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 0311794 B1 19920506 - PACKING GRID FOR WATER COOLING TOWERS

Title (en)

PACKING GRID FOR WATER COOLING TOWERS

Publication

EP 0311794 B1 19920506 (EN)

Application

EP 88114856 A 19880912

Priority

IT 2223987 A 19871013

Abstract (en)

[origin: EP0311794A1] A packing grid for a water cooling tower, having a reticular structure in which the modular element is of hexagonal configuration, the reticular formation being of honeycomb structure and being provided with reinforcement strips.

IPC 1-7

F28F 25/08

IPC 8 full level

F28F 25/08 (2006.01)

CPC (source: EP)

F28F 25/085 (2013.01)

Citation (examination)

Heat exchanger design handbook, Hemisphere Publishing Corporation, 1983, Section 3.12.2

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0311794 A1 19890419; EP 0311794 B1 19920506; AT E75846 T1 19920515; DE 3870795 D1 19920611; ES 2031199 T3 19921201; IT 1222883 B 19900912; IT 8722239 A0 19871013

DOCDB simple family (application)

EP 88114856 A 19880912; AT 88114856 T 19880912; DE 3870795 T 19880912; ES 88114856 T 19880912; IT 2223987 A 19871013