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current-us-classification:416/DIG.9
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Three bladed savonius rotor
US7314346
-
Jan 01, 2008
Cross-flow wind turbine
US7189050
-
Mar 13, 2007
Wind turbine having airfoils for blocking and directing wind and rotors with or without a central gap
US6966747
-
Nov 22, 2005
Fluid flow powered dynamo with lobed rotors
US6808366
-
Oct 26, 2004
Wind turbine with savonius-type rotor
US5494407
-
Feb 27, 1996
Apparatus for generating power
US5272378
-
Dec 21, 1993
Wind turbine system using a savonius type rotor
US4838757
-
Jun 13, 1989
Wind turbine system using twin savonius-type rotors
US4830570
-
May 16, 1989
Wind turbine system using a vertical axis savonius-type rotor
US4784568
-
Nov 15, 1988
Wind turbine system using a savonius type rotor
US4715776
-
Dec 29, 1987
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Wind turbine system (4)
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