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: 159 679 824 patent documents

This week's update (08/11/2024 12:00 CET):

164 112 new documents added

576 445 documents amended

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EP 1315884 A1 20030604 - WELL PRODUCTION APPARATUS AND METHOD

Title (en)

WELL PRODUCTION APPARATUS AND METHOD

Title (de)

VORRICHTUNG UND VERFAHREN ZUM ERZEUGEN EINES BOHRLOCHES

Title (fr)

APPAREIL ET PROCEDE POUR PUITS DE PRODUCTION

Publication

EP 1315884 A1 20030604 (EN)

Application

EP 01937892 A 20010529

Priority

CA 0100787 W 20010529
CA 2310477 A 20000601
US 58436800 A 20000601

IPC 1-7

E21B 43/12; F04C 13/00; F04C 11/00; E21B 17/18

IPC 8 full level

E21B 17/18 (2006.01); E21B 43/12 (2006.01); F04C 11/00 (2006.01); F04C 13/00 (2006.01)

Citation (search report)

See references of WO 0192684A1

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)

AU 6368101 A 20011211; EP 1315884 A1 20030604

DOCDB simple family (application)

AU 6368101 A 20010529; EP 01937892 A 20010529