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 0122433 A1 19841024 - Residential fire alarm system.

Title (en)

Residential fire alarm system.

Title (de)

Feueralarmsystem für Wohnungen.

Title (fr)

Système d'alarme de feu pour appartements.

Publication

EP 0122433 A1 19841024 (EN)

Application

EP 84102466 A 19840308

Priority

JP 4711983 A 19830323

Abstract (en)

This invention relates to a fire alarm system in which sensitivities of detectors can be adjusted to the ambient conditions under which they are used, and which thus has a high sensitivity but less possibility of producing false alarm.

IPC 1-7

G08B 17/10

IPC 8 full level

G08B 17/00 (2006.01); G08B 17/11 (2006.01)

CPC (source: EP)

G08B 17/00 (2013.01); G08B 17/11 (2013.01)

Citation (search report)

[X] DE 2530848 A1 19760205 - NOHMI BOSAI KOGYO CO LTD
[Y] US 4313110 A 19820126 - SUBULAK THOMAS, et al
[X] DE 2454196 B2 19800221

Designated contracting state (EPC)

BE CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0122433 A1 19841024; JP S59173898 A 19841002

DOCDB simple family (application)

EP 84102466 A 19840308; JP 4711983 A 19830323