Method For Producing Welded Helical-Seam Tubes Having Optimized Tube Geometry - EP2493638

The patent EP2493638 was granted to Mannesmann Grorohr on Jul 5, 2017. The application was originally filed on Aug 26, 2010 under application number EP10768373A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2493638

MANNESMANN GROROHR
Application Number
EP10768373A
Filing Date
Aug 26, 2010
Status
Opposition Rejected
Nov 6, 2020
Grant Date
Jul 5, 2017
External Links
Slate, Register, Google Patents

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SMS GROUPApr 4, 2018REUTHERADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONJPS56105816
DESCRIPTIONJPS61180613
INTERNATIONAL-SEARCH-REPORTDE102004058092
INTERNATIONAL-SEARCH-REPORTGB1340245
INTERNATIONAL-SEARCH-REPORTGB2027373
INTERNATIONAL-SEARCH-REPORTUS2007245789
INTERNATIONAL-SEARCH-REPORTUS3739134
OPPOSITIONDE10331000
OPPOSITIONDE3933389
OPPOSITIONEP0072577
OPPOSITIONJP2008238211
OPPOSITIONJPS5358954
OPPOSITIONJPS58192617
OPPOSITIONJPS61180613
OPPOSITIONUS3393546
OPPOSITIONUS3499307
OPPOSITIONUS4416131
OPPOSITIONUS5957366

Non-Patent Literature (NPL) Citations (2) 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- "Helical two Step-Verfahren", Salzgitter Mannesmann Homepage, (20170103), XP055479223-
OPPOSITION- Stahlrohrhandbuch, (19950000), XP055479218-

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Dossier Documents

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