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: 160 856 381 patent documents

This week's update (10/01/2025 12:00 CET):

65 717 new documents added

1 162 571 documents amended

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EP 2861939 A1 20150422 - SENSING SYSTEMS AND METHODS FOR DISTRIBUTED BRILLOUIN SENSING

Title (en)

SENSING SYSTEMS AND METHODS FOR DISTRIBUTED BRILLOUIN SENSING

Title (de)

MESSSYSTEME UND VERFAHREN FÜR VERTEILTE BRILLOUINERFASSUNG

Title (fr)

SYSTÈMES ET PROCÉDÉS DE DÉTECTION POUR DÉTECTION BRILLOUIN DISTRIBUÉE

Publication

EP 2861939 A1 20150422 (EN)

Application

EP 13707684 A 20130307

Priority

EP 2012061181 W 20120613
EP 2013054652 W 20130307
EP 13707684 A 20130307

IPC 8 full level

G01D 5/353 (2006.01); G01M 11/08 (2006.01)

CPC (source: EP)

G01D 5/353 (2013.01); G01D 5/35348 (2013.01); G01D 5/35364 (2013.01); G01M 11/083 (2013.01)

Citation (search report)

See references of WO 2013185938A1

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2861939 A1 20150422

DOCDB simple family (application)

EP 13707684 A 20130307