A drilling apparatus having in-line extending wings and driving method thereof

Details for Australian Patent Application No. 2005280737 (hide)

Owner Lim, B.

Inventors Lim, Byung-duk

Agent Baldwins

Pub. Number AU-B-2005280737

PCT Pub. Number WO2006/025713

Priority 10-2004-0070565 03.09.04 KR

Filing date 2 September 2005

Wipo publication date 9 March 2006

Acceptance publication date 27 January 2011

International Classifications

E21B 1/30 (2006.01) Methods or apparatus for drilling

Event Publications

19 April 2007 PCT application entered the National Phase

  PCT publication WO2006/025713 Priority application(s): WO2006/025713

27 January 2011 Application Accepted

  Published as AU-B-2005280737

26 May 2011 Standard Patent Sealed

15 March 2012 Assignment Registered

  Lim, Byung-duk The patent has been assigned to Everdigm Rock Tools Group

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