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: 155 263 406 patent documents

This week's update (19/04/2024 12:00 CET):

215 613 new documents added

1 342 057 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 0988469 A1 20000329 - ADJUSTABLE LENGTH FLUID SPRING

Title (en)

ADJUSTABLE LENGTH FLUID SPRING

Title (de)

LÄNGENVERSTELLBARE FLUIDFEDER

Title (fr)

AMORTISSEUR UTILISANT UN FLUIDE COMME AGENT D'AMORTISSEMENT ET REGLABLE EN LONGUEUR

Publication

EP 0988469 A1 20000329 (DE)

Application

EP 98919019 A 19980515

Priority

CH 9800204 W 19980515
CH 84998 A 19980414

Abstract (en)

[origin: WO9953216A1] The inventive fluid spring has a cylindrical housing (1) in whose end sections end pieces (12, 13) are introduced. A hollow space (20) is configured in one of these end pieces (12), a control device (30) being located in said hollow space (20). The control device comprises two sealing devices (31, 32) and an actuating rod (33) which connects them. The planes of the sealing devices (31, 32) do not run parallel to each other.

IPC 1-7

F16F 9/56

IPC 8 full level

F16F 9/02 (2006.01)

CPC (source: EP US)

F16F 9/0263 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE ES FR GB IT LI

DOCDB simple family (publication)

WO 9953216 A1 19991021; EP 0988469 A1 20000329; US 6334607 B1 20020101

DOCDB simple family (application)

CH 9800204 W 19980515; EP 98919019 A 19980515; US 44553200 A 20000308