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Class Information
Number: 416/197A
Name: Fluid reaction surfaces (i.e., impellers) > Cupped reaction surface normal to rotation plane > Air and water motors (natural fluid current)
Description:










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8672633 Vertical axis wind turbine Mar. 18, 2014
8641364 Blade for an impeller wheel Feb. 4, 2014
8591170 Directed force turbine device Nov. 26, 2013
8579575 Wind turbine Nov. 12, 2013
8562299 Blade for a device for generating energy from a fluid flow Oct. 22, 2013
8562298 Vertical-axis wind turbine Oct. 22, 2013
8523522 Vertical axis wind turbine rotating design elements Sep. 3, 2013
8496429 Prime mover Jul. 30, 2013
8480363 Self-starting turbine with dual position vanes Jul. 9, 2013
8454314 Sectional vane for vertical axis wind power generator Jun. 4, 2013
8376711 Dual rotor wind turbine Feb. 19, 2013
8322992 Modular wind-driven electrical power generator and method of manufacture Dec. 4, 2012
8317480 Turbine assembly and energy transfer method Nov. 27, 2012
8297911 Eolic generator Oct. 30, 2012
8282350 Method and apparatus for capturing wind to produce electrical power Oct. 9, 2012
8240998 Fluid movement device with method Aug. 14, 2012
8215897 Cylindrical wind turbine Jul. 10, 2012
8210817 Wind turbine utilizing wind directing slats Jul. 3, 2012
8206113 Method and apparatus for converting marine wave energy by means of a difference in flow resistance form factors into electricity Jun. 26, 2012
8162589 Moving fluid energy recovery system Apr. 24, 2012
8113777 Ultralight airfoils for wind energy conversion Feb. 14, 2012
8109732 Horizontal-axis wind generator Feb. 7, 2012
8087897 Fluid rotor Jan. 3, 2012
8070449 Wind turbine Dec. 6, 2011
8011876 Wind driven power generator Sep. 6, 2011
8002523 Turbine system and method for extracting energy from waves, wind, and other fluid flows Aug. 23, 2011
7918650 System for pressurizing fluid Apr. 5, 2011
7896608 Three-vaned drag-type wind turbine Mar. 1, 2011
7866938 Vertical axis windmill with guiding devices Jan. 11, 2011
7841830 River power megawatts producer Nov. 30, 2010
7798766 Vertical axis wind sail turbine Sep. 21, 2010
7794205 Vertical axis wind turbine bearing axial load sharing Sep. 14, 2010
7670101 Portable hydro-generator Mar. 2, 2010
7614852 Wind turbine blade and assembly Nov. 10, 2009
7494315 Helical taper induced vortical flow turbine Feb. 24, 2009
7357872 Lift station and method Apr. 15, 2008
7323792 Wind turbine Jan. 29, 2008
7309213 Wind sail receptor Dec. 18, 2007
7287954 Omni directional baffled wind energy power converter apparatus and method Oct. 30, 2007
7189050 Cross-flow wind turbine Mar. 13, 2007
7134557 Lift station and method Nov. 14, 2006
7112034 Wind turbine assembly Sep. 26, 2006
7056082 Four cycle wind implosion engine Jun. 6, 2006
7040859 Wind turbine May. 9, 2006
7008171 Modified Savonius rotor Mar. 7, 2006
6984899 Wind dam electric generator and method Jan. 10, 2006
6966747 Wind turbine having airfoils for blocking and directing wind and rotors with or without a central gap Nov. 22, 2005
6948905 Horizontal wind generator Sep. 27, 2005
6910873 Self regulating rotor Jun. 28, 2005
6890367 Dynamic sand drift barrier May. 10, 2005

1 2 3 4










 
 
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