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Gas Turbine Engine - EP3792471

The patent EP3792471 was granted to Rolls Royce on Nov 5, 2025. The application was originally filed on Aug 12, 2020 under application number EP20190605A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3792471

ROLLS ROYCE
Application Number
EP20190605A
Filing Date
Aug 12, 2020
Status
Patent Maintained As Amended
Oct 3, 2025
Publication Date
Nov 5, 2025
External Links
Slate, Register, Google Patents

Patent Summary

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SAFRAN AIRCRAFT ENGINESMar 6, 2024REGIMBEAUADMISSIBLE

Patent Citations (8) New

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

Citation PhasePublication Number
OPPOSITIONUS2017175675
OPPOSITIONUS2017284220
OPPOSITIONUS5209644
OPPOSITIONUS8678743
SEARCHUS2007130959
SEARCHUS2008223135
SEARCHUS8678743
SEARCHWO2019038510

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- Anonymous, "Pratt & Whitney PW1000G", Wikipedia, the free encyclopedia, (20190701), Wikipedia, the free encyclopedia, URL: https://web.archive.org/web/20190701064543/https://en.wikipedia.org/wiki/Pratt_%2526_Whitney_PW1000G, XP093171186
OPPOSITION- Anonymous, "PW1133G-JM Series Engines", International Aero Engines, LLC -Type-Certificate Data Sheet E00087EN, (20151120), pages 1 - 7, International Aero Engines, LLC -Type-Certificate Data Sheet E00087EN , XP093171166
OPPOSITION- Aretakis Nikolaos, Kolias Ioannis; Alexiou Alexios; Roumeliotis Ioannis; Mathioudakis Konstantinos; ; ; , "Performance Modelling of an Ultra-High Bypass Ratio Geared Turbofan", 23rd ISABE Conference 2017, Manchester, U, Manchester, U, (20170901), pages 1 - 14, 23rd ISABE Conference 2017, URL: https://www.researchgate.net/publication/319956246_Performance_Modelling_of_an_Ultra-High_Bypass_Ratio_Geared_Turbofan, XP093171180
OPPOSITION- D. E. Gray, "Energy efficient engine preliminary design and integration studies", NASA CR-135396, NASA, (19781101), pages 1 - 366, NASA CR-135396, URL: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790003913.pdf, (20160615), XP055280688
OPPOSITION- Easa, "PW1100G-JM Series Engines ", EASA - TYPE-CERTIFICATE DATA SHEET No. IM.E.093, (20190527), pages 1 - 12, EASA - TYPE-CERTIFICATE DATA SHEET No. IM.E.093, XP093171172
OPPOSITION- Easa, "PW1500G Series Engines", EASA - Type-Certificate Data Sheet No. IM.E.090, (20190320), pages 1 - 17, EASA - Type-Certificate Data Sheet No. IM.E.090, XP093171174
OPPOSITION- Zhao X, Sahoo S.; Kyprianidis K.; Rantzer J.; Sielemann M., "Off-design performance analysis of hybridised aircraft gas turbine", AERONAUTICAL JOURNAL., ROYAL AERONAUTICAL SOCIETY, TORNBRIDGE., GB, GB , (20191201), vol. 123, no. 1270, doi:10.1017/aer.2019.75, ISSN 0001-9240, pages 1999 - 2018, XP093171178
SEARCH- B737Theory, "N1 and N2 explained", (20161112), URL: https://www.facebook.com/B737Theory/posts/n1-and-n2-explainedthe-cfm56-7b27-is-a-high-bypass-51-ratio-turbofan-engine-and-/1425181157510496/, (20210125), XP002801820 [X] 1 * the whole document *

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Dossier Documents

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