Positive displacement motor / progressive cavity pump

Details for Australian Patent Application No. 2007208087 (hide)

Owner National Oilwell Varco, L.P.

Inventors Podmore, Christopher S.

Agent Pizzeys

Pub. Number AU-A-2007208087

PCT Pub. Number WO2007/087552

Priority 60/762,599 26.01.06 US; 11/625,975 23.01.07 US

Filing date 24 January 2007

Wipo publication date 2 August 2007

International Classifications

F01C 1/10 (2006.01) Rotary-piston machines or engines

Event Publications

31 July 2008 PCT application entered the National Phase

  PCT publication WO2007/087552 Priority application(s): WO2007/087552

10 February 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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