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Class Information
Number: 416/118
Name: Fluid reaction surfaces (i.e., impellers) > Sustained ancillary movement of rotary working member (e.g., cyclic feathering, etc.) > Responsive to gravity or working fluid force > Having manual control or adjustment
Description: Apparatus including means actuated by a human attendant to modify or affect the operation of the apparatus.

Patents under this class:

Patent Number Title Of Patent Date Issued
8496433 Wind mill structure of lift-type vertical axis wind turbine Jul. 30, 2013
8272840 Blade support limb for vertical axis wind turbine Sep. 25, 2012
8070451 Modular construction for wind turbine blade Dec. 6, 2011
7347668 Method and apparatus to determine the wind speed and direction experienced by a wind turbine Mar. 25, 2008
7186083 Wind energy conversion device Mar. 6, 2007
6749393 Wind power plant Jun. 15, 2004
5951249 Self governing fluid energy turbine Sep. 14, 1999
5525037 Overlapping sail wind turbine Jun. 11, 1996
5425619 Self governing fluid energy turbine Jun. 20, 1995
5221186 Wind turbine apparatus with fluidic rotation indicator Jun. 22, 1993
4867764 Convertible air cleaner fan Sep. 19, 1989
4818888 Water-powered electricity generating apparatus Apr. 4, 1989
4178126 Wind driven power generator Dec. 11, 1979
4118985 Radiation pyrometers Oct. 10, 1978

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