GPI coverage and content

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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 documents amended

GPI key values

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EP 3231980 B1 20181212 - DRILLING HEAD WITH A CHISEL HOLDER AND A METHOD OF ASSEMBLING THE SAME

Title (en)

DRILLING HEAD WITH A CHISEL HOLDER AND A METHOD OF ASSEMBLING THE SAME

Title (de)

BOHRKOPF MIT EINEM MEISSELHALTER SOWIE VERFAHREN ZUM ZUSAMMENBAUEN DESSELBEN

Title (fr)

TÊTE D'ALÉSAGE COMPRENANT UN SUPPORT DE BURIN ET LEUR PROCÉDÉ D'ASSEMBLAGE

Publication

EP 3231980 B1 20181212 (DE)

Application

EP 17450003 A 20170329

Priority

AT 802016 A 20160407

IPC 8 full level

E21B 1/00 (2006.01); E21B 7/20 (2006.01)

CPC (source: EP US)

E21B 7/20 (2013.01 - EP); E21B 10/38 (2013.01 - EP US)

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

DOCDB simple family (publication)

EP 3231980 A1 20171018; EP 3231980 B1 20181212; PL 3231980 T3 20190830

DOCDB simple family (application)

EP 17450003 A 20170329; PL 17450003 T 20170329