Screw type liquid ring pump

Details for Australian Patent Application No. 2004236568 (hide)

Owner Jets AS

Inventors Ovsthus, Eimund; Ovsthus, Aksel

Agent Freehills

Pub. Number AU-B-2004236568

PCT Pub. Number WO2004/099619

Priority 20032052 07.05.03 NO

Filing date 5 May 2004

Wipo publication date 18 November 2004

Acceptance publication date 15 December 2011

International Classifications

F04C 19/00 (2006.01) Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids

F04C 27/00 (2006.01) Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids

Event Publications

3 November 2005 PCT application entered the National Phase

  PCT publication WO2004/099619 Priority application(s): WO2004/099619

15 December 2011 Application Accepted

  Published as AU-B-2004236568

2 February 2012 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 05 Dec 2011. Address for service in Australia - Freehills Patent & Trade Mark Attorneys Level 43 101 Collins Street Melbourne VIC 3000

24 May 2012 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 05 Dec 2011 2005

31 May 2012 Standard Patent Sealed

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