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: 158 251 954 patent documents

This week's update (30/08/2024 12:00 CET):

170 720 new documents added

1 828 765 documents amended

GPI key values

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EP 3418487 B1 20200805 - METHOD FOR CLEANING A DRILLING ROD CONTAMINATED WITH POLLUTANT AND CLEANING ASSEMBLY FOR SAME

Title (en)

METHOD FOR CLEANING A DRILLING ROD CONTAMINATED WITH POLLUTANT AND CLEANING ASSEMBLY FOR SAME

Title (de)

VERFAHREN ZUM REINIGEN EINER MIT SCHADSTOFF KONTAMINIERTEN BOHRSTANGE UND REINIGUNGSANORDNUNG HIERZU

Title (fr)

PROCÉDÉ DE NETTOYAGE D'UNE TIGE DE FORAGE CONTAMINÉE PAR DES SUBSTANCES NOCIVES ET SYSTÈME DE NETTOYAGE ASSOCIÉ

Publication

EP 3418487 B1 20200805 (DE)

Application

EP 17177659 A 20170623

Priority

EP 17177659 A 20170623

IPC 8 full level

E21B 17/00 (2006.01); E21B 12/00 (2006.01)

CPC (source: EP)

E21B 12/00 (2013.01); E21B 17/006 (2013.01)

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 3418487 A1 20181226; EP 3418487 B1 20200805

DOCDB simple family (application)

EP 17177659 A 20170623