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: 158 251 954 patent documents

This week's update (30/08/2024 12:00 CET):

170 720 new documents added

1 828 765 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 1033183 A3 20020529 - Cluster mill

Title (en)

Cluster mill

Title (de)

Vielwalzengerüst

Title (fr)

Laminoir à cylindres multiples

Publication

EP 1033183 A3 20020529 (DE)

Application

EP 99105914 A 19990324

Priority

DE 19910341 A 19990309
DE 19858021 A 19981215

Abstract (en)

[origin: EP1033183A2] Cluster mill has two working rolls (19-20) each connected to an intermediate roll and a support roll. The rolls (1-20) and the rolls (A-J) form a 30 roll system.

IPC 1-7

B21B 13/14

IPC 8 full level

B21B 13/14 (2006.01); B21B 13/00 (2006.01)

CPC (source: EP)

B21B 13/147 (2013.01); B21B 13/001 (2013.01)

Citation (search report)

[A] EP 0665067 A1 19950802 - FROEHLING JOSEF GMBH [DE]
[A] US 4197731 A 19800415 - TURLEY JOHN W [US], et al
[A] GUILLERAULT J P: "Les cages multicylindres", REVUE DE METALLURGIE, vol. 85, no. 2, February 1988 (1988-02-01), REVUE DE METALLURGIE, PARIS, FR, pages 141 - 152, XP002194477

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 1033183 A2 20000906; EP 1033183 A3 20020529

DOCDB simple family (application)

EP 99105914 A 19990324