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: 159 823 134 patent documents

This week's update (15/11/2024 12:00 CET):

143 307 new documents added

1 003 170 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

Choose the data you want to see and download to focus on what you are interested in

Run data quality assessments to measure the risk of incomplete search results

EP 1711977 A1 20061018 - SOLID OXIDE FUEL CELL

Title (en)

SOLID OXIDE FUEL CELL

Title (de)

FESTOXID-BRENNSTOFFZELLE

Title (fr)

PILE A COMBUSTIBLE OXYDE SOLIDE

Publication

EP 1711977 A1 20061018 (EN)

Application

EP 03808290 A 20031230

Priority

EP 0314984 W 20031230
EP 0314999 W 20031224
EP 03808290 A 20031230

IPC 8 full level

H01M 8/12 (2006.01); H01M 4/86 (2006.01); H01M 4/88 (2006.01)

CPC (source: EP)

Y02E 60/50 (2013.01)

Citation (search report)

See references of WO 2005064732A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1711977 A1 20061018

DOCDB simple family (application)

EP 03808290 A 20031230