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

GPI key values

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EP 1488171 B1 20080507 - BURNER DESIGN WITH HIGHER RATES OF FLUE GAS RECIRCULATION AND REDUCED NOx EMISSIONS

Title (en)

BURNER DESIGN WITH HIGHER RATES OF FLUE GAS RECIRCULATION AND REDUCED NOx EMISSIONS

Title (de)

BRENNERAUSBILDUNG MIT HÖHEREN ABGASRÜCKFÜHRVERHÄLTNISSEN UND REDUZIERTER NOX-EMISSION

Title (fr)

CONCEPTION DE BRULEUR A TAUX PLUS ELEVE DE RECIRCULATION DES FUMEES ET EMISSIONS NOX REDUITES

Publication

EP 1488171 B1 20080507 (EN)

Application

EP 03728252 A 20030314

Priority

US 0308056 W 20030314
US 36522402 P 20020316
US 36513902 P 20020316

IPC 8 full level

F23D 14/08 (2006.01); F23C 9/08 (2006.01)

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 PT RO SE SI SK TR

DOCDB simple family (publication)

AT E394635 T1 20080515; AU 2003233405 A1 20031008; DE 60320771 D1 20080619; EP 1488171 A1 20041222; EP 1488171 B1 20080507; JP 2006501427 A 20060112; JP 4264005 B2 20090513

DOCDB simple family (application)

AT 03728252 T 20030314; AU 2003233405 A 20030314; DE 60320771 T 20030314; EP 03728252 A 20030314; JP 2003578825 A 20030314