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: 157 484 516 patent documents

This week's update (26/07/2024 12:00 CET):

147 225 new documents added

921 612 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 0311777 B1 19901031 - DRIVING APPARATUS

Title (en)

DRIVING APPARATUS

Publication

EP 0311777 B1 19901031 (DE)

Application

EP 88113926 A 19880826

Priority

DE 3734998 A 19871016

Abstract (en)

1. A device for driving in pipes by means of a connecting piece (3) engaging in the rear end of a pipe and a rammer (2) engaging in the connecting piece, characterised in that the connecting piece comprises an expanding ring (3).

IPC 1-7

E02D 13/10

IPC 8 full level

E02D 13/00 (2006.01); E02D 13/10 (2006.01)

CPC (source: EP US)

E02D 13/10 (2013.01 - EP US)

Designated contracting state (EPC)

BE CH FR GB IT LI NL

DOCDB simple family (publication)

EP 0311777 A1 19890419; EP 0311777 B1 19901031; DE 3734998 A1 19890427; DE 3734998 C2 19930429; JP H01142124 A 19890605; US 5110237 A 19920505

DOCDB simple family (application)

EP 88113926 A 19880826; DE 3734998 A 19871016; JP 25926888 A 19881014; US 24582588 A 19880916