Coupling assembly and protective ring therefor

Details for Australian Patent Application No. 2007301689 (hide)

Owner National Oilwell Varco, L.P.

Inventors McLaughlin, Thomas Kilpatrick

Agent Shelston IP

Pub. Number AU-A-2007301689

PCT Pub. Number WO2008/038034

Priority 11/528,702 27.09.06 US; 11/540,939 29.09.06 US

Filing date 21 March 2007

Wipo publication date 3 April 2008

International Classifications

F16L 15/04 (2006.01) Screw-threaded joints

F16L 58/18 (2006.01) Protection of pipes or pipe fittings against corrosion or incrustation

Event Publications

30 April 2009 PCT application entered the National Phase

  PCT publication WO2008/038034 Priority application(s): WO2008/038034

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