Coated spring and method of making the same

Details for Australian Patent Application No. 2010256551 (hide)

Owner Baker Hughes Incorporated

Inventors Goodson, James Edward; Bailey, William M.

Agent Freehills

Pub. Number AU-A-2010256551

PCT Pub. Number WO2010/141722

Priority 12/478,724 04.06.09 US

Filing date 3 June 2010

Wipo publication date 9 December 2010

International Classifications

C22C 19/05 (2006.01) Alloys based on nickel or cobalt - with chromium

C22C 19/07 (2006.01) Alloys based on nickel or cobalt - based on cobalt

E21B 34/14 (2006.01) Valve arrangements for boreholes or wells

F16K 1/18 (2006.01) Constructional types - with pivoted discs or flaps

Event Publications

15 December 2011 PCT application entered the National Phase

  PCT publication WO2010/141722 Priority application(s): WO2010/141722

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