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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 documents amended

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EP 3438455 B1 20210512 - DIAPHRAGM PUMP AND METHOD OF TOUCH-FREE ACTUATION OF THE MEMBRANES OF MULTIPLE WORK CHAMBERS OF A DIAPHRAGM PUMP

Title (en)

DIAPHRAGM PUMP AND METHOD OF TOUCH-FREE ACTUATION OF THE MEMBRANES OF MULTIPLE WORK CHAMBERS OF A DIAPHRAGM PUMP

Title (de)

MEMBRANPUMPE UND VERFAHREN ZUR BERÜHRUNGSLOSEN BETÄTIGUNG DER MEMBRANEN VON MEHREREN ARBEITSRÄUMEN EINER MEMBRANPUMPE

Title (fr)

POMPE À MEMBRANE ET PROCÉDÉ D'ACTIONNEMENT SANS CONTACT DES MEMBRANES D'UNE PLURALITÉ DE CHAMBRES DE TRAVAIL D'UNE POMPE À MEMBRANE

Publication

EP 3438455 B1 20210512 (DE)

Application

EP 18185958 A 20180727

Priority

DE 102017007170 A 20170801
DE 102017128271 A 20171129

IPC 8 full level

F04B 43/14 (2006.01); F04B 43/04 (2006.01); F04B 45/047 (2006.01)

CPC (source: EP US)

F04B 43/04 (2013.01 - EP US); F04B 43/14 (2013.01 - EP US); F04B 45/047 (2013.01 - EP US); F04B 45/10 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3438455 A2 20190206; EP 3438455 A3 20190417; EP 3438455 B1 20210512

DOCDB simple family (application)

EP 18185958 A 20180727