A Method For Manufacturing A Ball Bearing, Notably For A Butterfly Valve In An Aeronautical Environment - EP2935918

The patent EP2935918 was granted to Liebherr Aerospace Toulouse on Nov 13, 2024. The application was originally filed on Dec 18, 2013 under application number EP13818724A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2935918

LIEBHERR AEROSPACE TOULOUSE
Application Number
EP13818724A
Filing Date
Dec 18, 2013
Status
Patent Maintained As Amended
Oct 11, 2024
Grant Date
Nov 13, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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

Get instant alerts for new oppositions and patent status changes

MINEBEAMITSUMI TECHNOLOGY CENTER EUROPEJan 29, 2020RIEBLINGADMISSIBLE

Patent Citations (15) New

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

Citation PhasePublication NumberPublication Link
EXAMINATIONEP2517805
EXAMINATIONUS7571742
INTERNATIONAL-SEARCH-REPORTDE102005022730
INTERNATIONAL-SEARCH-REPORTDE102010019587
INTERNATIONAL-SEARCH-REPORTUS5108491
OPPOSITIONEP2517805
OPPOSITIONUS5525140
OPPOSITIONUS5578773
OPPOSITIONUS7571742
OPPOSITIONWO2007021243
OTHEREP2517805
OTHERUS5525140
OTHERUS5578773
OTHERUS7571742
OTHERWO2007021243

Non-Patent Literature (NPL) Citations (22) 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
EXAMINATION- Carol Davis, "MRC Bearing Services Hybrid Ceramic Ball Bearings Extended Service Life Extended Grease Life", www.bartlettbearing.com, (20021231), pages 1 - 4, URL: http://www.bartlettbearing.com/pdf/MRC Hybrid Ceramic Ball Bearings.pdf, (20140106), XP055094781-
EXAMINATION- ERASTEEL, "Powder metallurgy HSS ASP@2060", N.N., (20121231), pages 1 - 2, XP055329973-
EXAMINATION- European Powder Metallurgy Association, "Introduction to Powder Metallurgy The Process and Its Production", (19920101), URL: http://www.epma.com/247-introduction-to-powder-metallurgy/file, (20161219), XP055330191-
EXAMINATION- European Powder Metallurgy Association, "Powder Metallurgy Components: Production Cycle", (19900101), page 1, URL: http://www.epma.com/252-powder-metallurgy-components-production-cycle-poster/file, (20161219), XP055330184-
EXAMINATION- Schaeffler Group, "A Brief Introduction to Rolling Bearings", (20090101), pages 1 - 16, URL: http://www.schaeffler.com/remotemedien/media/_shared_media/08_media_library/01_publications/schaeffler_2/brochure/downloads_1/bwk_de_en.pdf, (20161219), XP055330175-
OPPOSITION- A BRIEF INTRODUCTION TO ROLLING BEARINGS, 2009, XP055330175-
OPPOSITION- ANDERS THUVANDER et al., "Material property database for heat treatment simulation of tool materials", steel research, (19970000), vol. 68, no. 3, pages 125 - 131, XP055498767-
OPPOSITION- Erasteel, "Powder metallurgy HSS ASP@2060", (20120101), pages 1 - 2, XP055329973-
OPPOSITION- GEORGE ROBERTS et al., Tool Steels, (19980000), XP055676787-
OPPOSITION- G. TOTTEN et al., Handbook of Residual Stress and Deformation of Steel, Materials Park, ISBN 0-87170-729-2, XP055676786-
OPPOSITION- INTRODUCTION TO POWDER METALLURGY, 1992, XP055330191-
OPPOSITION- JOÃO MANUEL GREGORIO MASCARENHAS, SINTERING BEHAVIOUR, MICROSTRUCTURE AND MECHANICAL PROPERTIES OF VANADIUM ENRICHED HIGH SPEED STEELS PROCESSED IN VACUUM AND NITROGEN RICH ATMOSPHERES, (19970000), XP055676798-
OPPOSITION- JOHN P. FRICK et al., Woldman's Engineering Alloys, (20000000), ISBN 0-87170-691-1, XP055676753-
OPPOSITION- JOSEPH M. CAPUS, Metal Powders, A Global Survey of Production, Applications and Markets to 2010, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1 GB , UK, (20050000), ISBN 1856174794, XP055676769-
OPPOSITION- LIZHI WU et al., "Developments and Challenges of China High-Speed Steel Industry over last Decade", Advanced Steels, (20110000), pages 453 - 461, XP055501313-
OPPOSITION- M. A. Gomes, A.S. Wronski, C.S. Wright, "Fracture Behaviour of a Highly Alloyed High Speed Steel", Fatigue & Fracture of Engineering Materials & Structures, (19950101), vol. 18, no. 1, pages 1 - 18, XP055501309-
OPPOSITION- MRC HYBRID CERAMIC BALL BEARINGS, 2002, XP055094781-
OPPOSITION- OLIVIER LAURENT, "Updated Materials for Hardened Steel Bearing Components", Handout of the presentation held on 2011 ASTM International Symposium on Rolling Element Bearings, Bearing Technology Exhibit, ASTM Committee F34 on Rolling Element Bearings, Anaheim, CA, (20110413), XP055676758-
OPPOSITION- POWDER METALLURGY COMPONENTS PRODUCTION CYCLE, 1990, XP055330184-
OPPOSITION- Y. BIENVENU et al., "Aciers rapides produits par metallurgie des poudres . Etat de I'art et perspectives", La Revue de Metallurgie- CIT/ Science et Genie des Materiaux, (19940404), pages 693 - 706, XP055498771-
OPPOSITION- OLLE GRINDER, "The HIP way to make cleaner", better steels, (20071000), doi:10.1016/S0026-0657(07)70190-X, pages 16 - 22, XP022295091
OPPOSITION- Anonymous, "Tool Steels", Alloying: Understanding the Basics, ASM International, (20010101), pages 210 - 233, doi:10.1361/autb2001p210, XP055498750

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents