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

GPI key values

Run regular monitoring (e.g. monthly or quarterly) of technical areas or companies

Use built-in charts to visualise technical trends and patenting activity of companies

Choose the data you want to see and download to focus on what you are interested in

Run data quality assessments to measure the risk of incomplete search results

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