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You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 156 632 791 patent documents

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121 162 new documents added

981 197 documents amended

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EP 3914420 A1 20211201 - METHOD FOR HONING MACHINING OF AN OPENING IN A WORKPIECE

Title (en)

METHOD FOR HONING MACHINING OF AN OPENING IN A WORKPIECE

Title (de)

VERFAHREN ZUR HONBEARBEITUNG EINER WERKSTÜCKÖFFNUNG

Title (fr)

PROCÉDÉ D'USINAGE PAR RODAGE D'UNE OUVERTURE DANS UNE PIÈCE

Publication

EP 3914420 A1 20211201 (DE)

Application

EP 21711499 A 20210308

Priority

DE 102020106871 A 20200312
EP 2021055763 W 20210308

Abstract (en)

[origin: WO2021180641A1] The invention relates to a honing device and a method for machining an opening in a workpiece.

IPC 8 full level

B24B 33/02 (2006.01)

CPC (source: EP)

B24B 33/02 (2013.01); B24B 33/087 (2013.01)

Citation (search report)

See references of WO 2021180641A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

DE 102020106871 A1 20210916; EP 3914420 A1 20211201; EP 3914420 B1 20220629; WO 2021180641 A1 20210916

DOCDB simple family (application)

DE 102020106871 A 20200312; EP 2021055763 W 20210308; EP 21711499 A 20210308