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: 158 383 361 patent documents

This week's update (06/09/2024 12:00 CET):

131 418 new documents added

1 347 785 documents amended

GPI key values

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

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EP 3410451 B1 20211117 - SHIELD RING FOR A TRANSFORMER COIL

Title (en)

SHIELD RING FOR A TRANSFORMER COIL

Title (de)

SCHIRMRING FÜR EINE TRANSFORMATORSPULE

Title (fr)

ANNEAU DE PROTECTION POUR UNE BOBINE DE TRANSFORMATEUR

Publication

EP 3410451 B1 20211117 (DE)

Application

EP 18170346 A 20180502

Priority

DE 102017208980 A 20170529
DE 102017212026 A 20170713

IPC 8 full level

H01F 27/28 (2006.01); H01F 27/36 (2006.01)

CPC (source: EP US)

H01F 27/2885 (2013.01 - EP); H01F 27/36 (2013.01 - EP); H01F 27/363 (2020.08 - EP US)

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 3410451 A1 20181205; EP 3410451 B1 20211117

DOCDB simple family (application)

EP 18170346 A 20180502