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 0099466 B1 19870916 - SUCTION APPARATUS FOR DIRT

Title (en)

SUCTION APPARATUS FOR DIRT

Publication

EP 0099466 B1 19870916 (DE)

Application

EP 83105740 A 19830611

Priority

DE 3225258 A 19820706

Abstract (en)

[origin: US4665581A] A vacuum cleaner apparatus having separate passages for outgoing air from the blower and for cooling air for the blower motor, and having a number of turns in each of said passages, each of said passages having a plurality of variations in cross-sectional area, the passages being provided with sound-absorbent linings.

IPC 1-7

A47L 9/00

IPC 8 full level

A47L 9/00 (2006.01)

CPC (source: EP US)

A47L 9/0081 (2013.01 - EP US); G10K 2210/112 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0099466 A1 19840201; EP 0099466 B1 19870916; EP 0099466 B2 19911218; AT E29654 T1 19871015; DE 3225258 A1 19840112; DE 3225258 C2 19851128; DE 3373618 D1 19871022; US 4665581 A 19870519; ZA 834398 B 19840328

DOCDB simple family (application)

EP 83105740 A 19830611; AT 83105740 T 19830611; DE 3225258 A 19820706; DE 3373618 T 19830611; US 81696786 A 19860108; ZA 834398 A 19830615