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 0897546 A1 19990224 - THREE-DIMENSIONAL SEISMIC ACQUISITION

Title (en)

THREE-DIMENSIONAL SEISMIC ACQUISITION

Title (de)

DREIDIMENSIONALE SEISMISCHE DATENERFASSUNG

Title (fr)

ACQUISITION SISMIQUE TRIDIMENSIONNELLE

Publication

EP 0897546 A1 19990224 (EN)

Application

EP 97917967 A 19970507

Priority

CA 9700315 W 19970507
CA 2176058 A 19960508

IPC 1-7

G01V 1/00

IPC 8 full level

G01V 1/00 (2006.01)

CPC (source: EP US)

G01V 1/003 (2013.01 - EP US)

Citation (search report)

See references of WO 9742525A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

OA 10919 A 20011026; AU 2629597 A 19971126; AU 717876 B2 20000406; EP 0897546 A1 19990224

DOCDB simple family (application)

OA 9800217 A 19981109; AU 2629597 A 19970507; EP 97917967 A 19970507