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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: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 1721310 A1 20061115 - ACOUSTIC ABSORBER

Title (en)

ACOUSTIC ABSORBER

Title (de)

AKUSTISCHER ABSORBER

Title (fr)

AMORTISSEUR SONORE

Publication

EP 1721310 A1 20061115 (DE)

Application

EP 05729827 A 20050211

Priority

DE 2005000240 W 20050211
DE 102004009080 A 20040225

Abstract (en)

[origin: WO2005083676A1] Disclosed is an acoustic absorber (10) comprising a core (11) that is made of a material which is provided with hollow spaces (12). Said core (11) encompasses at least one coating (15, 16) which is provided with bores (17) that extend all the way into the core (11).

IPC 8 full level

G10K 11/178 (2006.01); G10K 11/172 (2006.01)

CPC (source: EP)

G10K 11/172 (2013.01)

Citation (search report)

See references of WO 2005083676A1

Designated contracting state (EPC)

FR GB IT

DOCDB simple family (publication)

WO 2005083676 A1 20050909; DE 102004009080 A1 20050922; DE 102004009080 B4 20060622; EP 1721310 A1 20061115

DOCDB simple family (application)

DE 2005000240 W 20050211; DE 102004009080 A 20040225; EP 05729827 A 20050211