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: 157 593 259 patent documents

This week's update (02/08/2024 12:00 CET):

108 752 new documents added

1 451 440 documents amended

GPI key values

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

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EP 3121548 B1 20220706 - HEAT EXCHANGE ELEMENT

Title (en)

HEAT EXCHANGE ELEMENT

Title (de)

WÄRMEAUSTAUSCHELEMENT

Title (fr)

ÉLÉMENT D'ÉCHANGE THERMIQUE

Publication

EP 3121548 B1 20220706 (DE)

Application

EP 15178348 A 20150724

Priority

EP 15178348 A 20150724

IPC 8 full level

F28F 1/14 (2006.01); B23K 1/00 (2006.01)

CPC (source: EP)

F28F 1/14 (2013.01); F28F 2275/025 (2013.01); F28F 2275/04 (2013.01); F28F 2275/14 (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 3121548 A1 20170125; EP 3121548 B1 20220706; EP 3121548 B8 20220914; DK 3121548 T3 20220926

DOCDB simple family (application)

EP 15178348 A 20150724; DK 15178348 T 20150724