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 3680553 B1 20210825 - METHOD FOR REGULATING THE COMBUSTION AIR RATIO OF A BURNER OF A HEATER

Title (en)

METHOD FOR REGULATING THE COMBUSTION AIR RATIO OF A BURNER OF A HEATER

Title (de)

VERFAHREN ZUM REGELN DES VERBRENNUNGSLUFTVERHÄLTNISSES AM BRENNER EINES HEIZGERÄTES

Title (fr)

PROCÉDÉ DE RÉGULATION DU RAPPORT D'AIR DE COMBUSTION SUR LE BRÛLEUR D'UN APPAREIL DE CHAUFFAGE

Publication

EP 3680553 B1 20210825 (DE)

Application

EP 19215519 A 20191212

Priority

DE 102019100467 A 20190110

IPC 8 full level

F23N 5/12 (2006.01); F23N 5/24 (2006.01)

CPC (source: EP)

F23N 5/123 (2013.01); F23N 5/203 (2013.01); F23N 5/242 (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 3680553 A1 20200715; EP 3680553 B1 20210825; DE 102019100467 A1 20200716; ES 2898383 T3 20220307; PL 3680553 T3 20220117

DOCDB simple family (application)

EP 19215519 A 20191212; DE 102019100467 A 20190110; ES 19215519 T 20191212; PL 19215519 T 20191212