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: 158 967 801 patent documents

This week's update (04/10/2024 12:00 CET):

150 730 new documents added

999 816 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

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EP 4321727 B1 20240918 - TANGENTIAL COMBUSTION ENGINE

Title (en)

TANGENTIAL COMBUSTION ENGINE

Title (de)

TANGENTIAL-VERBRENNUNGSMOTOR

Title (fr)

MOTEUR À COMBUSTION INTERNE TANGENTIELLE

Publication

EP 4321727 B1 20240918 (DE)

Application

EP 22189682 A 20220810

Priority

EP 22189682 A 20220810

IPC 8 full level

F01B 5/00 (2006.01); F01C 1/073 (2006.01); F01C 9/00 (2006.01)

CPC (source: EP)

F01B 5/00 (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 4321727 A1 20240214; EP 4321727 B1 20240918

DOCDB simple family (application)

EP 22189682 A 20220810