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: 156 511 693 patent documents

This week's update (14/06/2024 12:00 CET):

200 241 new documents added

1 026 356 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 0501209 A3 19930210 - COMBUSTION DEVICE FOR HEATING OIL OR THE LIKE

Title (en)

COMBUSTION DEVICE FOR HEATING OIL OR THE LIKE

Publication

EP 0501209 A3 19930210 (DE)

Application

EP 92102118 A 19920208

Priority

DE 4105936 A 19910226

Abstract (en)

[origin: EP0501209A2] The invention relates to a combustion device for heating oil and the like, in which, for the purpose of reducing the NOx gas content, passage openings are arranged in the wall of the baffle plate and the wall has swirl webs directed into the interior of the housing. <IMAGE>

IPC 1-7

F23D 11/40

IPC 8 full level

F23D 11/40 (2006.01)

CPC (source: EP)

F23D 11/406 (2013.01)

Citation (search report)

[AD] DE 2809415 A1 19790913 - HERRMANN GMBH & CO
[AD] DE 9003176 U1 19900607
[A] DE 8915398 U1 19900613

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0501209 A2 19920902; EP 0501209 A3 19930210; EP 0501209 B1 19960124; AT E133489 T1 19960215; DE 4105936 A1 19920903; DE 4105936 C2 19941103; DE 59205135 D1 19960307

DOCDB simple family (application)

EP 92102118 A 19920208; AT 92102118 T 19920208; DE 4105936 A 19910226; DE 59205135 T 19920208