Electric Resistance Welded Steel Pipe, And Method For Manufacturing Same - EP4043114

The patent EP4043114 was granted to JFE Steel on Mar 13, 2024. The application was originally filed on Nov 11, 2020 under application number EP20894228A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4043114

JFE STEEL
Application Number
EP20894228A
Filing Date
Nov 11, 2020
Status
Granted And Under Opposition
Feb 9, 2024
Publication Date
Mar 13, 2024
External Links
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ARCELORMITTALDec 13, 2024LAVOIXADMISSIBLE

Patent Citations (26) New

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

Citation PhasePublication Number
DESCRIPTIONJP4105796B
DESCRIPTIONJPH0551648
DESCRIPTIONJPS578723B
INTERNATIONAL-SEARCH-REPORTUS2014299236
INTERNATIONAL-SEARCH-REPORTUS6364968
INTERNATIONAL-SEARCH-REPORTWO2016103624
INTERNATIONAL-SEARCH-REPORTWO2018216638
INTERNATIONAL-SEARCH-REPORTWO2019131100
OPPOSITIONEP1462535
OPPOSITIONEP1568792
OPPOSITIONEP3020840
OPPOSITIONEP3225709
OPPOSITIONEP3239316
OPPOSITIONEP3239317
OPPOSITIONEP3299485
OPPOSITIONJP2019031698
OPPOSITIONJP5217773B
OPPOSITIONJPH06220547
OPPOSITIONJPH09227945
OPPOSITIONJPS59129729
SEARCHDE102017110631
SEARCHEP2505681
SEARCHEP3020840
SEARCHEP3239316
SEARCHEP3246427
SEARCHJPH0551648

Non-Patent Literature (NPL) Citations (12) 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- D10a-Automatic translation of D10 retrieved from Espacenet
OPPOSITION- D11a-utomatic translation of D11 retrieved from Espacenet
OPPOSITION- D12a-Automatic translation of D12 retrieved from Espacenet
OPPOSITION- D15a-Automatic translation of D15 retrieved from Espacenet
OPPOSITION- D16a-Automatic translation of D15 retrieved from Espacenet
OPPOSITION- D4a-Automatic translation of D4
OPPOSITION- Hiroshi Nakata, Kami Chikara , Matsuo Nobuyuki, "API X80 Grade Electric Resistance Welded Pipe with Excellent Low Temperature Toughness", JFE Technical report, (20160301), no. 18, pages 12 - 17, XP055457484
OPPOSITION- Kawabata Fumimaru , Keniti Amano , Taneo Hatomura , Teruo Yamaura , Shin-Ichi Deshimaru , Yasutoshi Sujita, "High Strength X80 Grade Steel Line Pipe with Superior Weldability and Improved Resistance to Unstable Ductile Fracture", Kawasaki Steel giho, (19920101), vol. 24, no. 4, pages 301 - 306, XP093240499
OPPOSITION- Goto Sota; Nakata Hiroshi; Toyoda Shunsuke; Okabe Takatoshi; Inoue Tomohiro, "Control of Microstructures and the Practical Properties of API X80 Grade Heavy-Wall High-Frequency Electric Resistance-Welded Pipe with Excellent Low-Temperature Toughness", Metallurgical and Materials Transactions A, New York, (20170726), vol. 48, no. 10, doi:10.1007/s11661-017-4242-3, ISSN 1073-5623, pages 5075 - 5084, XP036310277
OPPOSITION- Han Xiu-Lin, Wu Da-Yong, Min Xiang-Ling, Wang Xu, Liao Bo, Xiao Fu-Ren, "Influence of Post-Weld Heat Treatment on the Microstructure, Microhardness, and Toughness of a Weld Metal for Hot Bend", Metals, CH , (20160101), vol. 6, no. 4, doi:10.3390/met6040075, ISSN 2075-4701, pages 1 - 11, XP093240494
SEARCH- Kostryzhev Andrii ET AL, "MECHANICAL PROPERTY DEVELOPMENT DURING UOE FORMING OF LARGE DIAMETER LINE-PIPE STEELS*", (20081231), URL: https://www.researchgate.net/publication/261070491_Mechanical_property_development_during_UOE_forming_of_large_diameter_line-pipe_steels, (20220719), XP055944159 [A] 1-7 * the whole document *
SEARCH- YAN P. ET AL, "Crystallographic Texture of Induction-Welded and Heat-Treated Pipeline Steel", ADVANCED MATERIALS RESEARCH, (20100101), vol. 89-91, doi:10.4028/www.scientific.net/AMR.89-91.651, pages 651 - 656, XP055944158 [A] 1-7 * the whole document *

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