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: 156 632 791 patent documents

This week's update (21/06/2024 12:00 CET):

121 162 new documents added

981 197 documents amended

GPI key values

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EP 3751200 B1 20211103 - METHOD FOR CONTROLLING A HEATER POWERED BY COMBUSTION GAS

Title (en)

METHOD FOR CONTROLLING A HEATER POWERED BY COMBUSTION GAS

Title (de)

VERFAHREN ZUR REGELUNG EINES BRENNGASBETRIEBENEN HEIZGERÄTES

Title (fr)

PROCÉDÉ DE RÉGULATION D'UN APPAREIL CHAUFFANT À GAZ COMBUSTIBLE

Publication

EP 3751200 B1 20211103 (DE)

Application

EP 20172720 A 20200504

Priority

DE 102019114919 A 20190604

IPC 8 full level

F23N 1/02 (2006.01); F23N 5/12 (2006.01)

CPC (source: EP)

F23N 1/022 (2013.01); F23N 5/123 (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 3751200 A1 20201216; EP 3751200 B1 20211103; DE 102019114919 A1 20201210

DOCDB simple family (application)

EP 20172720 A 20200504; DE 102019114919 A 20190604