IP Verse

Wind Turbine Blade Including Protective Cover - EP3513060

The patent EP3513060 was granted to Polytech on Aug 13, 2025. The application was originally filed on Sep 13, 2016 under application number EP16778106A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3513060

POLYTECH
Application Number
EP16778106A
Filing Date
Sep 13, 2016
Status
Patent Maintained As Amended
Jun 30, 2023
Grant Date
Aug 13, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

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SIEMENS GAMESA RENEWABLE ENERGYDec 11, 2020SGRE ASSOCIATIONWITHDRAWN
BTB BUNGARTZ BALTZER PARTNERSCHAFT MBBDec 8, 2020-ADMISSIBLE

Patent Citations (31) New

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

Citation PhasePublication Number
DESCRIPTIONEP2927482
DESCRIPTIONUS2011243751
DESCRIPTIONWO2016075619
INTERNATIONAL-SEARCH-REPORTCN201786551U
INTERNATIONAL-SEARCH-REPORTEP2559891
INTERNATIONAL-SEARCH-REPORTUS2010028160
INTERNATIONAL-SEARCH-REPORTWO2004076852
INTERNATIONAL-SEARCH-REPORTWO2016075619
OPPOSITIONCN201786551U
OPPOSITIONCN204532706U
OPPOSITIONDE102012100667
OPPOSITIONDE102013210405
OPPOSITIONEP2161457
OPPOSITIONEP2416950
OPPOSITIONEP2559891
OPPOSITIONEP2927482
OPPOSITIONEP3144525
OPPOSITIONUS2007036659
OPPOSITIONUS2009087314
OPPOSITIONUS2010028160
OPPOSITIONUS2011243751
OPPOSITIONUS2012100005
OPPOSITIONUS2013108457
OPPOSITIONUS2013129520
OPPOSITIONUS2013239586
OPPOSITIONUS2013294923
OPPOSITIONUS2014328687
OPPOSITIONUS4895491
OPPOSITIONUS5908522
OPPOSITIONWO2004076852
OPPOSITIONWO2016075619

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- "Alexit BladeRep video", Blade Rep Leading Edge Protection, vol. 9, (20130327), URL: https://www.youtube.com/watch?v=vMFEOxxVcic
OPPOSITION- Anonymous, "3M™ Wind Blade Protection Coating W4600", W4600 datasheet, (20140600), pages 1 - 2, XP055762609
OPPOSITION- Anonymous, "How to choose the right masking tape", 3M catalog, (20100101), pages 1 - 2, XP055761003
OPPOSITION- Anonymous, "Sikaflex® -521 UV", Sikaflex datasheet, (20130800), pages 1 - 2, XP055762610
OPPOSITION- KEEGAN MH, "Wind Turbine Blade Leading Edge Erosion: An investigation of rain droplet and hailstone impact induced damage mechanisms", PhD Thesis, (20140000), pages 1 - 376
OPPOSITION- Herring Robbie; Dyer Kirsten; Martin Ffion; Ward Carwyn, "The increasing importance of leading edge erosion and a review of existing protection solutions", Renewable and Sustainable Energy Reviews, ELSEVIERS SCIENCE, NEW YORK, NY., US, US, (20190913), vol. 115, doi:10.1016/j.rser.2019.109382, ISSN 1364-0321, XP085890184
OPPOSITION- Givens Rouzee E., "Polyurethane as erosion resistant material for helicopter rotor blades", USAAML Technical Report 65-39, (19650500), pages 1 - 48, XP055471573
OPPOSITION- Bruce J. Holmes, Clifford J. Obara, Glenn L. Martin and Christopher S. Domack, "Manufacturing Tolerances for Natural Laminar Flow Airframe Surfaces", Society of Automotive Engineers, (19860000), pages 522 - 531, XP055717270

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Dossier Documents

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