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: 155 519 367 patent documents

This week's update (03/05/2024 12:00 CET):

123 361 new documents added

1 354 331 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 0922859 A3 20000517 - Moineau pump

Title (en)

Moineau pump

Title (de)

Exzenterschneckenpumpe

Title (fr)

Pompe Moineau

Publication

EP 0922859 A3 20000517 (DE)

Application

EP 98121332 A 19981110

Priority

DE 19754818 A 19971210

Abstract (en)

[origin: EP0922859A2] An elastomer is injected into a mold (1,2) so that it only has contact with the helical shell (5) but does not have form an adherent joint with it. The shell is preferably an elongated helical tube without surface treatment.

IPC 1-7

F04C 2/107

IPC 8 full level

F04C 2/107 (2006.01)

CPC (source: EP US)

F04C 2/1075 (2013.01 - EP US); Y10T 29/49242 (2015.01 - EP US)

Citation (search report)

[Y] DE 4006339 C1 19910801
[Y] GB 1181193 A 19700211 - SEEBERGER K G MASCHINEN UND GE [DE], et al
[A] EP 0353553 A2 19900207 - GUMMI JAEGER KG GMBH & CIE [DE]

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 0922859 A2 19990616; EP 0922859 A3 20000517; CA 2255376 A1 19990610; DE 19754818 A1 19990617; US 6158988 A 20001212

DOCDB simple family (application)

EP 98121332 A 19981110; CA 2255376 A 19981209; DE 19754818 A 19971210; US 20881198 A 19981209