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: 158 383 361 patent documents

This week's update (06/09/2024 12:00 CET):

131 418 new documents added

1 347 785 documents amended

GPI key values

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EP 3144540 B1 20230510 - GAS TURBINE COMPRESSOR STAGE

Title (en)

GAS TURBINE COMPRESSOR STAGE

Title (de)

GASTURBINEN-VERDICHTERSTUFE

Title (fr)

ÉTAGE DE COMPRESSEUR DE TURBINE À GAZ

Publication

EP 3144540 B1 20230510 (DE)

Application

EP 15185447 A 20150916

Priority

EP 15185447 A 20150916

IPC 8 full level

F04D 29/32 (2006.01)

CPC (source: EP US)

F04D 19/028 (2013.01 - EP US); F04D 29/324 (2013.01 - EP US); F04D 29/544 (2013.01 - EP US); F05D 2220/323 (2013.01 - EP US); F05D 2250/70 (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 3144540 A1 20170322; EP 3144540 B1 20230510; US 10280934 B2 20190507; US 2017074271 A1 20170316

DOCDB simple family (application)

EP 15185447 A 20150916; US 201615245388 A 20160824