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: 160 586 168 patent documents

This week's update (20/12/2024 12:00 CET):

203 607 new documents added

617 241 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 0894878 A3 20000419 - Flock cleaner

Title (en)

Flock cleaner

Title (de)

Flockenreiniger

Title (fr)

Nettoyeur de flocons

Publication

EP 0894878 A3 20000419 (DE)

Application

EP 98810613 A 19980702

Priority

CH 181997 A 19970730
CH 182097 A 19970730

Abstract (en)

[origin: EP0894878A2] The flocking cleaner has at least one separating unit over the material transport roller, and a system removes detached matter away from the roller.

IPC 1-7

D01G 23/02

IPC 8 full level

D01G 15/24 (2006.01); D01G 15/80 (2006.01); D01G 23/02 (2006.01)

CPC (source: EP US)

D01G 15/24 (2013.01 - EP US); D01G 15/805 (2013.01 - EP US); D01G 23/02 (2013.01 - EP US)

Citation (search report)

[Y] DE 4038838 A1 19910725 - TRUETZSCHLER & CO [DE]
[Y] WO 9012909 A1 19901101 - HOLLINGSWORTH GMBH [DE]
[PXDA] EP 0810309 A1 19971203 - RIETER AG MASCHF [CH]
[A] US 4472859 A 19840925 - ELLIOTT OLIN S [US], et al
[A] US 3854170 A 19741217 - CAUGHLIN J

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0894878 A2 19990203; EP 0894878 A3 20000419; US 6185787 B1 20010213

DOCDB simple family (application)

EP 98810613 A 19980702; US 12706898 A 19980730