power generator Apr. 21, 1981
4236866 System for the obtainment and the regulation of energy starting from air, sea and river currents Dec. 2, 1980
4213734 Turbine power generator Jul. 22, 1980
4179886 Method and apparatus for obtaining useful work from wave energy Dec. 25, 1979
4172689 Wave power generator Oct. 30, 1979
4141670 Device for extracting energy from water waves Feb. 27, 1979
4076447 Water-power motor Feb. 28, 1978
3983404 Surf-turbine generating system Sep. 28, 1976

1 2 3

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