Methods and apparatus for unloading a screw compressor

Details for Australian Patent Application No. 2003228186 (hide)

Owner Sandvik Intellectual Property AB

Inventors Leppanen, Jarmo

Agent Griffith Hack

Pub. Number AU-B-2003228186

PCT Number PCT/SE03/00743

PCT Pub. Number WO2003/098048

Priority 10/147,883 20.05.02 US

Filing date 8 May 2003

Wipo publication date 2 December 2003

Acceptance publication date 7 May 2009

International Classifications

F04C 18/16 (2006.01) Pumps specially adapted for elastic fluids - with helical teeth, e.g. chevron-shaped, screw type

F04B 23/08 (2006.01) Pumping installations or systems

F04B 23/12 (2006.01) Pumping installations or systems

F04C 28/06 (2006.01) Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

Event Publications

14 August 2003 Complete Application Filed

  Priority application(s): 10/147,883 20.05.02 US

29 January 2004 Application Open to Public Inspection

  Published as AU-B-2003228186

30 June 2005 Assignment before Grant

  Sandvik AB The application has been assigned to Sandvik Intellectual Property HB

2 February 2006 Assignment before Grant

  Sandvik Intellectual Property HB The application has been assigned to Sandvik Intellectual Property AB

7 May 2009 Application Accepted

  Published as AU-B-2003228186

3 September 2009 Standard Patent Sealed

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