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 3929053 B1 20231004 - HOPPER UNLOADING HATCH, AND HOPPER WAGON COMPRISING SUCH A HATCH

Title (en)

HOPPER UNLOADING HATCH, AND HOPPER WAGON COMPRISING SUCH A HATCH

Title (de)

TRICHTER-ENTLADEKLAPPE UND TRICHTERWAGEN MIT EINER SOLCHEN KLAPPE

Title (fr)

TRAPPE DE DÉCHARGEMENT TRÉMIE, ET WAGON-TRÉMIE COMPORTANT UNE TELLE TRAPPE

Publication

EP 3929053 B1 20231004 (FR)

Application

EP 21174533 A 20210518

Priority

FR 2006121 A 20200611

IPC 8 full level

B61D 7/18 (2006.01); B61D 7/02 (2006.01)

CPC (source: EP)

B61D 7/02 (2013.01); B61D 7/18 (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 3929053 A1 20211229; EP 3929053 B1 20231004; ES 2969634 T3 20240521; FR 3111316 A1 20211217; FR 3111316 B1 20220722

DOCDB simple family (application)

EP 21174533 A 20210518; ES 21174533 T 20210518; FR 2006121 A 20200611