Apparatus for gripping a tubular on a drilling rig

Details for Australian Patent Application No. 2010202601 (hide)

Owner Weatherford, Inc.

Inventors Odell II, Albert C.; Pietras, Bernd-Georg; Giroux, Richard Lee; Le, Tuong Thanh; Thompson, Gary; Heidecke, Karsten; Loenz, Joerg; Boutwell Jr., Doyle Frederic; Hayes, Michael

Agent Pizzeys

Pub. Number AU-A-2010202601

Parent 2006325824

Filing date 22 June 2010

Wipo publication date 15 July 2010

International Classifications

E21B 19/16 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 33/16 (2006.01) Sealing or packing boreholes or wells

Event Publications

8 July 2010 Complete Application Filed

15 July 2010 Application Open to Public Inspection

  Published as AU-A-2010202601

21 October 2010 Amendment Made

  The nature of the amendment is: Amend co-inventor name from Loenz, Joerg to Lorenz, Joerg

25 November 2010 Alteration of Name

  The name of the applicant has been altered to Weatherford/Lamb, Inc

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