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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 documents amended

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EP 2894389 B1 20191023 - Replacement of incandescent lamps railway signals by light emitting diodes

Title (en)

Replacement of incandescent lamps railway signals by light emitting diodes

Title (de)

Ersatz von Glühlampen an Bahnsignalen durch Leuchtdioden

Title (fr)

Remplacement de lampes à incandescence sur des signaux ferroviaires par des diodes électroluminescentes

Publication

EP 2894389 B1 20191023 (DE)

Application

EP 14151166 A 20140114

Priority

EP 14151166 A 20140114

IPC 8 full level

F21K 99/00 (2016.01); B61L 5/18 (2006.01)

CPC (source: EP)

B61L 5/1881 (2013.01); B61L 2207/02 (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 2894389 A1 20150715; EP 2894389 B1 20191023

DOCDB simple family (application)

EP 14151166 A 20140114