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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

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219 431 new documents added

1 247 852 documents amended

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EP 4200165 A1 20230628 - SUBWOOFER

Title (en)

SUBWOOFER

Title (de)

SUBWOOFER

Title (fr)

CAISSON DE BASSE

Publication

EP 4200165 A1 20230628 (FR)

Application

EP 21739370 A 20210705

Priority

FR 2008545 A 20200818
EP 2021068474 W 20210705

Abstract (en)

[origin: WO2022037837A1] The invention relates to a low frequency subwoofer, characterized in that said subwoofer comprises at least two loudspeakers and a vent, in particular of laminar type, said subwoofer having at least two vent inlet mouths and a vent outlet mouth.

IPC 8 full level

B60R 11/02 (2006.01); B60R 11/00 (2006.01); H04R 1/22 (2006.01); H04R 1/28 (2006.01)

CPC (source: EP)

B60R 11/0217 (2013.01); H04R 1/2826 (2013.01); B60R 2011/0007 (2013.01); H04R 2499/13 (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

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2022037837 A1 20220224; EP 4200165 A1 20230628; FR 3113475 A1 20220225; FR 3113475 B1 20221104

DOCDB simple family (application)

EP 2021068474 W 20210705; EP 21739370 A 20210705; FR 2008545 A 20200818