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: 157 484 516 patent documents

This week's update (26/07/2024 12:00 CET):

147 225 new documents added

921 612 documents amended

GPI key values

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

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EP 3502453 B1 20210421 - PISTON FOR A RECIPROCATING PISTON COMBUSTION ENGINE

Title (en)

PISTON FOR A RECIPROCATING PISTON COMBUSTION ENGINE

Title (de)

KOLBEN FÜR EINE HUBKOLBEN-VERBRENNUNGSKRAFTMASCHINE

Title (fr)

PISTON POUR UN MOTEUR À COMBUSTION INTERNE ALTERNATIF

Publication

EP 3502453 B1 20210421 (DE)

Application

EP 18209823 A 20181203

Priority

DE 102017130961 A 20171221

IPC 8 full level

F02F 3/22 (2006.01); F01P 3/10 (2006.01); F01P 7/14 (2006.01); F02F 3/18 (2006.01)

CPC (source: EP)

F01P 3/10 (2013.01); F02F 3/18 (2013.01); F02F 3/22 (2013.01); F02F 3/225 (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 3502453 A1 20190626; EP 3502453 B1 20210421; DE 102017130961 A1 20190627

DOCDB simple family (application)

EP 18209823 A 20181203; DE 102017130961 A 20171221