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 3568345 B1 20210407 - METHOD FOR DETERMINING HYDRODYNAMIC COEFFICIENTS IN SUBMARINES

Title (en)

METHOD FOR DETERMINING HYDRODYNAMIC COEFFICIENTS IN SUBMARINES

Title (de)

VERFAHREN ZUR BESTIMMUNG VON HYDRODYNAMISCHEN KOEFFIZIENTEN BEI UNTERSEEBOOTEN

Title (fr)

PROCÉDÉ DE DÉTERMINATION DE COEFFICIENTS HYDRODYNAMIQUES SUR DES SOUS-MARINS

Publication

EP 3568345 B1 20210407 (DE)

Application

EP 17818505 A 20171213

Priority

DE 102017200468 A 20170112
EP 2017082510 W 20171213

Abstract (en)

[origin: WO2018130360A1] The present invention relates to a method for determining hydrodynamic coefficients in submarines by travels without acceleration.

IPC 8 full level

B63G 8/00 (2006.01)

CPC (source: EP US)

B63B 79/30 (2020.01 - EP US); B63G 8/00 (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)

DE 102017200468 A1 20180712; EP 3568345 A1 20191120; EP 3568345 B1 20210407; ES 2878052 T3 20211118; WO 2018130360 A1 20180719

DOCDB simple family (application)

DE 102017200468 A 20170112; EP 17818505 A 20171213; EP 2017082510 W 20171213; ES 17818505 T 20171213