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Wind Turbine Rotor Blade Element - EP2479423

The patent EP2479423 was granted to Siemens on Apr 4, 2018. The application was originally filed on Jan 24, 2011 under application number EP11151803A. The patent is currently recorded with a legal status of "Revoked".

EP2479423

SIEMENS
Application Number
EP11151803A
Filing Date
Jan 24, 2011
Status
Revoked
Feb 20, 2023
Publication Date
Apr 4, 2018
External Links
Slate, Register, Google Patents

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VESTAS WIND SYSTEMSJan 3, 2019PATERSON -

Patent Citations (16) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONEP1845258
DESCRIPTIONWO2004097215
DESCRIPTIONWO2007118581
DESCRIPTIONWO2010066501
OPPOSITIONCN1641213
OPPOSITIONEP0615903
OPPOSITIONEP1112928
OPPOSITIONUS2008292461
OPPOSITIONUS2009263252
OPPOSITIONWO2008113349
OPPOSITIONWO2009146810
SEARCHDE102008026474
SEARCHEP1995455
SEARCHUS2006018759
SEARCHUS2009274559
SEARCHWO2011042527

Non-Patent Literature (NPL) Citations (8) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- Clive Maier, "Design Guides for Plastics", (20090400), XP055363430
OPPOSITION- J. A. C. KENTFIELD, "Theoretically and experimentally obtained performances of Gurney-flap equipped wind turbines", Wind Engineering, (19940000), vol. 18, no. 2, pages 63 - 74, XP001172908
OPPOSITION- LIEBECK, "Design of subsonic airfoils for high lift", Journal of Aircraft, (19780900), vol. 15, no. 9, pages 547 - 561, XP008023944
OPPOSITION- W.A. Timmer, "The design and testing of airfoil DU 91-W2-250, Including the effect of vortex generators and gurney flaps", (19920000), XP003033522
OPPOSITION- ZHIQUAN et al., "Experiment research on the lift enhancement of an airfoil using trailing edge flaps", European Wind Energy Conference, (19990301), pages 105 - 108, XP003033523
OPPOSITION- KYLE HORD, "Numerical investigation of the aerodynamic and structural characteristics of a corrugated wing", Thesis University of Louisville, (20100800), XP055543685
OPPOSITION- BLOY et al., "Enhanced aerofoil performance using small trailing-edge flaps", Journal of Aircraft, (19970700), vol. 34, no. 4, pages 569 - 571, XP055543648
OPPOSITION- BECHERT et al., "Drag reduction of airfoils with miniflaps. Can we learn from dragonflies?", AIAA, Fluids 2000, (20000619), pages 1 - 30, XP055543594

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Dossier Documents

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