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 0086544 A2 19830824 - Bottom sampler.

Title (en)

Bottom sampler.

Title (de)

Vorrichtung zum Entnehmen von Gewässerbodenproben.

Title (fr)

Dispositif de prélèvement d'échantillons de fonds d'eau.

Publication

EP 0086544 A2 19830824 (EN)

Application

EP 83200236 A 19830216

Priority

BE 892170 A 19820217

Abstract (en)

Bottom sampler characterized in that it features a bucket (1) provided with two slide rods (6) mounted on both sides of the bucket, a number of holes (4) drilled through the sides of the bucket, a construction comprising a tongue (8) with suspension chains (7, 11), and a pair of drag chains (3) with a tow rope (15).

IPC 1-7

E02D 1/04

IPC 8 full level

E02D 1/04 (2006.01); E02F 3/60 (2006.01); E21B 49/02 (2006.01)

CPC (source: EP)

E02D 1/04 (2013.01); E02F 3/60 (2013.01); E21B 49/025 (2013.01)

Designated contracting state (EPC)

DE FR NL SE

DOCDB simple family (publication)

EP 0086544 A2 19830824; EP 0086544 A3 19860611

DOCDB simple family (application)

EP 83200236 A 19830216