Global Patent Index - EP 1319109 A1

EP 1319109 A1 2003-06-18 - SOUND ATTENUATOR

Title (en)

SOUND ATTENUATOR

Title (de)

SCHALLDÄMPFER

Title (fr)

ATTENUATEUR DE SON

Publication

EP 1319109 A1 (EN)

Application

EP 01967895 A

Priority

  • SE 0101983 W
  • SE 0003350 A

Abstract (en)

[origin: WO0227118A1] A ventilating system for transport of air in environments with requirements concerning sound comprising a plurality of channel sections and a sound-attenuating device comprising both active and passive sound attenuation. The passive sound attenuation comprises a reactive part and a resistive part, and the active, the reactive and the resistive attenuation are adapted to attend to attenuation within separate frequency ranges.

IPC 1-7 (main, further and additional classification)

E04F 17/00; F24F 13/24; G10K 11/178

IPC 8 full level (invention and additional information)

F24F 13/24 (2006.01); G10K 11/178 (2006.01)

CPC (invention and additional information)

F24F 13/24 (2013.01); G10K 11/178 (2013.01); F24F 2013/242 (2013.01); F24F 2013/247 (2013.01); G10K 2210/104 (2013.01); G10K 2210/112 (2013.01); G10K 2210/3224 (2013.01); G10K 2210/509 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0227118 A1 20020404; AU 8817801 A 20020408; EP 1319109 A1 20030618; SE 0003350 D0 20000918

INPADOC legal status


2009-07-29 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20090203

2008-10-22 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20080922

2003-11-05 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: FLAEKT WOODS AB

2003-06-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20030321

2003-06-18 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2003-06-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: AL LT LV MK RO SI