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: 156 809 018 patent documents

This week's update (28/06/2024 12:00 CET):

176 501 new documents added

1 938 899 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 1146176 B1 20050615 - Reservoir structure

Title (en)

Reservoir structure

Title (de)

Behälteranordnung

Title (fr)

Structure-réservoir

Publication

EP 1146176 B1 20050615 (FR)

Application

EP 01400905 A 20010409

Priority

FR 0004611 A 20000411

Abstract (en)

[origin: EP1146176A1] A reservoir is lined with a geotextile material (28) and filled with hollow concrete blocks (26) in random positions. The upper surface layer, e.g. a road surface (20) can be porous or have side drains to channel rainwater into the reservoir.

IPC 1-7

E03F 1/00; E02B 11/00

IPC 8 full level

E02B 11/00 (2006.01); E03F 1/00 (2006.01)

CPC (source: EP)

E02B 11/00 (2013.01); E03F 1/00 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1146176 A1 20011017; EP 1146176 B1 20050615; AT E298019 T1 20050715; DE 60111446 D1 20050721; DE 60111446 T2 20060518; ES 2243417 T3 20051201; FR 2807458 A1 20011012; FR 2807458 B1 20020705

DOCDB simple family (application)

EP 01400905 A 20010409; AT 01400905 T 20010409; DE 60111446 T 20010409; ES 01400905 T 20010409; FR 0004611 A 20000411