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: 160 856 381 patent documents

This week's update (10/01/2025 12:00 CET):

65 717 new documents added

1 162 571 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 0151705 A3 19860205 - SPIRAL FABRIC FOR PAPER MAKING MACHINES

Title (en)

SPIRAL FABRIC FOR PAPER MAKING MACHINES

Publication

EP 0151705 A3 19860205 (DE)

Application

EP 84113770 A 19841114

Priority

DE 3404544 A 19840209

Abstract (en)

[origin: EP0151705A2] 1. Helical screen of plastics helices for papermaking machines, characterized by a flock coating consisting of a fibre pile (5) applied to the upper side (4) of the screen.

IPC 1-7

D21F 1/00; D21F 7/08

IPC 8 full level

D21F 1/00 (2006.01); D21F 7/08 (2006.01)

CPC (source: EP)

D21F 1/0036 (2013.01); D21F 1/0072 (2013.01); D21F 7/083 (2013.01)

Citation (search report)

[X] CH 610273 A5 19790412 - MUNZINGER CONRAD & CIE AG [CH]
[X] FR 2494319 A1 19820521 - FEUTRES PAPETERIES TISSUS INDL [FR]
[A] FR 2494233 A1 19820521 - FEUTRES PAPETERIES TISSUS INDL [FR]

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0151705 A2 19850821; EP 0151705 A3 19860205; EP 0151705 B1 19880629; AT E35434 T1 19880715; DE 3404544 A1 19850814; DE 3472427 D1 19880804

DOCDB simple family (application)

EP 84113770 A 19841114; AT 84113770 T 19841114; DE 3404544 A 19840209; DE 3472427 T 19841114