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: 156 632 791 patent documents

This week's update (21/06/2024 12:00 CET):

121 162 new documents added

981 197 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 0132780 B1 19861105 - TRANSVERSE FLOW FAN WITH INCREASED EXIT FLOW VELOCITY IN THE REGION OF THE SIDE WALLS

Title (en)

TRANSVERSE FLOW FAN WITH INCREASED EXIT FLOW VELOCITY IN THE REGION OF THE SIDE WALLS

Publication

EP 0132780 B1 19861105 (DE)

Application

EP 84108482 A 19840718

Priority

DE 3326650 A 19830723

Abstract (en)

[origin: US4662818A] In a tangential blower having side walls near the air outlet provided with lugs projecting into the high pressure chamber.

IPC 1-7

F04D 17/04

IPC 8 full level

F04D 17/04 (2006.01)

CPC (source: EP US)

F04D 17/04 (2013.01 - EP US); F04D 29/444 (2013.01 - EP); F05D 2250/52 (2013.01 - EP); Y10S 415/914 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB IT SE

DOCDB simple family (publication)

EP 0132780 A1 19850213; EP 0132780 B1 19861105; AU 3079784 A 19850124; DE 3326650 A1 19850131; DE 3461213 D1 19861211; US 4662818 A 19870505

DOCDB simple family (application)

EP 84108482 A 19840718; AU 3079784 A 19840718; DE 3326650 A 19830723; DE 3461213 T 19840718; US 81947286 A 19860115