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: 159 515 718 patent documents

This week's update (01/11/2024 12:00 CET):

154 531 new documents added

1 078 520 documents amended

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EP 1771637 A2 20070411 - EXPANDABLE TUBULAR

Title (en)

EXPANDABLE TUBULAR

Title (de)

AUFWEITBARER ROHR-LINER

Title (fr)

STRUCTURE TUBULAIRE EXTENSIBLE

Publication

EP 1771637 A2 20070411 (EN)

Application

EP 05770306 A 20050629

Priority

US 2005023391 W 20050629
US 58537004 P 20040702

Abstract (en)

[origin: WO2006014333A2] An expandable tubular member.

IPC 8 full level

E21B 23/00 (2006.01)

CPC (source: EP)

E21B 43/103 (2013.01); E21B 43/106 (2013.01)

Citation (search report)

See references of WO 2006014333A2

Designated contracting state (EPC)

DE FR

Designated extension state (EPC)

AL BA HR LV MK YU

DOCDB simple family (publication)

WO 2006014333 A2 20060209; WO 2006014333 A3 20090409; EP 1771637 A2 20070411; JP 2008509300 A 20080327

DOCDB simple family (application)

US 2005023391 W 20050629; EP 05770306 A 20050629; JP 2007520389 A 20050629