Low pressure stem gas seal

Details for Australian Patent Application No. 2005238872 (hide)

Owner Baker Hughes Incorporated

Inventors Thompson, Grant R.; Jackson, Aaron T.

Agent Freehills

Pub. Number AU-A-2005238872

PCT Pub. Number WO2005/106302

Priority 60/562,152 14.04.04 US

Filing date 7 April 2005

Wipo publication date 10 November 2005

International Classifications

F16K 41/14 (2006.01) Spindle sealings

F16K 43/00 (2006.01) Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means

Event Publications

9 March 2006 PCT application entered the National Phase

  PCT publication WO2005/106302 Priority application(s): WO2005/106302

4 November 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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