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: 159 212 084 patent documents

This week's update (18/10/2024 12:00 CET):

125 820 new documents added

1 120 546 documents amended

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EP 3587729 B1 20210414 - CONNECTION OF TWO DRILL STRING ELEMENTS OF A DRILL STRING FOR EARTH DRILLING

Title (en)

CONNECTION OF TWO DRILL STRING ELEMENTS OF A DRILL STRING FOR EARTH DRILLING

Title (de)

VERBINDUNG ZWEIER BOHRSTRANGGLIEDER EINES BOHRSTRANGS ZUM ERDBOHREN

Title (fr)

RACCORDEMENT DE DEUX MEMBRES DE TIGE DE FORAGE D'UNE TIGE DE FORAGE DESTINÉ AU FORAGE DU SOL

Publication

EP 3587729 B1 20210414 (DE)

Application

EP 19181205 A 20190619

Priority

DE 102018004951 A 20180622

IPC 8 full level

E21B 17/046 (2006.01)

CPC (source: EP US)

E21B 17/0465 (2020.05 - 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 3587729 A1 20200101; EP 3587729 B1 20210414; DE 102018004951 A1 20191224; EP 3868998 A1 20210825; EP 3868998 B1 20230927

DOCDB simple family (application)

EP 19181205 A 20190619; DE 102018004951 A 20180622; EP 21167590 A 20190619