Wrenching tong

Details for Australian Patent Application No. 2007214275 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Carlsson, Andreas; Pietras, BerndGeorg; Liess, Martin; SchulzeBeckinghausen, Jorg Erich

Agent Pizzeys

Pub. Number AU-B-2007214275

Parent 2003212901

Filing date 28 August 2007

Wipo publication date 20 September 2007

Acceptance publication date 12 August 2010

International Classifications

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

Event Publications

13 September 2007 Complete Application Filed

20 September 2007 Application Open to Public Inspection

  Published as AU-B-2007214275

12 August 2010 Application Accepted

  Published as AU-B-2007214275

9 December 2010 Standard Patent Sealed

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