Assignee

GCK INC

US·1 granted patent·47 citations·filing 2003–2003

Technology mixB23P1 F03D1 F05B1 Y02E1 Y02P1 Y10S1

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0188US7156609B2Method of making complex twisted blades with hollow airfoil cross section and the turbines based on suchGCK INC·Filed 2003·Granted Jan 2, 2007·47 cites·34 claims

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