High pressure ball valve seal assembly

Details for Australian Patent Application No. 2006348695 (hide)

Owner Baker Hughes Incorporated

Inventors Crow, Steve L.; Zachman, James R.; Hayter, Steven

Agent Freehills

Pub. Number AU-A-2006348695

PCT Pub. Number WO2008/039198

Priority 11/521,283 29.09.05 US

Filing date 28 September 2006

Wipo publication date 3 April 2008

International Classifications

F16K 5/20 (2006.01) Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary

F16K 5/06 (2006.01) Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary - with plugs having spherical surfaces

Event Publications

15 May 2008 Amendment Made

  The nature of the amendment is: Amend the priority details to read 11/521,283 29 Sep 2005 US 2007

22 May 2008 PCT application entered the National Phase

  PCT publication WO2008/039198 Priority application(s): WO2008/039198

25 March 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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