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: 159 679 824 patent documents

This week's update (08/11/2024 12:00 CET):

164 112 new documents added

576 445 documents amended

GPI key values

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EP 3481143 B1 20210714 - HEATING SYSTEM FOR OPERATING A HEATING ELEMENT

Title (en)

HEATING SYSTEM FOR OPERATING A HEATING ELEMENT

Title (de)

HEIZSYSTEM ZUM BETREIBEN EINES HEIZELEMENTS

Title (fr)

SYSTÈME DE CHAUFFAGE PERMETTANT LE FONCTIONNEMENT D'UN ÉLÉMENT CHAUFFANT

Publication

EP 3481143 B1 20210714 (DE)

Application

EP 17200251 A 20171107

Priority

EP 17200251 A 20171107

IPC 8 full level

H05B 1/02 (2006.01); H05B 3/68 (2006.01)

CPC (source: EP)

H05B 1/0258 (2013.01); H05B 3/68 (2013.01); H05B 2213/07 (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 3481143 A1 20190508; EP 3481143 B1 20210714

DOCDB simple family (application)

EP 17200251 A 20171107