Wind Turbine With Slender Blade - EP3617496

The patent EP3617496 was granted to Wobben Properties on Oct 23, 2024. The application was originally filed on Apr 2, 2007 under application number EP19188863A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3617496

WOBBEN PROPERTIES
Application Number
EP19188863A
Filing Date
Apr 2, 2007
Status
Granted And Under Opposition
Sep 19, 2024
Publication Date
Oct 23, 2024
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (2)

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GE WIND ENERGYJul 23, 2025ZIMMERMANN & PARTNER PATENTANWALTE MBBADMISSIBLE
NORDEX ENERGYJul 23, 2025HAUCKADMISSIBLE

Patent Citations (25) New

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

Citation PhasePublication Number
DESCRIPTIONEP0845580
DESCRIPTIONNL1012949C
DESCRIPTIONUS2006131889
DESCRIPTIONUS2006232073
DESCRIPTIONUS3578264
DESCRIPTIONUS4674717
DESCRIPTIONUS5734990
DESCRIPTIONUS6072245
DESCRIPTIONWO0015961
DESCRIPTIONWO03067169
DESCRIPTIONWO2004078465
EXAMINATIONEP1152148
OPPOSITIONEP0663527
OPPOSITIONEP1152148
OPPOSITIONEP1314885
OPPOSITIONUS5417548
OPPOSITIONWO0015961
OPPOSITIONWO0116482
OPPOSITIONWO2006090215
OPPOSITIONWO2007114698
OPPOSITIONWO9201865
SEARCHUS3578264
SEARCHWO0015961
SEARCHWO2005035978
SEARCHWO9011929

Non-Patent Literature (NPL) Citations (23) 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
DESCRIPTION- CORTEN, G.P., Flow Separation on Wind Turbine Blades, ISBN 90-393-2582-0.
EXAMINATION- Ruud Van Rooij ET AL, "03 May, 2004 1 DUWIND, section Wind Energy, Faculty CiTG Design of Airfoils for Wind Turbine Blades", (20040503), URL: https://gcep.stanford.edu/pdfs/energy_workshops_04_04/wind_van_rooij.pdf, (20210114), XP055765005
OPPOSITION- Corten G. P., "Flow Separation on Wind Turbine Blades", Thesis, Universiteit Utrecht, Universiteit Utrecht, (20010116), Thesis, URL: https://dspace.library.uu.nl/bitstream/handle/1874/653/full.pdf, (20211101), XP055856559
OPPOSITION- D26 - Entscheidungsbegründung EP 07747361.9
OPPOSITION- D27 - Vorläufige Auffassung Beschwerdekammer T1017/23-3.2.04
OPPOSITION- D28 - Protokoll mündl. Verhandlung T1017/23-3.2.04
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OPPOSITION- G E Miller, "COMPARATIVE PERFORMANCE TESTS ON THE MOD-2, 2.5-MW WIND TURBINE WITH AND WITHOUT VORTEX GENERATORS", NASA Technical Report N95-27978, (19950501), pages 67 - 77, XP055464339
OPPOSITION- GYATT G. W., "DEVELOPMENT AND TESTING OF VORTEX GENERATORS FOR SMALL HORIZONTAL AXIS WIND TURBINES.", Final Report DOE/NASA/0367-1, XX, XX, XX , (19860701), pages A + B + C + 01 - 40 + ABSTRACT., 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), (19951201), pages 1 - 7, XP055856555
OPPOSITION- Hau, Eric, "Kapitel 5: Aerodynamik des Rotors", Windkraftanlagen, Heidelberg, Springer, (20080101), pages 89 - 164, ISBN 978-3-540-72150-5, XP009558657
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., "Wind tunnel tests of the FFA-W3-241, FFA-W3-301 and NACA 63-430 airfoils", Riso National Laboratory, (19981201), XP055464772
OPPOSITION- Peter Fuglsang, Et Al., "Wind Tunnel Tests of the Risoe-A1-18, Risoe-A1-21 and Risoe-A1-24 Airfoils", Final draft Riso National Laboratory, (19990101), pages 1 - 102, Final draft Riso National Laboratory, (20170713), XP055390642
OPPOSITION- Timothy L Sullivan, Virginia Hampton _, "DOE/NASA/20320-59 NASA TM-83680 ' NASA-TM-836S0 Effect of Vortex Generators on the Power Conversion Performance and Structural Dynamic Loads of the Mod-2 Wind Turbine", (19840601), URL: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19840021278.pdf, (20190902), XP055617603
OPPOSITION- Unknown, "Innovative Design Approaches for large wind turbine blades Final Report", SAND 2004-0074, Unlimited Release, (20040501), SAND 2004-0074, Unlimited Release, (20160601), XP055276869
OPPOSITION- Unknown, "Parametric Study for large wind turbine blades", SAND 2002-2519, Unlimited Release, (20020801), SAND 2002-2519, Unlimited Release, (20160601), XP055276868
OPPOSITION- WETZEL K. K., FAROKHI S., "INFLUENCE OF VORTEX GENERATORS ON NREL S807 AIRFOIL AERODYNAMIC CHARACTERISTICS AND WIND TURBINE PERFORMANCE.", WIND ENGINEERING., MULTI-SCIENCE PUBLISHING CO., BRENTWOOD, ESSEX., GB, GB , (19950101), vol. 19., no. 03., ISSN 0309-524X, pages 157 - 165., XP000516437
OPPOSITION- PETER FUGLSANG, CHRISTIAN BAK, "Development of the Risø wind turbine airfoils", WIND ENERGY, WILEY, CHICHESTER, GB, GB , (20040524), vol. 7, no. 2, doi:10.1002/we.117, ISSN 1099-1824, pages 145 - 162, XP002436915
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
SEARCH- Anonymous, "Lift coefficient - Wikipedia", (20160729), URL: https://en.wikipedia.org/w/index.php?title=Lift_coefficient&printable=yes, (20161209), XP055327714 [T] 1-20 * the whole document *
SEARCH- Woodhead ET AL, "Advances in wind turbine blade design and materials", (20131031), URL: https://www.semanticscholar.org/paper/Advances-in-wind-turbine-blade-design-and-materials-Br%C3%B8ndsted-Nijssen/9adefbf08b95b2fdc90762f58e30e3d5b67d83b7, (20171013), XP055415720 [T] 1-20 * the whole document *

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