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: 157 117 910 patent documents

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

139 301 new documents added

1 340 825 documents amended

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EP 3842621 B1 20220706 - STEAM GENERATING METHOD, STEAM GENERATOR AND USE OF A ROOTS BLOWER

Title (en)

STEAM GENERATING METHOD, STEAM GENERATOR AND USE OF A ROOTS BLOWER

Title (de)

VERFAHREN ZUR DAMPFERZEUGUNG, DAMPFERZEUGER UND VERWENDUNG EINES WÄLZKOLBENGEBLÄSES

Title (fr)

PROCÉDÉ DE PRODUCTION DE VAPEUR, PRODUCTEUR DE VAPEUR ET UTILISATION D'UN VENTILATEUR À PISTON ROTATIF

Publication

EP 3842621 B1 20220706 (DE)

Application

EP 20217204 A 20201224

Priority

DE 102019135820 A 20191227

IPC 8 full level

F01K 25/06 (2006.01)

CPC (source: EP)

F01K 25/06 (2013.01)

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 3842621 A1 20210630; EP 3842621 B1 20220706; DE 102019135820 A1 20210701; ES 2928410 T3 20221117; PL 3842621 T3 20221114

DOCDB simple family (application)

EP 20217204 A 20201224; DE 102019135820 A 20191227; ES 20217204 T 20201224; PL 20217204 T 20201224