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: 157 117 910 patent documents

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

139 301 new documents added

1 340 825 documents amended

GPI key values

Run regular monitoring (e.g. monthly or quarterly) of technical areas or companies

Use built-in charts to visualise technical trends and patenting activity of companies

Choose the data you want to see and download to focus on what you are interested in

Run data quality assessments to measure the risk of incomplete search results

EP 1725902 A1 20061129 - DEVICE FOR HOMOGENIZING LIGHT AND ARRANGEMENT FOR ILLUMINATING OR FOCUSSING WITH SAID DEVICE

Title (en)

DEVICE FOR HOMOGENIZING LIGHT AND ARRANGEMENT FOR ILLUMINATING OR FOCUSSING WITH SAID DEVICE

Title (de)

VORRICHTUNG ZUR HOMOGENISIERUNG VON LICHT SOWIE ANORDNUNG ZUR BELEUCHTUNG ODER FOKUSSIERUNG MIT EINER DERARTIGEN VORRICHTUNG

Title (fr)

DISPOSITIF POUR HOMOGENEISER LA LUMIERE, ET SYSTEME D'ECLAIRAGE OU DE FOCALISATION FAISANT APPEL A CE DISPOSITIF

Publication

EP 1725902 A1 20061129 (DE)

Application

EP 04764309 A 20040820

Priority

EP 2004009325 W 20040820
DE 102004011074 A 20040306
DE 102004034253 A 20040714
EP 2004008944 W 20040810
EP 04764309 A 20040820

IPC 8 full level

G02B 27/09 (2006.01); H01S 3/00 (2006.01)

Citation (search report)

See references of WO 2005085935A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1725902 A1 20061129

DOCDB simple family (application)

EP 04764309 A 20040820