Braking devices and methods for use in drilling operations

Details for Australian Patent Application No. 2011253777 (hide)

Owner Longyear TM, Inc.

Inventors Drenth, Christopher L.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2011253777

Parent 2009240632

Filing date 1 December 2011

Wipo publication date 22 December 2011

Acceptance publication date 14 June 2012

International Classifications

E21B 23/01 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

Event Publications

22 December 2011 Application Open to Public Inspection

  Published as AU-B-2011253777

22 December 2011 Complete Application Filed

14 June 2012 Application Accepted

  Published as AU-B-2011253777

11 October 2012 Standard Patent Sealed

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