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Current content: 156 511 693 patent documents

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200 241 new documents added

1 026 356 documents amended

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EP 0648926 B1 19970730 - Sound dampening open construction element

Title (en)

Sound dampening open construction element

Title (de)

Offenes Bauteil zur Geräuschdämmung

Title (fr)

Elément ouvert de construction pour l'insonorisation

Publication

EP 0648926 B1 19970730 (DE)

Application

EP 94114179 A 19940909

Priority

DE 4334815 A 19931013

Abstract (en)

[origin: EP0648926A1] Sound insulation element of open construction, especially for use in vehicle construction, for example oil sump and cover plate, with at least two metal layers arranged one over another.

IPC 1-7

F02F 7/00; F01M 11/00; F02B 77/13

IPC 8 full level

F01M 11/00 (2006.01); F02B 77/13 (2006.01); F02F 7/00 (2006.01)

CPC (source: EP)

F01M 11/0004 (2013.01); F02B 77/13 (2013.01); F02F 7/006 (2013.01)

Designated contracting state (EPC)

BE DE ES FR GB IT NL SE

DOCDB simple family (publication)

EP 0648926 A1 19950419; EP 0648926 B1 19970730; DE 4334815 A1 19950420; DE 4334815 C2 19960530; DE 59403538 D1 19970904; ES 2105451 T3 19971016

DOCDB simple family (application)

EP 94114179 A 19940909; DE 4334815 A 19931013; DE 59403538 T 19940909; ES 94114179 T 19940909