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Wind Turbine Blade Having A Geometric Sweep - EP2761170

The patent EP2761170 was granted to Siemens on Mar 8, 2017. The application was originally filed on Jan 15, 2013 under application number EP13700700A. The patent is currently recorded with a legal status of "Revoked".

EP2761170

SIEMENS
Application Number
EP13700700A
Filing Date
Jan 15, 2013
Status
Revoked
Jan 18, 2019
Grant Date
Mar 8, 2017
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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CompanyOpposition DateOpposition Status

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ENERCONDec 8, 2017ADMISSIBLE
VESTAS WIND SYSTEMSDec 7, 2017 -
NORDEX ENERGYDec 6, 2017ADMISSIBLE

Patent Citations (16) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTDE102006034828
INTERNATIONAL-SEARCH-REPORTEP2096300
INTERNATIONAL-SEARCH-REPORTEP2141355
INTERNATIONAL-SEARCH-REPORTUS2006067828
INTERNATIONAL-SEARCH-REPORTUS2011052404
OPPOSITIONDE10300284
OPPOSITIONDE19738278
OPPOSITIONEP2141355
OPPOSITIONEP2169217
OPPOSITIONUS2006067828
OPPOSITIONUS2006216153
OPPOSITIONUS2007025856
OPPOSITIONUS2009324416
OPPOSITIONUS2011052404
OPPOSITIONUS5584661
OPPOSITIONWO2012164045

Non-Patent Literature (NPL) Citations (7) 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- "A wind-tunnel investigation of the aerodynamic characteristics of a full-scale sweptback propeller and two related straight propellers", NACA Research Memorandum L50J05, (19510104), pages 1 - 102, XP055439258-
OPPOSITION- D. VERELST et al, "Load Consequences when Sweeping Blades", Riso DTU, National Laboratory for Sustainable Energy, (20100800), XP055445307-
OPPOSITION- M. H. HANSEN, "Aeroelastic properties of backward swept blades", 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Aerospace Sciences Meetings, (20110000), XP055445284-
OPPOSITION- "Pressetag Innovation Day 2011", (20110518), URL: https://www.siemens.com/press/de/events/2011/corporate/2011-05-innovationday.php, XP055439241-
OPPOSITION- REINHOLD ACHATZ, "Innovations in Partnership", Siemens Innovation Day Presentation, (20110000), pages 1 - 8, XP055439238-
OPPOSITION- S. LARWOOD, "Dynamic Analysis Tool Development for Ad- vanced Geometry Wind Turbine Blades", DISSERTATION Submitted in partial satisfaction of the requirements for the degree of DOCTOR OF PHILOSOPHY in Mechanical and Aeronautical Engineering in the OFFICE OF GRADUATE STUDIES of the UNIVERSITY OF CALIFORNIA, (20090000), XP055445293-
OPPOSITION- THOMAS D. ASHWILL et al., "Development of the Sweep-Twist Adaptive Rotor (STAR) Blade", 48th AIAA Aerospace Sciences Meeting,, (20100000), XP055445300-

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Dossier Documents

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