Method and apparatus for reducing noise in a roots-type blower

Details for Australian Patent Application No. 2004322654 (hide)

Owner CareFusion 203, Inc.

Inventors Williams, Malcolm; Devries, Douglas F.

Agent Davies Collison Cave

Pub. Number AU-B-2004322654

PCT Pub. Number WO2006/022787

Priority 10/912,747 04.08.04 US

Filing date 10 November 2004

Wipo publication date 2 March 2006

Acceptance publication date 10 November 2011

International Classifications

F04C 18/12 (2006.01) Pumps specially adapted for elastic fluids - of other than internal-axis type

A61M 16/00 (2006.01) Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration

A62B 7/00 (2006.01) Respirators

F01C 1/18 (2006.01) Rotary-piston machines or engines

F04C 29/00 (2006.01) Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups

Event Publications

1 March 2007 PCT application entered the National Phase

  PCT publication WO2006/022787 Priority application(s): WO2006/022787

2 April 2009 Alteration of Name

  The name of the applicant has been altered to Cardinal Health 203, Inc. 2005

22 April 2010 Alteration of Name

  The name of the applicant has been altered to CareFusion 203, Inc. 2005

10 November 2011 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 21 Oct 2011. Address for service in Australia - Davies Collison Cave 1 Nicholson Street Melbourne VIC 3000 2005

10 November 2011 Application Accepted

  Published as AU-B-2004322654

1 March 2012 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 21 Oct 2011 2005

8 March 2012 Standard Patent Sealed

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