IP Verse

Wind Turbine With Slender Blade - EP2007981

The patent EP2007981 was granted to Corten on Jan 20, 2021. The application was originally filed on Apr 2, 2007 under application number EP07747361A. The patent is currently recorded with a legal status of "Revoked".

EP2007981

CORTEN
Application Number
EP07747361A
Filing Date
Apr 2, 2007
Status
Revoked
Jun 27, 2025
Grant Date
Jan 20, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

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LM WIND POWEROct 20, 2021ZIMMERMANN & PARTNER PATENTANWALTE MBBADMISSIBLE
NORDEX ENERGYOct 20, 2021HAUCKADMISSIBLE
NORDEX ENERGYOct 20, 2021HAUCK PATENTANWALTSPARTNERSCHAFT MBBADMISSIBLE
SIEMENS GAMESA RENEWABLE ENERGYOct 15, 2021SGRE ASSOCIATIONADMISSIBLE

Patent Citations (15) New

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

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Non-Patent Literature (NPL) Citations (24) New

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

Citation PhaseReference TextLink
OPPOSITION- airfoil S815, URL: http://airfoiltools.com-
OPPOSITION- Anonymous, "Innovative design approaches for large wind turbine blades, final report", Sandia Report 2004-0074, (20040501), pages 1 - 43, XP055276869-
OPPOSITION- Anonymous, "Parametric Study for Large Wind Turbine Blades: WindPACT Blade System Design Studies, SAND2002-2519", SANDIA National Laboratories, (20029800), pages 1 - 43, XP055276962-
OPPOSITION- Boeing Engineering And Construction Company, "Mod-2 Wind turbine System Development Final Report, Volume II- Detailed Report", DOE/NASA/0002-2 NASA CR-168007, (19820901), pages 1 - C-1, DOE/NASA/0002-2 NASA CR-168007, URL: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19830025072.pdf, (20191025), XP055635895-
OPPOSITION- CORTEN G. P., "Flow Separation on Wind Turbine Blades", Thesis, (20010116), URL: https://dspace.library.uu.nl/bitstream/handle/1874/653/full.pdf, XP055856559-
OPPOSITION- Dayton A Griffin, Et Al., "Investigation of vortex generators for augmentation of wind turbine power performance", NREL TECHNICAL MONITOR NREL/SR-440-21399, (19961201), NREL TECHNICAL MONITOR NREL/SR-440-21399, URL: https://www.nrel.gov/docs/legosti/old/21399.pdf, (20170713), XP055390597-
OPPOSITION- DAYTON A. GRIFFIN, "Investigation of Vortex Generators for Augmentation of Wind Turbine Power Performance", NREL TECHNICAL MONITOR NREL/SR-440-21399, (19961201), pages 1 - 78, XP055390597-
OPPOSITION- FUGLSANG, "Design and verification of Risø B1 airfoil family for wind turbines", Transactions of ASME, (20041100), vol. 126, pages 1002 - 1010, XP055430802-
OPPOSITION- Fuglsang P; Antoniou I; Dahl K S Madsen Helge, "General rights Copyright and moral rights for Wind tunnel tests of the FFA-W3-241, FFA-W3-301 and NACA 63-430 airfoils", Risø-R-1041(EN), (19981201), pages 1 - 162, XP055856557-
OPPOSITION- Fuglsang P. et al, "Wind tunnel tests of the FFA-W3-241, FFA-W3-301 and NACA 63-430 airfoils", Risø-R-1041(EN), (19981200), URL: https://backend.orbit.dtu.dk/ws/portalfiles/portal/7751459/ris_r_1041.pdf, XP055856557-
OPPOSITION- G. CORTEN, "Flow separation on wind turbine blades", Dissertation, pages 1 - 169, XP055856559-
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OPPOSITION- G.W. GYATT, "Development and testing of Vortex-generators for small horizontal axes wind turbines", Final Report DOE/NASA/0367-1, pages 1 - 45, XP000861589-
OPPOSITION- GYATT G. W., "DEVELOPMENT AND TESTING OF VORTEX GENERATORS FOR SMALL HORIZONTAL AXIS WIND TURBINES.", Final Report DOE/NASA/0367-1, XX , (19860701), XP000861589-
OPPOSITION- Hansen M O L; Carsten Hein Westergaard, "Phenomenological model of Vortex-Generators", International Energy Agency, Aerodynamics of Wind Turbines, 9th symposiumAt: The Aeronautical Inst. of Sweden, (FFA), pages 1 - 7, XP055856555-
OPPOSITION- Peter Fuglsang, "Design and Verification of the Risø-B1 Airfoil Family for Wind Turbines", Transactions of ASME, (20041101), vol. 126, pages 1002 - 1010, XP055430802-
OPPOSITION- Peter Fuglsang et al, "Design and Verification of the Risø-B1 Airfoil Family for Wind Turbines", J. Sol. Energy Eng., (200411), vol. 126, no. 4, pages 1002 - 1010, XP055430802-
OPPOSITION- SULLIVAN, T. L., "Effect of vortex generators on the power conversion performance and structural dynamic loads of the Mod-2 wind turbine", NASA-TM-83680, E-2131, DOE/NASA/20320-59, NAS 1.15:83680, Cleveland, OH, United States, (19840601), XP055517849-
OPPOSITION- TANGLER, "Status of the Special-Purpose Airfoil Families", SERI/TP-217 -3264, (19871200), URL: https://www.nrel.gov/docs/legosti/old/3264.pdf, XP055856560-
OPPOSITION- WESTERGAARD, "Phenomenological Model of vortex generators", Conference Paper: International Energy Agency, Aerodynamics of Wind Turbines, 9th symposium, At The Aeronautical Inst. of Sweden, (FFA, Stockholm, (19951200), pages 1 - 7, XP055856555-
OPPOSITION- WETZEL, "Influence of Vortex Generators on NREL S807 Airfoil Aerodynamic Characteristics and Wind Turbine Performance", Farokhi; Wind Engineering, (19950000), vol. 19, no. 3, pages 157 - 165, XP000516437-
OPPOSITION- FUGLSANG P, BAK C, "DEVELOPMENT OF THE RISO WIND TURBINE AIRFOILS", WIND ENERGY, WILEY, CHICHESTER, GB, GB , (20040101), vol. 07, no. 02, doi:10.1002/we.117, ISSN 1099-1824, pages 145 - 162, XP008068651
OPPOSITION- VAN ROOIJ R P J O M ; TIMMER W A, "ROUGHNESS SENSITIVITY CONSIDERATIONS FOR THICK ROTOR BLADE AIRFOILS", JOURNAL OF SOLAR ENERGY ENGINEERING., ASME International, US, US , (20031101), vol. 125, no. 4, doi:10.1115/1.1624614, ISSN 0199-6231, pages 468 - 478, XP008079790
OPPOSITION- W. A. Timmer, R. P. J. O. M. Van Rooij, "Summary of the Delft University Wind Turbine Dedicated Airfoils", JOURNAL OF SOLAR ENERGY ENGINEERING., ASME International, US, US , (20030101), vol. 125, no. 4, doi:10.1115/1.1626129, ISSN 0199-6231, pages 488 - 496, XP055586939

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