Pumping from two levels of a pool of production fluid, and one way valve therefore

Details for Australian Patent Application No. 2005202841 (hide)

Owner 1075878 Alberta Ltd.

Inventors Tokarek, Wade

Agent A J Park

Pub. Number AU-B-2005202841

Filing date 29 June 2005

Wipo publication date 18 January 2007

Acceptance publication date 24 March 2011

International Classifications

F04B 47/02 (2006.01) Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps

E21B 34/06 (2006.01) Valve arrangements for boreholes or wells

Event Publications

14 July 2005 Complete Application Filed

18 January 2007 Application Open to Public Inspection

  Published as AU-B-2005202841

18 January 2007 Corrigenda

  Complete Applications Filed - Name Index Under the name Alberta Ltd., Application No. 2005202841, under INID (71) correct the name to read 1075878 Alberta Ltd.

24 March 2011 Application Accepted

  Published as AU-B-2005202841

9 June 2011 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 01 Apr 2011. Address for service in Australia - A J PARK Level 11 60 Marcus Clarke Street Canberra ACT 2601

6 October 2011 Standard Patent Sealed

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