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Class Information
Number: 415/4.2
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 > Natural fluid current force responsive > Vertical runner axis
Description: Device wherein the runner"s* axis of rotation is generally parallel to the force of gravity acting on the working fluid*.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8672608 Tower type vertical axle windmill Mar. 18, 2014
8657560 Energy extraction device with at least one bank of blades Feb. 25, 2014
8624420 Turbine system and method Jan. 7, 2014
8616830 Hydraulic power generating apparatus Dec. 31, 2013
8613587 Rotor assembly for a turbine Dec. 24, 2013
8613586 Vortical wind energy apparatus Dec. 24, 2013
8608425 System and methodology for wind compression Dec. 17, 2013
8608426 System and methodology for wind compression Dec. 17, 2013
8602718 Transverse-axis turbine with twisted foils Dec. 10, 2013
8602719 Vertical axis wind turbine Dec. 10, 2013
8591171 Open-flow vertical wind generator Nov. 26, 2013
8591170 Directed force turbine device Nov. 26, 2013
8591169 Rotor for generating electrical power from a flow medium Nov. 26, 2013
8562282 Large capacity wind power generator Oct. 22, 2013
8550786 Vertical axis wind turbine with self-starting capabilities Oct. 8, 2013
8545168 Two-dimensional array of turbines Oct. 1, 2013
8534987 Wind energy conversion devices Sep. 17, 2013
8529190 Wind turbine rotor with vertical rotation axis Sep. 10, 2013
8522435 Method of making a turbine Sep. 3, 2013
8480363 Self-starting turbine with dual position vanes Jul. 9, 2013
8469665 Vertical axis wind turbine with twisted blade or auxiliary blade Jun. 25, 2013
8464990 Pole mounted rotation platform and wind power generator Jun. 18, 2013
8461715 Apparatus for wind collection Jun. 11, 2013
8459949 Wind power generation having variable windmill wings Jun. 11, 2013
8459937 Unity wind power plant with vertical axis of rotation Jun. 11, 2013
8459930 Vertical multi-phased wind turbine system Jun. 11, 2013
8459020 Wave and water energy converter mounted on bridge supports Jun. 11, 2013
8450872 Vertical wind power generator with automatically unstretchable blades May. 28, 2013
8419346 Wind turbine Apr. 16, 2013
8403623 Wind energy power enhancer system Mar. 26, 2013
8382435 Opposed tilting blade, vertical axis wind turbine power generator Feb. 26, 2013
8376711 Dual rotor wind turbine Feb. 19, 2013
8360713 Wind manipulator and turbine Jan. 29, 2013
8322992 Modular wind-driven electrical power generator and method of manufacture Dec. 4, 2012
8317460 Boundary layer wind turbine Nov. 27, 2012
8317480 Turbine assembly and energy transfer method Nov. 27, 2012
8308430 Wind turbine/generator set having a stator cooling system located between stator frame and active coils Nov. 13, 2012
8297911 Eolic generator Oct. 30, 2012
8282350 Method and apparatus for capturing wind to produce electrical power Oct. 9, 2012
8269369 Direct drive wind turbine and blade assembly Sep. 18, 2012
8257018 Wind energy conversion devices Sep. 4, 2012
8240977 Wind collector device for generation of energy Aug. 14, 2012
8232664 Vertical axis wind turbine Jul. 31, 2012
8226348 Vertical axis rotor-type wind turbine Jul. 24, 2012
8215897 Cylindrical wind turbine Jul. 10, 2012
8210792 Wind energy system Jul. 3, 2012
8197215 Drive train for a wind turbine Jun. 12, 2012
8192138 Method and device for using wind energy Jun. 5, 2012
8186956 Semi-flexible supporting structure for wind turbine May. 29, 2012
8177480 Modular system for generating electricity from moving fluid May. 15, 2012

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