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: 156 511 693 patent documents

This week's update (14/06/2024 12:00 CET):

200 241 new documents added

1 026 356 documents amended

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EP 2848778 B1 20210721 - Method and device for the conversion of geothermal energy

Title (en)

Method and device for the conversion of geothermal energy

Title (de)

Verfahren und Anlage zur Umwandlung von geothermischer Energie

Title (fr)

Procédé et appareil de transformation d'énergie géothermique

Publication

EP 2848778 B1 20210721 (DE)

Application

EP 13004458 A 20130912

Priority

EP 13004458 A 20130912

IPC 8 full level

F01K 25/10 (2006.01)

CPC (source: EP)

F01K 25/106 (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 2848778 A1 20150318; EP 2848778 B1 20210721

DOCDB simple family (application)

EP 13004458 A 20130912