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: 159 515 718 patent documents

This week's update (01/11/2024 12:00 CET):

154 531 new documents added

1 078 520 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 0588312 B1 19961127 - Boiler

Title (en)

Boiler

Title (de)

Heizkessel

Title (fr)

Chaudière

Publication

EP 0588312 B1 19961127 (DE)

Application

EP 93114811 A 19930915

Priority

AT 183392 A 19920915

Abstract (en)

[origin: EP0588312A1] A boiler (1) with a cylindrical combustion chamber (4) and a cylindrical boiler chamber (2) for the heating water. The boiler chamber (2) describes a cylinder of vertical longitudinal axis (3), and the longitudinal axis (5) of the combustion chamber (4), which reaches into the boiler chamber (2), is aligned approximately horizontally. The flues (10) extend rectilinearly and obliquely from the front region of the combustion chamber (4) to the middle of the upper end wall (11) of the boiler chamber (2). <IMAGE>

IPC 1-7

F24H 1/28

IPC 8 full level

F24H 1/28 (2006.01)

CPC (source: EP)

F24H 1/287 (2013.01)

Designated contracting state (EPC)

AT CH DE FR IT LI

DOCDB simple family (publication)

EP 0588312 A1 19940323; EP 0588312 B1 19961127; AT 400628 B 19960226; AT A183392 A 19950615; AT E145721 T1 19961215; DE 59304594 D1 19970109

DOCDB simple family (application)

EP 93114811 A 19930915; AT 183392 A 19920915; AT 93114811 T 19930915; DE 59304594 T 19930915