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Class Information
Number: 416/132B
Name: Fluid reaction surfaces (i.e., impellers) > Articulated, resiliently mounted or self-shifting impeller or working member > Sectional, staged or nonrigid working member > Windmills
Description:










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8702393 Blinking sail windmill with safety control Apr. 22, 2014
8672631 Articulated wind turbine blades Mar. 18, 2014
8668455 Turbine wheel Mar. 11, 2014
8668456 Blade Mar. 11, 2014
8662853 Wind turbine blade and method of constructing same Mar. 4, 2014
8636388 Nacelle of a wind turbine comprising aviation obstruction lights Jan. 28, 2014
8602732 Wind turbine rotor blade with passively modified trailing edge component Dec. 10, 2013
8596978 Wind turbine Dec. 3, 2013
8511996 Blade for wind-power generator formed by attaching multiple independent sections utilizing connection means at the end of each opposing sections Aug. 20, 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
8454313 Independent variable blade pitch and geometry wind turbine Jun. 4, 2013
8454314 Sectional vane for vertical axis wind power generator Jun. 4, 2013
8430638 Noise reducer for rotor blade in wind turbine Apr. 30, 2013
8430637 Semi-rigid wind blade Apr. 30, 2013
8430636 Wind turbine rotor assembly Apr. 30, 2013
8328516 Systems and methods of assembling a rotor blade extension for use in a wind turbine Dec. 11, 2012
8328515 Wind power device Dec. 11, 2012
8322928 Pitch bearing for wind turbine rotor blades Dec. 4, 2012
8322989 Vertical axis wind turbine with speed regulation and storm protection system Dec. 4, 2012
8303256 Blade pitch driving apparatus for wind driven generator Nov. 6, 2012
8297930 Vertical axis wind turbine Oct. 30, 2012
8282353 Bearing unit for a long rotor blade of a wind power installation, wind power installation comprising one such rotor blade bearing arrangement, and method for operating one such wind power inst Oct. 9, 2012
8278773 Wind turbine generator and surplus energy control method for wind turbine generator Oct. 2, 2012
8257020 Wind turbine system for buildings Sep. 4, 2012
8212374 Wind power generator Jul. 3, 2012
8186936 Actuation of movable parts of a wind turbine rotor blade May. 29, 2012
8177481 Vertical axis wind turbine May. 15, 2012
8174137 Method for the damping of tower oscillations in wind power installations May. 8, 2012
8174142 Wind turbine with paired generators May. 8, 2012
8157533 Wind turbine blade with variable aerodynamic profile Apr. 17, 2012
8142155 Wind turbine generator and method for constructing wind turbine generator Mar. 27, 2012
8143740 Apparatus for storing and using wind energy Mar. 27, 2012
8113777 Ultralight airfoils for wind energy conversion Feb. 14, 2012
8109727 Wind turbine Feb. 7, 2012
8109722 Turbine and system for generating power from fluid flow and method therefor Feb. 7, 2012
8105010 Wind energy conversion apparatus Jan. 31, 2012
8105034 Vertical-axis wind turbine and method for the production thereof Jan. 31, 2012
8087895 Handling system for a wind turbine nacelle, methods for transport and vertical displacement of a wind turbine nacelle and a use of a handling system Jan. 3, 2012
8087896 Handling system for a wind turbine nacelle, method for vertical displacement and a wind turbine nacelle and a wind turbine nacelle Jan. 3, 2012
8057102 Bearing housing Nov. 15, 2011
8047791 Wind turbine generator and method for constructing wind turbine generator Nov. 1, 2011
8029241 Wind turbine rotor blade with aerodynamic winglet Oct. 4, 2011
8021114 Self-adjusting wind turbine generator blade Sep. 20, 2011
8016544 Vertical windmill Sep. 13, 2011
8012299 Assembly tool and a method of manufacturing a blade Sep. 6, 2011
7997870 Turbine rotor for electrical power generation Aug. 16, 2011
7998303 Method for assembling jointed wind turbine blade Aug. 16, 2011
7946803 Rotor blade for a wind power system May. 24, 2011
7945350 Wind turbine acoustic emission control system and method May. 17, 2011

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