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: 155 395 919 patent documents

This week's update (26/04/2024 12:00 CET):

132 468 new documents added

1 248 785 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 0323834 A3 19900214 - SEALLESS PUMP

Title (en)

SEALLESS PUMP

Publication

EP 0323834 A3 19900214 (DE)

Application

EP 89100066 A 19890104

Priority

DE 3800336 A 19880108

Abstract (en)

[origin: EP0323834A2] Sealless pump on which a drive spindle in a housing is drive-connected to an electric motor and at least one, preferably two, meshing working spindle(s) are supported, preferably for conveying low-viscosity fluids, the rotor of the electric motor enclosing the external cylindrical pump housing and being supported at one end by connection with the drive spindle. <IMAGE>

IPC 1-7

F04C 2/16; F04C 15/00

IPC 8 full level

F04C 2/16 (2006.01); F04C 11/00 (2006.01); F04C 15/00 (2006.01)

CPC (source: EP)

F04C 2/165 (2013.01); F04C 11/008 (2013.01); F04C 15/008 (2013.01)

Citation (search report)

US 3263619 A 19660802 - MATELENA JOHN J
US 2924181 A 19600209 - SENNET MORGAN B
FR 1061407 A 19540412
US 1849222 A 19320315 - CANTON ALLEN A

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0323834 A2 19890712; EP 0323834 A3 19900214; DE 3800336 A1 19890727; DE 3800336 C2 19900531

DOCDB simple family (application)

EP 89100066 A 19890104; DE 3800336 A 19880108