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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 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 0280944 B1 19900509 - ACTUATOR

Title (en)

ACTUATOR

Publication

EP 0280944 B1 19900509 (DE)

Application

EP 88102041 A 19880212

Priority

DE 8703310 U 19870305

Abstract (en)

[origin: EP0280944A1] 1. Working cylinder with a pressure-loaded piston guided in a cylinder tube (15) and having a piston rod (17) which is connected by a yoke (20) to two guide rods (21, 22) extending in parallel and on both sides of the cylinder tube and guided in bearings, and with a pressure-loaded braking device (24) for the stop-braking and positioning of the piston rod, characterized in that the bearings are formed in two mutually parallel cylinders (11, 12) which are connected to one another via a transverse web (13) to form an integral H-shaped guide unit (10).

IPC 1-7

F15B 15/02

IPC 8 full level

F15B 15/02 (2006.01)

CPC (source: EP)

F15B 15/02 (2013.01)

Designated contracting state (EPC)

CH DE FR IT LI

DOCDB simple family (publication)

EP 0280944 A1 19880907; EP 0280944 B1 19900509; DE 3860135 D1 19900613; DE 8703310 U1 19880630

DOCDB simple family (application)

EP 88102041 A 19880212; DE 3860135 T 19880212; DE 8703310 U 19870305