Owner Silenceair International Pty Limited

Inventors Matthews, Christopher James

Agent Griffith Hack

Pub. Number AU-B-2005240673

PCT Pub. Number WO2005/108696

Priority 2004902509 07.05.04 AU; 2004902507 07.05.04 AU; 2004902508 07.05.04 AU

Filing date 9 May 2005

Wipo publication date 17 November 2005

Acceptance publication date 17 February 2011

E04B 1/84 (2006.01) Constructions in general - Sound-absorbing elements

E04B 1/38 (2006.01) Constructions in general - Connections for building structures in general

E04B 1/82 (2006.01) Constructions in general - specifically with respect to sound only

E04F 17/00 (2006.01) Vertical ducts

E04F 17/04 (2006.01) Vertical ducts

E06B 7/02 (2006.01) Special arrangements or measures in connection with doors or windows - for providing ventilation, e.g. through double windows

F24F 13/18 (2006.01) Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening - specially adapted for insertion in flat panels, e.g. in door or window-pane

F24F 13/20 (2006.01) Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

F24F 13/24 (2006.01) Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

G10K 11/16 (2006.01) Methods or devices for transmitting, conducting or directing sound in general

G10K 11/172 (2006.01) Methods or devices for transmitting, conducting or directing sound in general