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 1030990 A1 20000830 - RADIATION ACTUATED VALVE

Title (en)

RADIATION ACTUATED VALVE

Title (de)

DURCH STRAHLUNG GESTEUERTES VENTIL

Title (fr)

SOUPAPE ACTIONNEE PAR RAYONNEMENT

Publication

EP 1030990 A1 20000830 (EN)

Application

EP 98955248 A 19981118

Priority

AP 9800007 W 19981118
ZA 977420 A 19971119

Abstract (en)

[origin: WO9927285A1] A valve (1) is provided having a body with a flow path (5) therethrough. A membrane prevents fluid flow through the flow path. Radiation means, in one embodiment, a heat providing element (6) abuts the membrane and is operable to weaken or destroy at least part thereof.

IPC 1-7

F16K 31/00

IPC 8 full level

F16K 17/40 (2006.01); F16K 31/00 (2006.01)

IPC 8 main group level

F16K (2006.01)

CPC (source: EP)

F16K 13/04 (2013.01)

Citation (search report)

See references of WO 9927285A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 9927285 A1 19990603; AU 1217999 A 19990615; EP 1030990 A1 20000830; JP 2001524651 A 20011204; ZA 9810488 B 19990520

DOCDB simple family (application)

AP 9800007 W 19981118; AU 1217999 A 19981118; EP 98955248 A 19981118; JP 2000522391 A 19981118; ZA 9810488 A 19981117