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: 157 117 910 patent documents

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

139 301 new documents added

1 340 825 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 0808186 A1 19971126 - VALVE APPARATUS

Title (en)

VALVE APPARATUS

Title (de)

VENTILVORRICHTUNG

Title (fr)

APPAREIL A VALVE

Publication

EP 0808186 A1 19971126 (EN)

Application

EP 95910278 A 19950214

Priority

US 9501953 W 19950214
US 19575794 A 19940214
US 19592694 A 19940214

Abstract (en)

[origin: WO9521641A1] The valve (10) comprises a valve body (12) having three apertures (14), (16), (18) and a bypass passageway (20). Furthermore, the valve (10) has a movable valve member (24) with truncated end portions (24''), (24''') that move linearly within the valve body (12).

IPC 1-7

A61M 5/00; F16K 11/02; G05D 7/00

IPC 8 full level

A61M 1/00 (2006.01); F16K 11/044 (2006.01); F16K 17/04 (2006.01)

CPC (source: EP US)

A61M 1/63 (2021.05 - EP); A61M 1/772 (2021.05 - EP US); F16K 11/044 (2013.01 - EP); F16K 17/0473 (2013.01 - EP US)

Designated contracting state (EPC)

BE CH DE FR GB IE IT LI NL SE

DOCDB simple family (publication)

WO 9521641 A1 19950817; AU 1845295 A 19950829; EP 0808186 A1 19971126; EP 0808186 A4 19980415

DOCDB simple family (application)

US 9501953 W 19950214; AU 1845295 A 19950214; EP 95910278 A 19950214