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 1226406 A1 20020731 - FLOW METER

Title (en)

FLOW METER

Title (de)

DURCHFLUSSMESSER

Title (fr)

DEBITMETRE

Publication

EP 1226406 A1 20020731 (EN)

Application

EP 00962698 A 20000922

Priority

GB 0003621 W 20000922
GB 9922983 A 19990929
GB 9925715 A 19991030

Abstract (en)

[origin: WO0123844A1] A device for use as a flow meter in fluid-carrying pipes, having a pair of pressure chambers (16, 22) each linked to a respective aperture (14, 20) in the body, and a pressure-sensing means (24) to determine the pressure differential between the two chambers.

IPC 1-7

G01F 1/34

IPC 8 full level

G01F 1/34 (2006.01); G01F 1/38 (2006.01); G01F 1/40 (2006.01)

CPC (source: EP)

G01F 1/34 (2013.01); G01F 1/383 (2013.01); G01F 1/40 (2013.01)

Citation (search report)

See references of WO 0123844A1

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 0123844 A1 20010405; AU 7434500 A 20010430; EP 1226406 A1 20020731

DOCDB simple family (application)

GB 0003621 W 20000922; AU 7434500 A 20000922; EP 00962698 A 20000922