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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 0257191 B1 19900418 - METHOD FOR INSTALLING HIGHWAY DRAINAGE MAT

Title (en)

METHOD FOR INSTALLING HIGHWAY DRAINAGE MAT

Publication

EP 0257191 B1 19900418 (EN)

Application

EP 87106006 A 19840329

Priority

US 48065683 A 19830331
US 49776483 A 19830524

Abstract (en)

[origin: EP0257191A2] Method for inserting an elongate bendable drainage mat having a rectangular cross section below the surface of the ground in a vertical orientation in an advancing trench segment.

IPC 1-7

E02B 11/02; E02F 5/10

IPC 8 full level

E02B 11/02 (2006.01); E02F 5/10 (2006.01)

CPC (source: EP)

E02F 5/06 (2013.01); E02F 5/101 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0257191 A2 19880302; EP 0257191 A3 19880316; EP 0257191 B1 19900418; CA 1213742 A 19861112; DE 3475808 D1 19890202; DE 3482000 D1 19900523; EP 0124499 A1 19841107; EP 0124499 B1 19881228

DOCDB simple family (application)

EP 87106006 A 19840329; CA 451020 A 19840330; DE 3475808 T 19840329; DE 3482000 T 19840329; EP 84870045 A 19840329