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: 155 263 406 patent documents

This week's update (19/04/2024 12:00 CET):

215 613 new documents added

1 342 057 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 0693545 B1 20000112 - Wood gas producer

Title (en)

Wood gas producer

Title (de)

Holzgaserzeuger

Title (fr)

Gazogène à bois

Publication

EP 0693545 B1 20000112 (DE)

Application

EP 95111130 A 19950715

Priority

DE 9411856 U 19940722

Abstract (en)

[origin: EP0693545A1] A lower ring mantle and the gasifying chamber outer well form an annular chamber from which the gas is drawn off. Air is drawn in above the nozzle ring. The gas ring channel (11) runs through nearly 360 degrees and is located within the nozzle ring (3). The ring channel has an inlet (13) from the ring chamber (10), and its outlet (14) is connected to an outlet channel (17). <IMAGE>

IPC 1-7

C10J 3/26

IPC 8 full level

C10J 3/26 (2006.01)

CPC (source: EP)

C10J 3/26 (2013.01); C10J 3/42 (2013.01); C10J 2300/092 (2013.01)

Designated contracting state (EPC)

AT BE CH DE ES FR LI NL

DOCDB simple family (publication)

EP 0693545 A1 19960124; EP 0693545 B1 20000112; AT E188727 T1 20000115; DE 59507594 D1 20000217; DE 9411856 U1 19940922

DOCDB simple family (application)

EP 95111130 A 19950715; AT 95111130 T 19950715; DE 59507594 T 19950715; DE 9411856 U 19940722