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: 156 511 693 patent documents

This week's update (14/06/2024 12:00 CET):

200 241 new documents added

1 026 356 documents amended

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EP 3290798 B1 20201223 - METHOD FOR CONTROLLING A FUEL/AIR RATIO IN A HEATING SYSTEM AND A CONTROL UNIT AND A HEATING SYSTEM

Title (en)

METHOD FOR CONTROLLING A FUEL/AIR RATIO IN A HEATING SYSTEM AND A CONTROL UNIT AND A HEATING SYSTEM

Title (de)

VERFAHREN ZUR EINSTELLUNG UND REGELUNG EINES BRENNSTOFF-LUFT-VERHÄLTNISSES IN EINEM HEIZSYSTEM SOWIE EINE STEUEREINHEIT UND EIN HEIZSYSTEM

Title (fr)

PROCÉDÉ DE RÉGLAGE ET DE COMMANDE D'UN RAPPORT AIR-COMBUSTIBLE DANS UN SYSTÈME DE CHAUFFAGE AINSI QU'UNITÉ DE COMMANDE ET SYSTÈME DE CHAUFFAGE

Publication

EP 3290798 B1 20201223 (DE)

Application

EP 17187858 A 20170825

Priority

DE 102016216630 A 20160902
DE 102017204003 A 20170310

IPC 8 full level

F23N 1/00 (2006.01); F23N 5/12 (2006.01)

CPC (source: EP)

F23N 1/002 (2013.01); F23N 5/123 (2013.01); F23N 2233/08 (2020.01)

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 3290798 A1 20180307; EP 3290798 B1 20201223

DOCDB simple family (application)

EP 17187858 A 20170825