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: 157 484 516 patent documents

This week's update (26/07/2024 12:00 CET):

147 225 new documents added

921 612 documents amended

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EP 0040393 B1 19840808 - COMBUSTION AIR QUANTITY CONTROLLING APPARATUS FOR GAS CONSUMPTION INSTALLATIONS WITH INJECTOR-TYPE BURNERS

Title (en)

COMBUSTION AIR QUANTITY CONTROLLING APPARATUS FOR GAS CONSUMPTION INSTALLATIONS WITH INJECTOR-TYPE BURNERS

Publication

EP 0040393 B1 19840808 (DE)

Application

EP 81103668 A 19810513

Priority

DE 3018752 A 19800516

Abstract (en)

[origin: EP0040393A1] 1. A device for controlling combustion air flow in gas-fuelled appliances equipped with injector burners characterized in that flow restricting means producing stable laminar flow conditions are incorporated in the passages carrying the combustions air or the gas/air mixture.

IPC 1-7

F23D 13/40

IPC 8 full level

F23D 14/64 (2006.01)

CPC (source: EP)

F23D 14/64 (2013.01)

Designated contracting state (EPC)

AT BE CH FR GB IT LI NL

DOCDB simple family (publication)

EP 0040393 A1 19811125; EP 0040393 B1 19840808; AT E8932 T1 19840815; DE 3018752 A1 19811126

DOCDB simple family (application)

EP 81103668 A 19810513; AT 81103668 T 19810513; DE 3018752 A 19800516