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: 156 978 933 patent documents

This week's update (05/07/2024 12:00 CET):

169 914 new documents added

2 331 667 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 0351082 A2 19900117 - Catalytic combustion.

Title (en)

Catalytic combustion.

Title (de)

Katalytische Verbrennung.

Title (fr)

Combustion catalytique.

Publication

EP 0351082 A2 19900117 (EN)

Application

EP 89306359 A 19890623

Priority

GB 8816441 A 19880711

Abstract (en)

A catalytic combustion system, e.g. in a gas turbine, has a combustion catalyst supported by a honeycomb structure (20) and an integral, or separate, catalyst-free honeycomb section (22) upstream of the combustion catalyst acting as, or supporting, a flame trap.

IPC 1-7

F23D 14/18; F23D 14/82

IPC 8 full level

F23C 13/00 (2006.01); F23D 11/40 (2006.01); F23D 14/18 (2006.01); F23D 14/82 (2006.01); F23R 3/40 (2006.01)

CPC (source: EP)

F23C 13/00 (2013.01); F23D 14/82 (2013.01); F23R 3/40 (2013.01); F05B 2230/60 (2013.01); F05B 2230/606 (2013.01)

Designated contracting state (EPC)

AT BE DE ES FR GB IT NL

DOCDB simple family (publication)

EP 0351082 A2 19900117; EP 0351082 A3 19901024; GB 8816441 D0 19880817; JP H0261407 A 19900301

DOCDB simple family (application)

EP 89306359 A 19890623; GB 8816441 A 19880711; JP 17891189 A 19890711